{"title":"Mono Amplifiers","description":null,"products":[{"product_id":"gravity-audio-wz-8000-1d-warzone-8000w-true-power-car-amplifier-class-d-amp-1-2-4-ohm-stable-with-remote-sub-control-with-1-year-full-replacement-warranty-bundle","title":"Gravity Audio WZ-8000.1D Warzone Class D Mono Amplifier","description":"\u003cp\u003eThe Gravity Audio WZ-8000.1D Warzone is a mono Class D car amplifier designed for subwoofer-focused systems. It provides a high-output amplification stage for drivers building or upgrading a dedicated bass section. Its 1-ohm stability gives installers flexibility when configuring compatible subwoofer voice coils and parallel wiring.\u003c\/p\u003e\u003cp\u003eRated RMS output is 3306 watts at 1 ohm, 2380 watts at 2 ohms, and 1428 watts at 4 ohms. That range lets the amplifier support different impedance goals without changing the core amplifier. A remote level control is included for convenient adjustment of subwoofer level from the front of the vehicle.\u003c\/p\u003e\u003cp\u003eThe WZ-8000.1D uses Class D amplification and a MOSFET pulse-width-modulated power supply. This design is intended to provide efficient power conversion in a subwoofer amplifier application. Its full-range MOSFET circuit design, adjustable filtering, and bass-boost controls provide setup flexibility for a matched bass system.\u003c\/p\u003e\u003cp\u003eFor reliability, Gravity specifies a double-sided FR-4 circuit board and high-quality surface-mount components. The amplifier also incorporates a proprietary heat-dissipation design to help manage operating temperature. Four protection functions monitor high voltage, low voltage, over-current, and high-temperature conditions.\u003c\/p\u003e\u003cp\u003eThis Warzone amplifier is suited to systems that need a dedicated mono amplifier for compatible car subwoofers. Use its adjustable low-pass, high-pass, and bass-boost controls as part of a careful gain and crossover setup. Match the final subwoofer wiring load to one of the amplifier's supported 1-, 2-, or 4-ohm operating loads.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Efficient single-channel amplification for a dedicated subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3306W RMS at 1 Ohm:\u003c\/strong\u003e Supports high-output bass systems with a compatible load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\/4-Ohm Stability:\u003c\/strong\u003e Accommodates multiple compatible subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Power Supply:\u003c\/strong\u003e Provides switched power conversion for Class D operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Monitors voltage, current, and temperature operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WZ-8000.1D uses a compact chassis, double-sided FR-4 PCB construction, surface-mount components, and a MOSFET circuit design. Its heat-dissipation design is intended to support thermal management during operation. The amplifier is built as a mono platform for use in a car audio subwoofer system.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and use wiring, fusing, and power-system components appropriate for the installation. Wire only compatible subwoofer combinations that present a final 1-, 2-, or 4-ohm load, then set gain and crossover controls carefully. The included bass knob and cable can be installed within driver reach for on-the-go subwoofer-level adjustment.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913583820991,"sku":"650076329415","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_7ac064ea-486e-48c1-8029-c515815c6779.png?v=1734472026"},{"product_id":"gravity-6000-1d-class-d-car-audio-amplifier-3000-watts-true-rms-1-ohm-max-power-at-6000w-1-2-4-ohm-stable-digital-monoblock-mosfet-power-supply-great-for-subwoofers","title":"WARZONE WZ6000-1D Class D Monoblock Car Amplifier","description":"\u003cp\u003eThe WARZONE WZ6000-1D is a Class D monoblock car amplifier designed to add dedicated low-frequency power to a subwoofer system. Its single-channel layout is intended for bass-focused installations rather than full-range speakers. The amplifier supports 1-, 2-, and 4-ohm subwoofer loads, giving installers flexibility when matching compatible subwoofers and wiring configurations.\u003c\/p\u003e\u003cp\u003eFor shoppers building a high-output subwoofer system, the WZ6000-1D is rated at 1800 watts RMS at 1 ohm, 1150 watts RMS at 2 ohms, and 650 watts RMS at 4 ohms. This lets the same amplifier accommodate a range of subwoofer configurations while retaining a dedicated mono amplifier format. Match the final system impedance and subwoofer RMS handling carefully before installation.\u003c\/p\u003e\u003cp\u003eThe amplifier uses Class D operation and a MOSFET pulse-width-modulated power supply to support efficient bass amplification in a compact chassis. Its specified frequency response extends from 8 Hz to 180 Hz, covering the range commonly used for subwoofer reproduction. A variable low-pass filter and variable bass boost provide adjustment for blending the subwoofer section with the rest of the vehicle audio system.\u003c\/p\u003e\u003cp\u003eBuilt-in protection circuitry monitors for high voltage, low voltage, overcurrent, and high-temperature conditions. These safeguards are designed to help protect the amplifier during abnormal operating conditions. A remote bass control is included, allowing convenient adjustment of subwoofer output from the listening position.\u003c\/p\u003e\u003cp\u003eThe WZ6000-1D is suited to an aftermarket system using a compatible source unit, signal connection, subwoofer enclosure, and properly selected power wiring. High- and low-level inputs allow it to work with a variety of source-signal arrangements. Its compact 18.8-inch-long chassis can be considered for many vehicle installations when adequate mounting space and ventilation are available.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Class D Design:\u003c\/strong\u003e Provides a dedicated single-channel platform for subwoofer amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Output:\u003c\/strong\u003e Supports properly wired subwoofer loads down to 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1800W RMS at 1 Ohm:\u003c\/strong\u003e Delivers its highest listed continuous output at a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Helps tailor upper bass cutoff to the rest of the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Control:\u003c\/strong\u003e Allows convenient adjustment of subwoofer level from the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Monitors voltage, current, and temperature-related fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WZ6000-1D uses a compact digital monoblock form factor with a MOSFET PWM power supply and heat-dissipation design. Its 18.8 x 8.8 x 2.5-inch enclosure is intended for surface mounting. The amplifier has high- and low-level inputs, variable low-pass crossover control, variable bass boost, and a subsonic filter for system adjustment.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a dry, ventilated location with room for wiring and airflow. Use subwoofers wired to a final 1-, 2-, or 4-ohm load, and set gain, low-pass, subsonic, and bass-boost controls conservatively during setup. Power wiring, grounding, fusing, enclosure selection, and final tuning should be matched to the vehicle and subwoofer system by a qualified installer when needed.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913610690751,"sku":"704129642034","price":269.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_cb7c9dc0-5e08-4e4f-809a-1991892a80df.png?v=1734472500"},{"product_id":"gravity-wz-5000-1d","title":"Gravity Audio WARZONE WZ5000.1D Monoblock Class D Amplifier","description":"\u003cp\u003eThe Gravity Audio WARZONE WZ5000.1D is a single-channel Class D car amplifier made for powering a subwoofer system. Its monoblock layout concentrates output into one bass channel, making it suitable for systems that need a dedicated amplifier rather than relying on head-unit power. It supports 1-, 2-, and 4-ohm speaker loads for flexibility when planning a subwoofer configuration.\u003c\/p\u003e\u003cp\u003eThis amplifier is aimed at car-audio builders who want adjustable low-frequency output in a compact chassis. Published performance controls include a variable low-pass filter, subsonic filter, and variable bass boost, allowing the amplifier to be tailored to the subwoofer and enclosure being used. A wired bass knob is included for convenient level adjustment from the listening position.\u003c\/p\u003e\u003cp\u003eThe WZ5000.1D uses a Class D, MOSFET pulse-width-modulated power supply design. Class D amplification is commonly used in dedicated bass systems because it provides efficient power conversion in a relatively compact footprint. The published frequency response spans 8 Hz to 180 Hz, covering the low-frequency range used by subwoofer systems.\u003c\/p\u003e\u003cp\u003eFor source integration, the amplifier provides both high-level and low-level inputs. This lets it work with a range of factory or aftermarket audio systems, provided the installation is correctly wired and the signal level is set appropriately. Its variable low-pass crossover can be adjusted from 40 Hz to 180 Hz to limit the amplifier to bass-focused frequencies.\u003c\/p\u003e\u003cp\u003eThe published RMS ratings are 1,500 watts at 1 ohm, 900 watts at 2 ohms, and 600 watts at 4 ohms, while marketplace listings also identify a 5,000-watt maximum-power rating at 1 ohm. Match subwoofers by their continuous RMS capability and final wired impedance rather than maximum-power figures. The amplifier also lists high-voltage, low-voltage, over-current, and high-temperature protection circuitry.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Class D Design:\u003c\/strong\u003e Dedicated one-channel amplification for a subwoofer-focused system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Operation:\u003c\/strong\u003e Supports 1-, 2-, and 4-ohm final speaker loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts bass-pass frequency from 40 Hz to 180 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Subsonic Filter:\u003c\/strong\u003e Filters very low frequencies from 0 Hz to 50 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Knob:\u003c\/strong\u003e Provides convenient adjustment of bass output from the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Helps accommodate factory and aftermarket source units.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe published specification identifies a compact surface-mount chassis measuring approximately 13.8 inches long, 8.3 inches wide, and 2.5 inches high. Its listed Class D architecture and MOSFET PWM power supply are intended for an efficient dedicated-bass amplifier layout. Chassis material is not specified in the published product information.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure, ventilated surface and keep wiring clear of moving parts, heat sources, and sharp edges. Set the final subwoofer impedance no lower than 1 ohm, use either the high-level or low-level input appropriate to the source unit, and adjust gain, low-pass, subsonic, and bass-boost controls during setup. Professional installation is recommended when vehicle wiring, load calculation, or system tuning is unfamiliar.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913724756159,"sku":"Gravity WZ-5000.1D","price":159.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/1_520fe07b-8ea2-48b4-9afd-be5110e48b4e.jpg?v=1734733809"},{"product_id":"gravity-3000-1d-class-d-car-audio-amplifier-1500-watts-true-rms-1-ohm-max-power-at-3000w-1-2-4-ohm-stable-digital-monoblock-mosfet-power-supply-great-for-subwoofers","title":"WARZONE WZ3000-1D Class D Monoblock Amplifier","description":"\u003cp\u003eThe WARZONE WZ3000-1D is a compact Class D monoblock amplifier designed to add dedicated power for a vehicle subwoofer system. It is intended for installations that need strong low-frequency output without using a multi-channel amplifier. Its 1\/2\/4-ohm stability provides flexibility when matching compatible subwoofer wiring configurations.\u003c\/p\u003e\u003cp\u003eThis amplifier is rated for 1,500 watts RMS at 1 ohm, 900 watts RMS at 2 ohms, and 600 watts RMS at 4 ohms. Those stepped output ratings help installers select an appropriate subwoofer load and set gain responsibly. As a mono amplifier, it is purpose-built for bass reproduction rather than full-range speaker amplification.\u003c\/p\u003e\u003cp\u003eClass D amplification and a MOSFET pulse-width-modulated power supply support efficient operation in a vehicle electrical system. The amplifier also uses a heat-dissipation design intended to manage temperature during sustained playback. A variable low-pass crossover, subsonic filter, and bass-boost control provide adjustment for a subwoofer-focused system.\u003c\/p\u003e\u003cp\u003eHigh-level and low-level inputs allow the amplifier to work with a range of source-unit configurations. The included bass knob provides convenient level adjustment from the listening position. This makes the amplifier suitable for a system where the subwoofer level may need adjustment for different recordings or listening preferences.\u003c\/p\u003e\u003cp\u003eThe WZ3000-1D is a practical choice for a dedicated bass upgrade when paired with compatible subwoofers, correct wiring, and an appropriately fused power installation. Its protection circuitry monitors high voltage, low voltage, over-current, and high-temperature conditions. Confirm the final speaker load is not below 1 ohm before installation or operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Class D Design:\u003c\/strong\u003e Supplies dedicated amplification for a subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm RMS Rating:\u003c\/strong\u003e Delivers up to 1,500 watts RMS at 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Load Stability:\u003c\/strong\u003e Supports compatible 1-, 2-, and 4-ohm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Supply:\u003c\/strong\u003e Provides efficient power conversion for vehicle audio use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Bass Controls:\u003c\/strong\u003e Includes low-pass, subsonic, and bass-boost adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Bass Knob:\u003c\/strong\u003e Enables accessible subwoofer-level adjustment from the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier uses a compact surface-mount chassis measuring 13.8 by 8.3 by 2.5 inches. Its Class D circuit design, MOSFET pulse-width-modulated power supply, and integrated thermal-management approach are intended for a dedicated low-frequency amplifier application. Four-way protection circuitry is included to address voltage, current, and temperature-related operating conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure, ventilated surface and leave room around it for airflow. Use high-level or low-level inputs as appropriate for the source unit, set the low-pass and subsonic filters for the installed enclosure and subwoofer, and match the final wired impedance to the amplifier's 1\/2\/4-ohm capability. A proper fused power connection, solid ground, compatible subwoofer wiring, and careful gain setup are required for a complete installation.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913733079231,"sku":"704129642027","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_1_c1d3e43d-3e30-42d6-8b77-d5d78988141f.png?v=1734474520"},{"product_id":"gravity-4000-1d-class-d-car-audio-amplifier-1800-watts-true-rms-1-ohm-max-power-at-4000w-1-2-4-ohm-stable-digital-monoblock-mosfet-power-supply-great-for-subwoofers","title":"Gravity WZ4000-1D Class D Monoblock Amplifier","description":"\u003cp\u003eThe Gravity Warzone WZ4000-1D is a Class D monoblock car audio amplifier designed to power subwoofer systems. It provides a single amplified channel with stable operation at 1, 2, or 4 ohms. This makes it suitable for builders who need a dedicated bass amplifier for a custom vehicle audio upgrade.\u003c\/p\u003e\u003cp\u003eRated output is 1800 watts RMS at 1 ohm, 1150 watts RMS at 2 ohms, and 650 watts RMS at 4 ohms. Its 4000-watt maximum-power rating is paired with a compact amplifier chassis. The selectable impedance capability gives installers flexibility when matching compatible subwoofer wiring configurations.\u003c\/p\u003e\u003cp\u003eThe WZ4000-1D is intended for systems where low-frequency output is the priority. A variable low-pass crossover helps focus the amplifier's output on bass frequencies, while the adjustable bass boost allows low-end tuning. A supplied bass knob provides a convenient way to adjust bass level from the listening position.\u003c\/p\u003e\u003cp\u003eGravity uses a MOSFET pulse-width-modulated power supply in this amplifier. The Class D design and heat-dissipation approach are intended to support efficient operation in a vehicle electrical system. A variable subsonic filter is also provided to help tailor the low-frequency operating range for the connected subwoofer system.\u003c\/p\u003e\u003cp\u003eHigh- and low-level inputs support integration with a variety of source-unit signal types. The amplifier includes protection for high voltage, low voltage, over-current, and high-temperature conditions. Its compact 11.3-inch-long footprint can be useful when planning a dedicated subwoofer amplifier installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Class D Design:\u003c\/strong\u003e Delivers dedicated single-channel power for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Output:\u003c\/strong\u003e Supports compatible 1-, 2-, and 4-ohm subwoofer loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1800W RMS at 1 Ohm:\u003c\/strong\u003e Provides its highest listed continuous output at 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Power Supply:\u003c\/strong\u003e Supports efficient power conversion for vehicle audio use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Bass Controls:\u003c\/strong\u003e Includes adjustable low-pass, bass boost, and subsonic settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Monitors voltage, current, and temperature-related operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WZ4000-1D uses a compact chassis measuring 11.3 by 8.3 by 2.5 inches. Its design combines a Class D monoblock layout, MOSFET PWM power supply, and heat-dissipation engineering. The control set includes adjustable crossover, bass boost, and subsonic-filter functions for system tuning.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a secure location with ventilation and use wiring appropriate for the amplifier and vehicle electrical system. Match the final subwoofer wiring load to one of the supported 1-, 2-, or 4-ohm configurations, and set gain and crossover controls during system calibration. High-level or low-level inputs can be selected based on the available signal from the audio system.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913776627903,"sku":"Gravity WZ-4000.1D","price":137.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_00c1e91b-7ccb-4fce-9b29-34d6810f28a7.png?v=1734474185"},{"product_id":"car-amplifiers-gravity-audio-wz1000-4-warzone-1000w-4-channels-class-a-b-amp-2-4-ohm-stable-with-remote-sub-control","title":"Gravity Audio WZ1000.4 Warzone 4-Channel Class A\/B Amplifier","description":"\u003cp\u003eThe Gravity Audio WZ1000.4 Warzone is a four-channel car amplifier designed to add external amplification to compatible vehicle audio systems. Its Class A\/B design supports a broad range of speaker-upgrade layouts while operating at 2- or 4-ohm loads. It is intended for listeners who need independent amplification for front and rear speakers or other four-channel system configurations.\u003c\/p\u003e\u003cp\u003eWith a published maximum output of 1000 watts, the WZ1000.4 is built to provide added power beyond a typical head unit's internal amplifier. The amplifier covers a 20 Hz to 20 kHz frequency response range for full-range audio applications. Its signal-to-noise ratio is rated above 80 dB, while total harmonic distortion is specified below 0.5%.\u003c\/p\u003e\u003cp\u003eAdjustable crossover controls help tailor the amplifier to the speakers and system role selected during installation. The variable high-pass filter adjusts from 50 Hz to 1.2 kHz, while the low-pass filter adjusts from 50 Hz to 500 Hz. A variable bass boost control provides adjustment from 0 to 12 dB.\u003c\/p\u003e\u003cp\u003eThe WZ1000.4 includes both high-level and low-level input options, allowing it to work with many factory or aftermarket source-unit setups. Low-level RCA connections can be used with a head unit that has preamp outputs, while high-level inputs offer an option for systems using speaker-level outputs. A remote bass control is included for accessible bass-level adjustment from the cabin.\u003c\/p\u003e\u003cp\u003eIts compact published dimensions of 8.8 by 8.3 by 2.5 inches can simplify placement in many vehicle installations. The amplifier can serve as the main power stage for a four-speaker upgrade or as part of a more customized system using its crossover controls. Correct impedance matching, secure power wiring, and careful gain setup are important for dependable operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class A\/B Design:\u003c\/strong\u003e Provides four amplified channels for speaker-system upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2- and 4-Ohm Stability:\u003c\/strong\u003e Supports compatible speaker loads at either published impedance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000W Maximum Power:\u003c\/strong\u003e Supplies added amplification for multi-speaker vehicle audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Crossovers:\u003c\/strong\u003e HPF and LPF adjustments help match amplifier output to speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost Control:\u003c\/strong\u003e Offers adjustable low-frequency emphasis from 0 to 12 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Accommodates speaker-level or RCA signal connections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WZ1000.4 uses a compact amplifier format measuring 223.5 mm long, 211 mm wide, and 64.5 mm high. Its published control set includes gain and crossover adjustments, high- and low-level inputs, speaker outputs, power connections, and a remote bass-control connection. Specific chassis material and fuse information are not published in the confirmed product specifications.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a dry location with ventilation and room for wiring connections. Use speakers wired within the amplifier's stated 2- or 4-ohm operating range, and select high-level or RCA low-level inputs to suit the source unit. Set crossover points and gain conservatively during setup, then use the included remote bass control for convenient level adjustments.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913875259583,"sku":"704129641990","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71AJbAyxrzL.jpg?v=1734733596"},{"product_id":"gravity-audio-e7500-1d-warzone-7500w-true-rms-car-amplifier-class-d-amp-1-2-4-ohm-stable-with-remote-sub-control-with-1-year-full-replacement-warranty-bundle","title":"Gravity Audio E7500.1D Warzone 7500W Mono Amplifier","description":"\u003cp\u003eThe Gravity Audio E7500.1D Warzone is a Class D mono amplifier designed to power a dedicated subwoofer system. It delivers rated RMS output at 1-, 2-, or 4-ohm loads, giving installers flexibility when matching compatible subwoofers and wiring configurations. This is a purpose-built bass amplifier rather than a multi-channel amplifier for full-range speakers.\u003c\/p\u003e\u003cp\u003eAt its rated 1-ohm load, the E7500.1D is specified for 7,500 watts RMS. Its lower-impedance capability makes it suited to high-output subwoofer installations that require substantial continuous power. Proper system design, speaker matching, and electrical-system capacity are important for using an amplifier of this output level.\u003c\/p\u003e\u003cp\u003eThe amplifier uses Class D operation and a MOSFET pulse-width-modulated power supply. This design approach is intended to provide efficient power conversion in a compact monoblock chassis. A proprietary heat-dissipation design is also specified to support operation during demanding playback.\u003c\/p\u003e\u003cp\u003eA remote bass-control knob is included, allowing the subwoofer output level to be adjusted from the listening position. This can be useful for tailoring bass level between different recordings or listening preferences without changing the main system settings. The control is intended for level adjustment, not as a replacement for correct gain setup.\u003c\/p\u003e\u003cp\u003eThe E7500.1D fits into a system built around compatible subwoofers wired to a final load of 1, 2, or 4 ohms. Its protection circuitry monitors high voltage, low voltage, overcurrent, and high-temperature conditions. For safe installation, use appropriately sized power wiring, a correctly rated fuse near the battery, solid grounding, and professional setup where needed.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7,500W RMS at 1 Ohm:\u003c\/strong\u003e Provides high continuous output for compatible subwoofer systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Monoblock Design:\u003c\/strong\u003e Focuses amplifier power on a single bass channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\/4-Ohm Operation:\u003c\/strong\u003e Supports several compatible subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Power Supply:\u003c\/strong\u003e Supports efficient conversion of vehicle electrical power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Knob Included:\u003c\/strong\u003e Lets the listener adjust bass output level remotely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Helps protect against voltage, current, and thermal faults.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe E7500.1D uses a compact chassis format for a high-output mono amplifier. Its specified engineering includes a MOSFET pulse-width-modulated power supply and a proprietary heat-dissipation design. The manufacturer also specifies protection for high voltage, low voltage, overcurrent, and high-temperature conditions.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a securely mounted, ventilated location and wire compatible subwoofers only to a final 1-, 2-, or 4-ohm load. The vehicle electrical system, charging system, power cable, ground cable, fuse protection, and speaker wiring must be selected for the amplifier's intended output. Have gain, crossover, and remote-level settings configured carefully to match the connected equipment.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913898688703,"sku":"0783501100096","price":436.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_136a862f-11fe-43b6-a0e5-b90d52b7f871.png?v=1734733252"},{"product_id":"gravity-audio-e5000-1d-warzone-5000w-true-rms-car-amplifier-class-d-amp-1-2-4-ohm-stable-with-remote-sub-control-with-1-year-full-replacement-warranty-bundle","title":"WARZONE E5000.1D Class D Mono Car Amplifier","description":"\u003cp\u003eThe WARZONE E5000.1D is a mono Class D car amplifier designed to power a dedicated subwoofer system. It is rated for 5,000 watts RMS at 1 ohm, with additional RMS ratings at 2 and 4 ohms. This makes it suited to systems where a single high-output bass channel is needed.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for shoppers building or upgrading a subwoofer-focused car audio system. Its 1-ohm stability supports compatible low-impedance subwoofer wiring configurations, while its mono layout keeps the installation focused on bass reproduction. A remote bass-level control is included for convenient adjustment from the driver’s seat.\u003c\/p\u003e\u003cp\u003eThe E5000.1D uses Class D amplification and a MOSFET pulse-width-modulated power supply. This design is intended to provide substantial subwoofer power while using a compact amplifier chassis. Its full-range MOSFET circuit design and double-sided FR-4 circuit board are listed as part of its construction.\u003c\/p\u003e\u003cp\u003eFor setup flexibility, the amplifier includes adjustable low-pass and high-pass filters, plus adjustable bass-boost frequency and level controls. These adjustments help tailor the amplifier’s output to the subwoofer system and vehicle acoustics. Correct gain and crossover setup remains important for matching the amplifier to the connected speakers.\u003c\/p\u003e\u003cp\u003eProtection circuitry monitors high voltage, low voltage, overcurrent, and high-temperature conditions. The compact chassis can help simplify placement in custom audio installations, but a high-power amplifier should be installed with appropriately matched wiring, fusing, electrical capacity, and subwoofers. The package includes the amplifier, a bass knob with cable, and a manual.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Provides one dedicated amplification channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Operation:\u003c\/strong\u003e Supports compatible low-impedance subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5,000W RMS at 1 Ohm:\u003c\/strong\u003e Delivers its highest listed continuous output at a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Knob:\u003c\/strong\u003e Lets the driver adjust bass level from the listening position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Filters:\u003c\/strong\u003e Includes adjustable low-pass and high-pass filter controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Monitors voltage, current, and thermal operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe E5000.1D is built around a compact chassis with a double-sided FR-4 PCB, surface-mount components, and a full-range MOSFET circuit design. Its MOSFET PWM power supply and heat-dissipation design are intended to support sustained use. The amplifier is listed with overload, thermal, and low-voltage protection functions.\u003c\/p\u003e\u003cp\u003eInstall the E5000.1D as a dedicated subwoofer amplifier using a load configuration within its stated 1-, 2-, or 4-ohm operating ratings. Mount it securely in a ventilated location, route the remote bass-control cable to an accessible position, and set gain, crossover, and bass-boost controls carefully. Because of its output capability, the vehicle’s wiring, fusing, grounding, charging system, and subwoofers should be selected to suit the installation.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43913914876095,"sku":"Gravity E5000.1D","price":286.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61yRxDaKmTL.jpg?v=1734476627"},{"product_id":"gravity-wc3500-1d","title":"Warzone WC3500-1D Class D Mono Subwoofer Amplifier","description":"\u003cp\u003eThe Warzone WC3500-1D is a mono Class D car amplifier designed for powering subwoofer systems. It provides a dedicated low-frequency amplification channel for a vehicle audio upgrade focused on bass reproduction. Its published output ratings support system designs using 1-ohm, 2-ohm, or 4-ohm final speaker loads.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for installers and enthusiasts building a subwoofer stage rather than a full-range multi-speaker system. It is rated at 3500 watts RMS at 1 ohm, 1700 watts RMS at 2 ohms, and 900 watts RMS at 4 ohms. Matching the connected subwoofer configuration to one of these rated loads is important for proper system planning.\u003c\/p\u003e\u003cp\u003eThe WC3500-1D has a published frequency-response range of 20Hz to 180Hz, keeping its operating range centered on bass duties. A variable low-pass filter is provided from 50Hz to 220Hz to help blend the subwoofer with front and rear speakers. Its subsonic filter adjusts from 0Hz to 50Hz for systems that need control below the intended bass range.\u003c\/p\u003e\u003cp\u003eFor tonal adjustment, the amplifier includes selectable bass-boost settings of 0dB, 6dB, or 12dB. The listed signal-to-noise ratio is 92dB. A remote gain controller is included for accessible adjustment of the amplifier's gain level from the vehicle cabin.\u003c\/p\u003e\u003cp\u003eWith dimensions of 535 x 150 x 50mm, the WC3500-1D uses a long, low-profile format that can suit installations with limited vertical clearance. It can serve as the bass-amplifier portion of a system using a separate amplifier or powered head unit for full-range speakers. Careful electrical-system, wiring, enclosure, and subwoofer-load planning should be completed before installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Provides one dedicated amplifier channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm RMS Rating:\u003c\/strong\u003e Rated for 3500 watts RMS at a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts from 50Hz to 220Hz for subwoofer integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjusts from 0Hz to 50Hz for low-frequency control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Bass Boost:\u003c\/strong\u003e Offers 0dB, 6dB, and 12dB settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Gain Controller:\u003c\/strong\u003e Allows convenient gain adjustment from the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WC3500-1D is specified in a compact 535 x 150 x 50mm amplifier format. Published product information identifies its Class D mono layout and low-profile dimensions, but does not specify the chassis material. Its physical design is intended to consolidate dedicated subwoofer amplification into a relatively slim footprint.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with adequate ventilation and route power, ground, signal, speaker, and remote-controller wiring safely. Configure the connected subwoofer or subwoofers for a final 1-ohm, 2-ohm, or 4-ohm load that matches a published rating. Set the low-pass filter, subsonic filter, bass boost, and gain after the rest of the audio system has been installed and checked.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43914021634239,"sku":"Gravity WC3500.1D","price":332.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_4_1387ce9b-ad5d-4eba-9048-05669e55b6d3.png?v=1734990635"},{"product_id":"gravity-audio-wc2200-1d-warzone-2200w-true-rms-car-amplifier-class-d-amp-1-2-4-ohm-stable-with-remote-sub-control-with-1-year-full-replacement-warranty-bundle","title":"Warzone WC2200-1D 2200W Class D Monoblock Amplifier","description":"\u003cp\u003eThe Warzone WC2200-1D is a mono Class D car amplifier designed to power a subwoofer system from a compact amplifier chassis. It provides a single amplified channel with RMS output ratings that scale for 1-, 2-, or 4-ohm subwoofer loads. This makes it a practical choice for vehicle owners building a dedicated bass section rather than a full-range multi-speaker system.\u003c\/p\u003e\u003cp\u003eAt its rated 1-ohm load, the WC2200-1D delivers up to 2200 watts RMS, with lower-rated operation available at 2 and 4 ohms. Its mono configuration concentrates amplifier power into one subwoofer channel for systems that prioritize low-frequency output. Match the final wired impedance of the subwoofer system to one of the amplifier's supported loads before installation.\u003c\/p\u003e\u003cp\u003eClass D amplification and a MOSFET pulse-width-modulated power supply support efficient operation in a vehicle audio system. The amplifier uses a double-sided FR-4 circuit board and surface-mount components as part of its circuit construction. A proprietary heat-dissipation design is intended to help manage operating temperature during extended use.\u003c\/p\u003e\u003cp\u003eSystem tuning is handled through adjustable filtering and bass controls. The amplifier includes an adjustable low-pass filter, adjustable high-pass filtering stated for the model, adjustable bass-boost frequency and level controls, and a remote level control connection. These adjustments allow the amplifier's output to be blended with the rest of a car audio system and tailored to the installed subwoofer enclosure.\u003c\/p\u003e\u003cp\u003eThe WC2200-1D is suited to custom subwoofer upgrades in cars, trucks, and SUVs where a high-output mono amplifier is needed. RCA input and output connections support integration with compatible source units and downstream audio equipment. A wired bass-level knob and cable are included, so the subwoofer level can be adjusted from the listening position.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2200W RMS at 1 Ohm:\u003c\/strong\u003e Supplies its highest rated continuous output into a 1-ohm mono load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Supported Loads:\u003c\/strong\u003e Operates with 1-, 2-, and 4-ohm speaker configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Topology:\u003c\/strong\u003e Uses an efficient amplifier design for high-power subwoofer applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Supply:\u003c\/strong\u003e Uses a pulse-width-modulated MOSFET power supply design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sound Controls:\u003c\/strong\u003e Provides low-pass, high-pass, and bass-boost adjustments for system tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Level Remote:\u003c\/strong\u003e Includes a bass knob and cable for convenient output-level adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WC2200-1D uses a compact, finned metal chassis with mounting feet, a double-sided FR-4 PCB, and high-quality SMD components. Its circuit design includes MOSFET technology and a heat-dissipation layout intended for car-audio use. Four-way protection circuitry covers high voltage, low voltage, over-current, and high-temperature conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and use correctly sized power, ground, remote-turn-on, RCA, and speaker wiring for the installation. Wire connected subwoofers so their final impedance is not below the 1-ohm minimum load, then set gain and filters conservatively during initial setup. The included wired level control connects to the amplifier's remote port for accessible bass-level adjustment.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43914024157375,"sku":"783501106227","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_2_d61d6613-e218-41d4-a0a7-b9770ddd157c.png?v=1734989977"},{"product_id":"gravity-audio-wc1500-1d-warzone-1500w-true-rms-car-amplifier-class-d-amp-1-2-4-ohm-stable-with-remote-sub-control-with-1-year-full-replacement-warranty-bundle","title":"Gravity Audio WC1500-1D Warzone Monoblock Amplifier","description":"\u003cp\u003eThe Gravity Audio WC1500.1D Warzone is a Class D monoblock car amplifier made for adding dedicated power to a subwoofer system. It is designed for installations where a factory or aftermarket stereo needs more low-frequency output than its built-in amplifier can provide. Its single-channel layout is intended for subwoofer duty rather than powering a full set of speakers.\u003c\/p\u003e\u003cp\u003eThis amplifier is rated to deliver 1,500 watts RMS at 1 ohm, with lower-output options at 2 and 4 ohms. That flexibility helps it fit systems using different final subwoofer wiring loads. Matching the amplifier to a properly rated subwoofer or subwoofer system is important for dependable operation.\u003c\/p\u003e\u003cp\u003eClass D amplification and a MOSFET pulse-width-modulated power supply support efficient power delivery in a compact chassis. The amplifier is built with a double-sided FR-4 circuit board and surface-mount components. A heat-dissipation design is also incorporated to support sustained use in a vehicle environment.\u003c\/p\u003e\u003cp\u003eThe WC1500.1D includes a remote bass level control, allowing adjustment of subwoofer output from the driver's seat. Adjustable low-pass and high-pass filters help tailor the amplified signal for the connected system. Adjustable bass-boost frequency and level controls provide further tuning options when used carefully.\u003c\/p\u003e\u003cp\u003eFor system protection, the amplifier includes circuitry for high-voltage, low-voltage, over-current, and high-temperature conditions. Its 1-ohm-stable design makes it suitable for compatible low-impedance subwoofer configurations. It is a practical choice for a bass-focused upgrade when installed with appropriate power wiring, fusing, grounding, and speaker wiring.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Design:\u003c\/strong\u003e Single-channel layout is intended for a dedicated subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports compatible 1, 2, and 4 ohm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Circuitry:\u003c\/strong\u003e Efficient amplifier architecture helps suit compact vehicle installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Control:\u003c\/strong\u003e Included bass knob provides convenient subwoofer-level adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Filters:\u003c\/strong\u003e Low-pass and high-pass controls help tune system response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Protection addresses voltage, current, and temperature-related conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WC1500.1D uses a compact chassis with a double-sided FR-4 PCB, high-quality SMD components, MOSFET circuitry, and a dedicated heat-dissipation design. Its Class D construction is intended to deliver substantial subwoofer power while conserving installation space. The amplifier also includes protection circuitry designed to monitor key electrical and thermal operating conditions.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a dry, ventilated location with secure mounting and adequate clearance around the chassis. Use appropriately sized power, ground, fuse, signal, remote-turn-on, and speaker wiring for the vehicle and connected load; verify final subwoofer impedance before connection. Set gain, crossover, and bass-boost controls conservatively, then tune the system with the remote bass control as needed.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43914028646591,"sku":"783501106210","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_1_b64673dc-8cdc-4085-bf0f-d68a27ee6637.png?v=1734478780"},{"product_id":"gravity-audio-wc1000-1d-warzone-1000w-true-rms-car-amplifier-class-d-amp-1-2-4-ohm-stable-with-remote-sub-control-with-1-year-full-replacement-warranty-bundle","title":"Gravity Audio WC1000-1D Warzone Class D Mono Amplifier","description":"\u003cp\u003eThe Gravity Audio WC1000-1D Warzone is a mono Class D car amplifier designed to power a subwoofer system with substantial continuous output in a compact format. It delivers 1,000 watts RMS at 1 ohm, with lower-power operating options at 2 and 4 ohms. This makes it a practical choice for a dedicated bass channel in an upgraded vehicle audio system.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building or expanding a subwoofer setup rather than powering a full set of speakers. Its single-channel monoblock layout focuses available output on low-frequency reproduction. The selectable impedance capability lets installers match the amplifier to compatible 1-, 2-, or 4-ohm subwoofer wiring configurations.\u003c\/p\u003e\u003cp\u003eClass D operation is paired with a MOSFET pulse-width-modulated power supply to support efficient power delivery. The amplifier also uses a heat-dissipation design intended to support operation during extended listening sessions. A compact chassis helps simplify placement where amplifier space is limited.\u003c\/p\u003e\u003cp\u003eSystem tuning is supported by adjustable low-pass and high-pass filters, along with adjustable bass-boost frequency and level controls. The included remote subwoofer level control provides a convenient way to adjust bass output from the front of the vehicle. These controls allow the amplifier to be integrated with a variety of source units and subwoofer enclosures.\u003c\/p\u003e\u003cp\u003eThe WC1000-1D is built with a double-sided FR-4 circuit board and SMD components. Its protection circuitry monitors high voltage, low voltage, over-current, and high-temperature conditions. It is backed by a 1-year full replacement warranty.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Output:\u003c\/strong\u003e Dedicated one-channel amplification for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,000W RMS at 1 Ohm:\u003c\/strong\u003e Supplies its highest rated continuous output into a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Load Compatibility:\u003c\/strong\u003e Operates with 1-, 2-, and 4-ohm speaker loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Supply:\u003c\/strong\u003e Supports efficient power conversion for vehicle audio use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Level Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level from the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Way Protection:\u003c\/strong\u003e Helps guard against voltage, current, and thermal faults.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier uses a compact chassis, double-sided FR-4 PCB construction, and high-quality SMD components. Its MOSFET-based circuit design and integrated heat-dissipation approach are intended to support reliable operation. The red-finish amplifier is designed for a dedicated mono subwoofer channel.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and wire it only to a subwoofer configuration that presents a stable 1-, 2-, or 4-ohm load. Match the amplifier's RMS rating at the selected impedance to the subwoofer system's continuous power capability, then set crossover, level, and bass-boost controls carefully. A remote subwoofer level control is included; product listings do not confirm a complete amplifier wiring kit.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43915320852671,"sku":"783501106203","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_20b8ea6d-c8d0-4e24-a168-3406569ad920.png?v=1734553980"},{"product_id":"audiotek-at4000m-1-channel-monoblock-car-amplifier-4000-watts-2-ohm-stable-led-indicator-bass-knob-included-mosfet-power-supply-great-for-subwoofers","title":"Audiotek AT-4000M 4000W Monoblock Car Amplifier","description":"\u003cp\u003eThe Audiotek AT-4000M is a one-channel monoblock car amplifier designed for adding a dedicated bass channel to a vehicle audio system. It is intended for use with subwoofers and supports a 2-ohm speaker load. Its compact, surface-mount format makes it suitable for trunk, rear-seat-back, or other secure installation locations with adequate ventilation.\u003c\/p\u003e\u003cp\u003eThis amplifier is a practical choice for listeners building a subwoofer system that needs adjustable low-frequency output. A continuously variable low-pass crossover helps limit the amplifier’s output to bass-focused frequencies. The included remote subwoofer level control allows convenient adjustment of bass output from the driver’s position.\u003c\/p\u003e\u003cp\u003eThe AT-4000M is specified for up to 4000 watts maximum power and uses a Class A-B amplifier design. Its MOSFET pulse-width-modulated power supply is designed to provide the amplifier’s operating power. Continuously variable input gain adjustment helps match the amplifier to the output level of the connected source unit.\u003c\/p\u003e\u003cp\u003eFor system flexibility, the amplifier includes nickel-plated RCA inputs as well as speaker-level inputs. This allows it to be integrated with audio systems that provide either low-level RCA signals or amplified speaker outputs. A remote turn-on\/turn-off circuit supports connection to a vehicle audio system’s switched remote-output lead.\u003c\/p\u003e\u003cp\u003eThe AT-4000M uses an aluminum-alloy heat sink to support heat dissipation during operation. Thermal and speaker-short protection circuitry are included to help safeguard the amplifier and connected system. LED power and protection indicators provide a quick visual status check after installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Design:\u003c\/strong\u003e Provides one dedicated amplified channel for a bass-focused system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4000W Maximum Power:\u003c\/strong\u003e Supplies a manufacturer-listed maximum output of up to 4000 watts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stability:\u003c\/strong\u003e Supports operation with a 2-ohm speaker load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Crossover:\u003c\/strong\u003e Helps tailor output for subwoofer-frequency playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Level Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Includes thermal and speaker-short protection for system monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier features a heavy-duty aluminum-alloy heat sink and LED power\/protection indicators. Its Class A-B circuit design uses a MOSFET pulse-width-modulated power supply, soft turn-on circuitry, and nickel-plated input connections. The chassis is designed for surface mounting.\u003c\/p\u003e\u003cp\u003eInstall the AT-4000M on a secure, dry surface with sufficient airflow around the heat sink, and disconnect the vehicle battery’s negative terminal before wiring. Connect it to a compatible 12-volt vehicle electrical system, use either RCA or speaker-level input as appropriate, and wire the connected subwoofer system so its final load is not below 2 ohms. Set gain, low-pass crossover, and bass boost conservatively during initial setup, then use the included remote level control for day-to-day bass adjustment.\u003c\/p\u003e","brand":"AUDIOTEK","offers":[{"title":"Default Title","offer_id":44163376021695,"sku":"Audiotek AT-4000M","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81Pgj7prgGS.jpg?v=1743199755"},{"product_id":"audiotek-at1600m-1-channel-monoblock-car-amplifier-1600-watts-2-ohm-stable-led-indicator-bass-knob-included-mosfet-power-supply-great-for-subwoofers","title":"Audiotek AT-1600M 1-Channel Monoblock Car Amplifier","description":"\u003cp\u003eThe Audiotek AT-1600M is a 1-channel monoblock car amplifier intended for adding a dedicated bass channel to a vehicle audio system. It is designed to drive compatible subwoofer setups and provides a listed 2-ohm output rating of 1600 watts x 1. Its single-channel layout keeps the system focused on low-frequency reinforcement rather than full-range speaker amplification.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to installers and listeners building an entry-level or replacement subwoofer system that needs adjustable bass output. A 2-ohm stable design supports compatible low-impedance subwoofer wiring configurations. The included remote subwoofer control allows convenient adjustment of bass level from the listening position.\u003c\/p\u003e\u003cp\u003eThe AT-1600M uses a Class A-B amplifier design with a MOSFET pulse-width-modulated power supply. It includes a variable low-pass filter specified from 35 Hz to 160 Hz, helping limit the amplified signal to bass frequencies appropriate for a subwoofer. Bass boost adjustment is specified from 0 to +18 dB for further system tuning.\u003c\/p\u003e\u003cp\u003eConnection options include nickel-plated RCA low-level inputs and speaker-level inputs, allowing integration with a range of aftermarket and factory audio sources. Variable input gain helps match the amplifier to the source unit's output level. A remote turn-on\/turn-off circuit supports operation with a compatible switched remote lead.\u003c\/p\u003e\u003cp\u003eThe AT-1600M can be used as the bass amplifier in a system with a separate head unit, signal source, subwoofer enclosure, power wiring, ground wiring, and appropriate fusing. Its protection circuits and LED status indicators help monitor operating condition during use. Confirm the final speaker impedance and electrical installation requirements before connecting the amplifier.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Configuration:\u003c\/strong\u003e Provides one dedicated channel for a compatible subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Operation:\u003c\/strong\u003e Supports compatible subwoofer loads down to 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts bass-frequency filtering from 35 Hz to 160 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost Control:\u003c\/strong\u003e Offers adjustable bass boost from 0 to +18 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Input Types:\u003c\/strong\u003e Includes RCA low-level and speaker-level input connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Includes thermal and speaker-short protection for added system safeguarding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AT-1600M uses a heavy-duty aluminum-alloy heat sink to help dissipate heat during operation. Its connection hardware includes nickel-plated RCA and speaker-level inputs, while LED power and protection indicators provide visible operating-status feedback. A soft turn-on circuit and MOSFET PWM power supply are also specified.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure, ventilated surface away from moisture and direct heat. Connect it only to a properly fused vehicle electrical system, use the remote turn-on lead as applicable, and wire subwoofers so the final load is not below its 2-ohm stable rating. Set gain, low-pass frequency, and bass boost conservatively, then tune them with the rest of the audio system.\u003c\/p\u003e","brand":"AUDIOTEK","offers":[{"title":"Default Title","offer_id":44163388080319,"sku":"Audiotek AT-1600M","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71MGboa_8KS.jpg?v=1743199942"},{"product_id":"audiotek-at7000m-1-channel-monoblock-class-d-car-amplifier-7000-watts-1-ohm-stable-led-indicator-bass-knob-included-mosfet-power-supply-great-for-subwoofers","title":"Audiotek AT-7000M 7000W Class D Monoblock Amplifier","description":"\u003cp\u003eThe Audiotek AT-7000M is a single-channel car audio amplifier designed for subwoofer-focused systems. Its monoblock layout concentrates amplification on the low-frequency channel, making it suited to installations that need a dedicated bass amplifier. The amplifier is listed with a 7000-watt maximum power rating and 1-ohm stable operation.\u003c\/p\u003e\u003cp\u003eThis model is intended for listeners building or upgrading a vehicle sound system with an external subwoofer stage. It accepts both RCA and speaker-level input connections, allowing it to work with many aftermarket and factory-source integration approaches. A remote subwoofer control is included for convenient adjustment of bass level from the front of the vehicle.\u003c\/p\u003e\u003cp\u003eThe AT-7000M uses Class D amplification and a MOSFET pulse-width-modulated power supply. This combination is designed for efficient operation in a compact car-audio amplifier format. A continuously variable low-pass crossover and input-gain control provide adjustment for blending the amplifier with the rest of a system.\u003c\/p\u003e\u003cp\u003eBass tuning controls include a selectable bass-boost range from 0 to +18 dB. These controls can help tailor low-frequency output to the subwoofer enclosure, vehicle cabin, and listener preference. Settings should be adjusted carefully to avoid overdriving connected subwoofers or the amplifier.\u003c\/p\u003e\u003cp\u003eFor system protection, the AT-7000M is listed with thermal and speaker-short protection circuitry, along with LED power and protection indicators. Its heavy-duty aluminum-alloy heat sink supports heat dissipation during operation. The amplifier can serve as the bass section of a larger system that includes a separate receiver, signal source, speakers, and properly matched subwoofers.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Class D Design:\u003c\/strong\u003e Provides a dedicated single-channel platform for subwoofer amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7000W Maximum Power:\u003c\/strong\u003e Delivers high stated peak-output capability for bass-oriented systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Operation:\u003c\/strong\u003e Supports subwoofer wiring configurations down to a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level from the listening position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Crossover:\u003c\/strong\u003e Helps limit output to frequencies appropriate for subwoofer use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Indicators:\u003c\/strong\u003e LED status lights show power and protection operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AT-7000M uses a heavy-duty aluminum-alloy heat sink and a MOSFET pulse-width-modulated power supply. Nickel-plated RCA and speaker-level inputs are listed for dependable signal connections. LED power and protection indicators provide visible operating-status feedback.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a secure location with ventilation around the heat sink, and use wiring and fusing appropriate for the completed system. Connect it to a compatible source using either RCA or speaker-level inputs, then set the low-pass crossover, input gain, and bass boost conservatively during initial setup. Confirm that the final connected speaker load does not fall below the amplifier's listed 1-ohm stable rating.\u003c\/p\u003e","brand":"AUDIOTEK","offers":[{"title":"Default Title","offer_id":44163409641663,"sku":"Audiotek AT-7000M","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81pRx1hb-vS.jpg?v=1743200602"},{"product_id":"audiotek-at8000m-1-channel-monoblock-class-d-car-amplifier-8000-watts-1-ohm-stable-led-indicator-bass-knob-included-mosfet-power-supply-great-for-subwoofers","title":"Audiotek AT-8000M 1-Channel Class D Monoblock Amplifier","description":"\u003cp\u003eThe Audiotek AT-8000M is a single-channel Class D car audio amplifier designed for subwoofer systems. It provides a dedicated mono amplification channel for installations that need substantial low-frequency output. Its 1-ohm-stable design supports system layouts built around low-impedance subwoofer loads.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for enthusiasts upgrading a factory or aftermarket audio system with dedicated bass reinforcement. A variable low-pass filter, subsonic filter, bass-frequency adjustment, and bass boost provide control over how the subwoofer blends with the rest of the system. A wired remote subwoofer control is included for accessible bass-level adjustment from the cabin.\u003c\/p\u003e\u003cp\u003eThe AT-8000M is specified with Class D operation and a MOSFET pulse-width-modulated power supply. This design focuses on efficient mono amplification for subwoofer duty. Published output ratings list 4,000 watts at 4 ohms, 5,000 watts at 2 ohms, and 8,000 watts at 1 ohm.\u003c\/p\u003e\u003cp\u003eIts signal controls include a 17-50 Hz subsonic filter, a 40-180 Hz low-pass filter, and adjustable bass frequency from 30-80 Hz. These settings help tailor the amplifier to the enclosure, subwoofer capabilities, and crossover point of the overall system. Input gain adjustment supports matching the amplifier to the source unit's signal level.\u003c\/p\u003e\u003cp\u003eThe AT-8000M fits a bass-focused upgrade path using an aftermarket head unit or a compatible audio signal source, subwoofer enclosure, power wiring, and correctly matched low-impedance subwoofers. Nickel-plated RCA and speaker-level inputs provide connection options. Thermal and speaker-short protection circuitry, along with power and protection LEDs, support monitoring during operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Dedicated single-channel amplification for a subwoofer-focused car audio system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Operation:\u003c\/strong\u003e Supports compatible low-impedance subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished 8,000W Maximum Output:\u003c\/strong\u003e Listed output reaches 8,000 watts into a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the upper bass cutoff from 40 to 180 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Control:\u003c\/strong\u003e Lets the user adjust subwoofer level from a convenient in-vehicle location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Thermal and speaker-short protection help safeguard the amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier uses a heavy-duty aluminum-alloy heat sink to manage heat during operation. Its MOSFET pulse-width-modulated power supply, nickel-plated connection points, and LED power\/protection indicators are designed for a dedicated car-audio installation. The unit is listed as a 1-channel Class D monoblock amplifier.\u003c\/p\u003e\u003cp\u003eInstall the AT-8000M in a secure, ventilated location and use appropriately sized power, ground, fuse, speaker, and signal wiring selected for the vehicle and system load. Match the final subwoofer impedance to the amplifier's supported load configuration, and set gain, subsonic filter, low-pass filter, and bass controls conservatively during initial setup. A compatible source signal, subwoofer system, enclosure, and vehicle electrical installation are required for operation.\u003c\/p\u003e","brand":"AUDIOTEK","offers":[{"title":"Default Title","offer_id":44163412787391,"sku":"Audiotek AT-8000M","price":115.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71Dm-1mVd8S.jpg?v=1743200989"},{"product_id":"warzone-e3500-1d","title":"Warzone E-3500-1D Class D Mono Car Amplifier","description":"\u003cp\u003eThe Warzone E-3500-1D is a mono Class D car amplifier designed to provide dedicated power for a vehicle subwoofer system. It is suited to installers building a bass-focused upgrade who need an amplifier compatible with 1-, 2-, or 4-ohm speaker loads. Its single-channel design keeps the system focus on low-frequency reinforcement rather than full-range speaker amplification.\u003c\/p\u003e\u003cp\u003ePublished output ratings list 3,000 watts RMS at 1 ohm, 2,112 watts RMS at 2 ohms, and 1,156 watts RMS at 4 ohms. This range gives system builders options when matching the amplifier to a subwoofer or a wired subwoofer array. Final impedance should be confirmed before installation to keep the connected load within the amplifier's supported range.\u003c\/p\u003e\u003cp\u003eThe E-3500-1D uses a MOSFET pulse-width-modulated power supply, an efficient switching design commonly used in Class D amplification. The product information also identifies heat-dissipation engineering intended to support sustained playback. This makes it a practical fit for high-output bass systems where installation space and thermal management both matter.\u003c\/p\u003e\u003cp\u003eSound adjustment is handled through adjustable low-pass and high-pass filters plus bass-boost control. These controls allow the amplifier's output to be shaped around the subwoofer system and the rest of the vehicle audio setup. A wired remote level control is included for convenient level adjustment from the driver's area.\u003c\/p\u003e\u003cp\u003eFor system protection, the amplifier is listed with four-way circuitry addressing high voltage, low voltage, overcurrent, and overheating conditions. The compact chassis is intended to simplify placement in vehicles with limited available mounting space. Pair it with appropriately matched subwoofers, suitable power wiring, and a correctly configured source signal for a complete bass upgrade.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Provides dedicated single-channel power for a subwoofer-focused system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\/4-Ohm Compatibility:\u003c\/strong\u003e Supports several common final subwoofer load configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET PWM Supply:\u003c\/strong\u003e Uses an efficient switching power-supply design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Filters:\u003c\/strong\u003e Lets you tailor frequency output to the installed system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost Control:\u003c\/strong\u003e Provides additional low-frequency adjustment when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Control:\u003c\/strong\u003e Allows convenient output-level adjustment from the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe E-3500-1D combines a compact amplifier chassis with a Class D platform and MOSFET pulse-width-modulated power supply. Its protection circuitry is specified to monitor high voltage, low voltage, overcurrent, and overheating conditions. The design is intended for vehicle installations where strong subwoofer output is desired without using an oversized amplifier footprint.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a location with ventilation and use vehicle-appropriate power, ground, speaker, and signal wiring. Select a subwoofer wiring configuration that presents a 1-, 2-, or 4-ohm final load, then set the filter, bass-boost, and remote-level controls conservatively during initial tuning. Professional installation is advisable for high-power car-audio systems and for verifying charging-system and wiring suitability.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":45608846983359,"sku":"783501185079","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_d24e7e1c-f9b5-4317-9d74-9d7c7329d89d.jpg?v=1777670932"},{"product_id":"stx-audio-stx1000-1d","title":"STX Audio STX1000-1D 1000W Monoblock Class D Amplifier","description":"\u003cp\u003eThe STX Audio STX1000.1D is a single-channel Class D amplifier designed for car-audio systems. It provides a mono amplification path for a dedicated bass-focused speaker or subwoofer system. The published rating lists 600 watts RMS power and up to 1000 watts maximum output.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners building or upgrading a vehicle audio system that needs more low-frequency output than a factory radio can provide. Its 1-ohm-stable design supports compatible low-impedance mono loads. Confirm the final speaker wiring impedance before installation.\u003c\/p\u003e\u003cp\u003eThe STX1000.1D combines a 600W RMS rating with adjustable bass boost and a low-pass filter. These controls allow the installer to tailor low-frequency emphasis and limit the amplifier's output to the bass range. Exact crossover range and bass-boost range are not published in the confirmed product data.\u003c\/p\u003e\u003cp\u003eClass D operation and a MOSFET circuit design are specified for this model. The compact mono format keeps the amplifier focused on one amplification channel rather than a full-range multi-channel system. It is intended for 12-volt vehicle audio applications, with a listed maximum supply voltage of 14V DC.\u003c\/p\u003e\u003cp\u003eUse the STX1000.1D as part of a complete car-audio upgrade with a compatible subwoofer or mono speaker load, appropriate power wiring, and a suitable source signal. Its adjustable low-pass filter can help integrate the amplifier into a system that also uses separate full-range speakers. Select connected speakers according to their actual impedance and power-handling specifications.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Provides one dedicated amplification channel for a bass-oriented car-audio system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600W RMS Rating:\u003c\/strong\u003e Delivers a published continuous-power rating for compatible audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000W Maximum Output:\u003c\/strong\u003e Supplies the listed maximum output capability for higher-demand playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports compatible mono loads wired to a 1-ohm impedance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Bass Boost:\u003c\/strong\u003e Lets the installer increase bass emphasis to suit the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Low-Pass Filter:\u003c\/strong\u003e Helps direct the amplifier's output toward low-frequency reproduction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe STX1000.1D uses Class D amplification with a MOSFET circuit design and a single-channel layout. Confirmed listing data identifies semiconductor materials and a freestanding mounting type, but does not publish chassis material, terminal construction, or unit dimensions. Package dimensions are listed separately and should not be treated as installed amplifier dimensions.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a dry, ventilated vehicle location and wire it for a compatible mono load that does not fall below 1 ohm. Use properly selected vehicle power, ground, fuse, speaker, and signal wiring for the installation; confirmed product data does not specify wire gauge, fuse rating, terminal sizes, or included wiring. Set bass boost and the low-pass filter conservatively during initial setup, then adjust them to match the rest of the system.\u003c\/p\u003e","brand":"STX AUDIO","offers":[{"title":"Default Title","offer_id":45608896233663,"sku":"783501162612","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_e7095252-88f8-4b2b-b5ff-911b59c95c63.jpg?v=1777674237"},{"product_id":"stx-audio-stx2000-5d","title":"STX Audio STX2000.5D 5-Channel Class D Amplifier","description":"\u003cp\u003eThe STX Audio STX2000.5D is a five-channel Class D car amplifier designed to power a complete speaker-and-subwoofer system from one compact chassis. It provides four full-range channels for front and rear speakers plus a dedicated subwoofer channel. This layout helps simplify a system upgrade when separate amplifiers are not desired.\u003c\/p\u003e\u003cp\u003eAt 4 ohms, the amplifier is rated for 80 watts RMS across each of its four full-range channels and 200 watts RMS for the subwoofer channel. At 2 ohms, it is rated for 130 watts RMS x 4 plus 400 watts RMS for the subwoofer channel. Its 2,000-watt maximum-power rating describes its peak output specification.\u003c\/p\u003e\u003cp\u003eThe STX2000.5D is intended for listeners who want independently amplified door or component speakers along with a subwoofer. Adjustable high-pass filtering helps remove deep bass from the full-range speakers, while the dedicated low-pass filter sends bass-focused frequencies to the subwoofer channel. Separate front, rear, and subwoofer gain controls support level matching within the system.\u003c\/p\u003e\u003cp\u003eIts circuit design uses MOSFET technology along with a double-sided FR-4 circuit board and SMT components. The Class D platform is specified at over 80% efficiency, helping make the amplifier suitable for installations where available space and heat management matter. Thermal protection is specified at 80°C (176°F).\u003c\/p\u003e\u003cp\u003eThe amplifier accepts RCA inputs for front, rear, and subwoofer signal paths, making it appropriate for an aftermarket head unit with preamp outputs. A remote bass-level control is included for adjusting subwoofer output from the listening position. With adjustable crossover controls and five amplified channels, it provides a focused foundation for a conventional full-range-plus-subwoofer car audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-Channel Layout:\u003c\/strong\u003e Powers four full-range speakers and one subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm RMS Output:\u003c\/strong\u003e Delivers 130W x 4 plus 400W subwoofer RMS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable HPF:\u003c\/strong\u003e Helps protect full-range speakers from excessive low bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable LPF:\u003c\/strong\u003e Directs low-frequency content to the subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Control:\u003c\/strong\u003e Allows convenient adjustment of subwoofer level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Protection:\u003c\/strong\u003e Protection threshold is specified at 80°C (176°F).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe STX2000.5D uses a compact enclosure measuring approximately 8.6 x 4.8 x 2 inches. Its electronics are built around a double-sided FR-4 PCB with SMT components, and the amplifier includes power and protection status indicators. The chassis should be installed in a dry location with clearance around it for ventilation.\u003c\/p\u003e\u003cp\u003eUse the +12V, ground, and remote-turn-on terminals for vehicle power connections, and connect RCA cables to the separate front, rear, and subwoofer inputs. Connect full-range speakers to channels 1 through 4 and the subwoofer to the dedicated subwoofer output, keeping connected loads at or above the stated 2-ohm minimum. Set gain conservatively, then use the HPF, LPF, and bass-boost controls to suit the speakers and subwoofer in the system.\u003c\/p\u003e","brand":"STX AUDIO","offers":[{"title":"Default Title","offer_id":45609053192383,"sku":"783501162636","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_e185853c-2891-4e5b-82f8-d75415f6e354.jpg?v=1777674822"},{"product_id":"stx-audio-stx3000-1d","title":"STX Audio STX3000.1D 3000W Monoblock Class D Amplifier","description":"\u003cp\u003eThe STX Audio STX3000.1D is a single-channel Class D car amplifier built to power a dedicated subwoofer system. Its monoblock layout focuses all available output on low-frequency reproduction, helping create a more substantial bass foundation than a head unit can provide alone. It is rated for operation down to a 1-ohm load, giving experienced installers flexibility when planning compatible subwoofer wiring.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for car-audio enthusiasts building a bass-focused upgrade or replacing a lower-output mono amp. Rated RMS output is specified at 800 watts at 4 ohms, 1,300 watts at 2 ohms, and 2,000 watts at 1 ohm. That range allows the amplifier to be matched to a variety of properly wired subwoofer configurations.\u003c\/p\u003e\u003cp\u003eThe STX3000.1D uses a Class D platform with a MOSFET circuit design. Class D amplification is suited to high-output subwoofer applications because it is designed for efficient power conversion, and this model is specified at over 85% efficiency. Its FR-4 printed circuit board and double-sided SMT construction are intended to support stable operation in a compact chassis.\u003c\/p\u003e\u003cp\u003eBuilt-in tuning controls help integrate the amplifier with the rest of a vehicle audio system. The adjustable subsonic filter spans 5 to 50 Hz, while the adjustable low-pass filter covers 8 to 180 Hz. Bass-boost frequency and level controls provide further adjustment for installers who want to tailor low-frequency response to their enclosure and listening preferences.\u003c\/p\u003e\u003cp\u003eThe STX3000.1D fits into a complete system as the dedicated amplifier for compatible subwoofers. Its compact 16.4 x 7.3 x 2.3-inch dimensions can simplify placement in many trunk, hatch, or cargo-area installations. Built-in overload, short-circuit, thermal, and low-voltage protection systems add operational safeguards for demanding car-audio use.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,000W RMS at 1 Ohm:\u003c\/strong\u003e Provides the highest specified continuous output when paired with a properly wired 1-ohm subwoofer load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Class D Design:\u003c\/strong\u003e Delivers single-channel amplification intended for dedicated subwoofer duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET Circuit Design:\u003c\/strong\u003e Supports the amplifier's power-delivery architecture for bass-focused car-audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Crossover Controls:\u003c\/strong\u003e Subsonic and low-pass filters help set an appropriate bass operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost Adjustment:\u003c\/strong\u003e Adjustable boost frequency and level controls allow additional low-frequency tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Overload, short-circuit, thermal, and low-voltage safeguards help protect the amplifier during operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe STX3000.1D combines a compact chassis with an FR-4 PCB, double-sided SMT construction, and a MOSFET-based Class D circuit design. Its black-and-orange exterior and finned side profile give it a purposeful amplifier appearance while the compact 2.3-inch height helps with placement where vertical clearance is limited.\u003c\/p\u003e\u003cp\u003eInstall the amplifier securely in a ventilated location and match it only with subwoofers whose final wired impedance is compatible with the selected load. Use properly sized vehicle power, ground, signal, and speaker wiring, and set the subsonic filter, low-pass filter, gain, and bass boost to suit the subwoofer enclosure and overall system. The available product information does not confirm included wiring or installation accessories, so plan for those separately.\u003c\/p\u003e","brand":"STX AUDIO","offers":[{"title":"Default Title","offer_id":45609053847743,"sku":"783501162599","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_c9e463d9-7b1b-46ec-a854-5f7d4607b8ba.jpg?v=1777674979"},{"product_id":"stx-audio-stx2000-1d","title":"STX Audio STX2000.1D 2000W Class D Monoblock Amplifier","description":"\u003cp\u003eThe STX Audio STX2000.1D is a mono Class D car amplifier designed to power a subwoofer system. It provides a dedicated bass channel rather than splitting output among full-range speakers. This makes it a practical choice for car audio systems that need controlled low-frequency reinforcement.\u003c\/p\u003e\u003cp\u003eRated for up to 2000 watts maximum output, the STX2000.1D is specified at 1000 watts RMS into a 1-ohm load. It is also rated at 600 watts RMS at 2 ohms and 500 watts RMS at 4 ohms. These ratings give installers flexibility when selecting and wiring compatible subwoofers.\u003c\/p\u003e\u003cp\u003eThe amplifier uses a Class D design with MOSFET circuitry to support efficient power delivery in a compact chassis. Its published efficiency exceeds 85%, helping reduce wasted energy compared with less-efficient amplifier designs. The mono-channel layout is purpose-built for bass duty rather than multi-speaker amplification.\u003c\/p\u003e\u003cp\u003eBuilt-in tuning controls allow the amplifier to be adjusted for the subwoofer and enclosure being used. A variable subsonic filter, low-pass filter, bass-boost frequency control, and bass-boost level control provide useful setup range. Careful adjustment helps integrate the subwoofer with the rest of the vehicle audio system.\u003c\/p\u003e\u003cp\u003eThe STX2000.1D is a compact option for an aftermarket bass upgrade where space matters. Its freestanding mounting design suits common amplifier-installation locations such as a trunk, cargo area, or an appropriately ventilated custom panel. Integrated overload, short-circuit, thermal, and low-voltage protection circuits support dependable operation when the system is correctly installed.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Delivers one dedicated channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Output:\u003c\/strong\u003e Supports compatible subwoofer loads down to 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000W RMS at 1 Ohm:\u003c\/strong\u003e Provides its highest published continuous power rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Low-Pass Filter:\u003c\/strong\u003e Helps limit output to bass frequencies for subwoofer use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Allows low-frequency protection and enclosure-specific tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Protection Circuits:\u003c\/strong\u003e Includes overload, short-circuit, thermal, and low-voltage protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe STX2000.1D uses a high-quality FR-4 printed circuit board with double-sided SMT construction. Its MOSFET circuit design and compact 10.5 x 7.3 x 2.3-inch form factor are intended to combine power capability with space-conscious installation. The amplifier is listed with a freestanding mounting type and a single-channel configuration.\u003c\/p\u003e\u003cp\u003eMatch the amplifier to subwoofers whose final wired impedance is 1, 2, or 4 ohms, and use the corresponding published RMS rating as the power reference. Install it with properly sized vehicle power, ground, speaker, and signal wiring selected for the overall system, and mount it where ventilation is available. Set the subsonic filter, low-pass filter, and bass controls conservatively during initial setup, then fine-tune them for the vehicle and enclosure.\u003c\/p\u003e","brand":"STX AUDIO","offers":[{"title":"Default Title","offer_id":45609058369727,"sku":"783501162582","price":139.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_5b70865a-f009-4834-acfe-b816159ea728.jpg?v=1777675383"},{"product_id":"warzone-series-car-amplifiers-true-rms-power-class-d-amps-1-2-4-ohm-stable-multi-channel-and-monoblock-options-remote-sub-control-700w-5-channels","title":"Warzone WC700-5D 700W 5-Channel Class D Amplifier","description":"\u003cp\u003eThe Warzone WC700-5D is a 700W, 5-channel car audio amplifier designed for systems that need to power multiple speakers from one chassis. Its five-channel format makes it suited to upgrading factory audio or building a more complete aftermarket speaker-and-subwoofer system. It provides a centralized amplification solution for drivers seeking more control than a head unit's built-in power can offer.\u003c\/p\u003e\u003cp\u003eThis amplifier uses a Class D design intended to provide efficient operation with reduced heat compared with less-efficient amplifier designs. The Warzone series is marketed around true RMS power delivery for consistent audio performance. Its configuration is aimed at everyday vehicle installations where available space and electrical efficiency both matter.\u003c\/p\u003e\u003cp\u003eThe WC700-5D is listed as stable with 1-, 2-, and 4-ohm speaker-load options, allowing it to work with a range of compatible car-audio setups. Proper load planning remains important, especially when combining full-range speakers and a subwoofer in a five-channel system. Match the amplifier's supported wiring arrangement to the impedance and RMS ratings of the connected speakers.\u003c\/p\u003e\u003cp\u003eBuilt-in low-pass and high-pass filtering helps separate bass and full-range frequencies within the system. This allows installers to direct lower frequencies toward compatible bass drivers while limiting deep bass sent to smaller speakers. The result is a more purposeful setup without requiring every speaker to reproduce the entire frequency range.\u003c\/p\u003e\u003cp\u003eA remote subwoofer control is included for convenient bass-level adjustment from the driver's seat. This is useful when recorded music, road noise, or listening preferences call for a quick change in subwoofer output. The amplifier is backed by a stated one-year full replacement warranty.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-Channel Layout:\u003c\/strong\u003e Supports a multi-speaker car audio system from one amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e700W Advertised Output:\u003c\/strong\u003e Provides the listed total power capacity for compatible system designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Design:\u003c\/strong\u003e Promotes efficient operation and reduced heat generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Ohm Stability:\u003c\/strong\u003e Listed for 1-, 2-, and 4-ohm compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLPF\/HPF Filters:\u003c\/strong\u003e Helps tailor frequency distribution between connected speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Sub Control:\u003c\/strong\u003e Allows convenient adjustment of bass level from the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WC700-5D is built around a sturdy amplifier chassis and a Class D platform intended for vehicle use. Its design focuses on delivering multi-channel amplification while managing heat efficiently. The compact-system approach can simplify an upgrade that includes both full-range speakers and bass reinforcement.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and use appropriately sized power, ground, speaker, and signal wiring for the vehicle audio system. Confirm the final impedance presented to each applicable channel before connecting speakers or subwoofers. Use the high-pass and low-pass controls to set frequency duties, then position the included remote subwoofer control where it can be safely reached by the driver.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":45613507379391,"sku":"783501162551","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71YvhdU6ISL.jpg?v=1777925573"},{"product_id":"audio360-ad2000-1-monoblock-car-audio-amplifier-2000w-max-power-compact-class-d-mono-amp-with-88db-snr-1-ohm-stable-subwoofer-amplifier","title":"Audio360 AD2000.1 Monoblock Car Amplifier","description":"\u003cp\u003eThe Audio360 AD2000-1 is a compact monoblock car amplifier designed to add dedicated low-frequency power to a subwoofer system. Its single-channel Class D configuration is intended for bass-focused upgrades where a full-range multi-channel amplifier is not needed. The compact chassis helps make a separate subwoofer amplifier practical in vehicles with limited mounting space.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners building or refreshing a car audio system around one or more subwoofers. It provides rated RMS output at 4-, 2-, and 1-ohm loads, allowing the final power level to be matched to the impedance of the connected subwoofer wiring configuration. Stable 1-ohm operation expands its compatibility with low-impedance subwoofer setups when wired correctly.\u003c\/p\u003e\u003cp\u003eRated output is 150 watts RMS at 4 ohms, 250 watts RMS at 2 ohms, and 350 watts RMS at 1 ohm. The listed 2000-watt maximum-power figure is a peak specification, while RMS ratings are the more useful reference for matching a subwoofer. An 88 dB signal-to-noise ratio is specified for the amplifier.\u003c\/p\u003e\u003cp\u003eThe AD2000-1 uses Class D amplification, an efficient design commonly chosen for compact subwoofer amplifiers. This architecture helps reduce the space required for a dedicated bass channel while supporting efficient operation. Built-in thermal, short-circuit, and overload protection are specified to help safeguard the amplifier during abnormal operating conditions.\u003c\/p\u003e\u003cp\u003eAt approximately 8.66 by 8.98 by 2.13 inches, the AD2000-1 can be considered for under-seat, trunk, or other space-conscious installations. It is intended as the subwoofer-power stage in a system that also includes a compatible audio source, properly wired power and ground connections, and a subwoofer load within its supported impedance range. Confirm the total final impedance of the connected subwoofer system before installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Dedicated single-channel amplification for subwoofer-focused systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2000W Maximum Power:\u003c\/strong\u003e Listed peak-power capability for bass-oriented car audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350W RMS at 1 Ohm:\u003c\/strong\u003e Supports low-impedance subwoofer configurations when correctly wired.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible RMS Ratings:\u003c\/strong\u003e Delivers rated power at 4-, 2-, and 1-ohm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e88 dB Signal-to-Noise Ratio:\u003c\/strong\u003e Specifies a low-noise performance reference for the amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Thermal, short-circuit, and overload safeguards are specified.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AD2000-1 has a compact Class D monoblock layout measuring approximately 8.66 x 8.98 x 2.13 inches. Published product information does not specify the enclosure material or finish, but the low-profile format is intended for installations where amplifier space is limited. Its design centers on powering subwoofers rather than a complete set of full-range speakers.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a secure location with adequate ventilation and use properly sized fused power, ground, remote-turn-on, signal, and speaker wiring appropriate to the vehicle and system. Match the subwoofer wiring to a final load no lower than 1 ohm, and use the applicable RMS rating rather than the maximum-power figure when selecting subwoofers. A standalone product listing does not confirm a wiring kit or other installation accessories in the box; verify package contents with the seller before purchase.\u003c\/p\u003e","brand":"AUDIO360","offers":[{"title":"Default Title","offer_id":45613551878335,"sku":"783501162681","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/712WvtIxz5L.jpg?v=1777929858"},{"product_id":"audio360-ad3000-1-monoblock-car-audio-amplifier-3000w-max-power-compact-class-d-1-ohm-stable-subwoofer-amplifier-with-89db-snr-clean-deep-bass-output","title":"Audio360 AD3000.1 Monoblock Car Amplifier","description":"\u003cp\u003eThe AUDIO360 AD3000.1 is a compact monoblock car amplifier designed to add dedicated low-frequency power to a subwoofer system. Its single-channel Class D configuration is intended for bass amplification rather than full-range speaker duty. It is a practical option for installers building a compact trunk, side-panel, or under-seat subwoofer upgrade.\u003c\/p\u003e\u003cp\u003eThis amplifier is rated for 200 watts RMS at 4 ohms, 350 watts RMS at 2 ohms, and 500 watts RMS at 1 ohm. Those ratings allow it to work with subwoofer wiring configurations that present a 1-, 2-, or 4-ohm final load. Matching the final impedance and RMS capability of the connected subwoofer is important for a properly balanced system.\u003c\/p\u003e\u003cp\u003eThe AD3000.1 is listed with a 3000-watt maximum-power rating and an 89 dB signal-to-noise ratio. Its published continuous-output ratings provide the more useful reference point when selecting compatible subwoofers. The mono design keeps the amplifier focused on supplying power to one bass channel.\u003c\/p\u003e\u003cp\u003eClass D operation helps keep the amplifier footprint compact at approximately 8.66 x 8.98 x 2.13 inches. This format can simplify placement where a larger traditional amplifier may be difficult to mount. The amplifier is specified as stable down to a 1-ohm load.\u003c\/p\u003e\u003cp\u003eBuilt-in thermal, overload, and short-circuit protection are listed for added operating protection. These features are intended to help safeguard the amplifier during abnormal operating conditions. The AD3000.1 can serve as the bass-power stage in a system paired with a compatible source unit, wiring installation, and properly matched subwoofer enclosure.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Channel:\u003c\/strong\u003e Dedicated single-channel design for low-frequency system amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Topology:\u003c\/strong\u003e Compact amplifier architecture suited to space-conscious installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports compatible subwoofer loads down to 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500W RMS at 1 Ohm:\u003c\/strong\u003e Delivers its highest listed RMS rating at 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e89 dB Signal-to-Noise Ratio:\u003c\/strong\u003e Published noise specification for the amplifier's audio output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuits:\u003c\/strong\u003e Thermal, overload, and short-circuit safeguards are listed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AD3000.1 uses a compact Class D monoblock layout measuring approximately 8.66 x 8.98 x 2.13 inches. Published product information confirms the amplifier format, dimensions, and protection functions, but does not identify the chassis or heatsink materials. Its small form factor is suited to installations where amplifier space is limited.\u003c\/p\u003e\u003cp\u003eInstall the amplifier securely in a location with suitable ventilation and plan the system around the final subwoofer impedance. Use a subwoofer configuration that presents no lower than the specified 1-ohm minimum load, and match the subwoofer system to the applicable 4-, 2-, or 1-ohm RMS rating. Power wiring, grounding, signal connection, fusing, and any installation hardware should be selected according to the vehicle and the installer’s requirements.\u003c\/p\u003e","brand":"AUDIO360","offers":[{"title":"Default Title","offer_id":45613552435391,"sku":"783501162698","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71aqPBmdrzL.jpg?v=1777929972"},{"product_id":"audio360-ad5000-1-monoblock-car-audio-amplifier-5000w-max-power-compact-class-d-1-ohm-stable-subwoofer-amp-with-90db-snr-clean-deep-bass-output","title":"Audio360 AD5000.1 Monoblock Car Amplifier","description":"\u003cp\u003eThe Audio360 AD5000.1 is a compact Class D monoblock car amplifier designed to power a subwoofer system. It provides a dedicated low-frequency amplification solution for vehicles where factory audio lacks bass impact. Its single-channel design makes it appropriate for a focused subwoofer upgrade rather than full-range speaker amplification.\u003c\/p\u003e\u003cp\u003eRated for stable operation down to a 1-ohm load, the AD5000.1 can support several common subwoofer wiring configurations. Listed RMS output is 400 watts at 4 ohms, 680 watts at 2 ohms, and 1,000 watts at 1 ohm. Matching the final speaker load and subwoofer power handling to these ratings is important for a balanced installation.\u003c\/p\u003e\u003cp\u003eThe amplifier carries a listed maximum power rating of 5,000 watts. For system planning, the continuous RMS ratings provide the more useful reference for matching compatible subwoofers. A 90 dB signal-to-noise ratio is specified for the amplifier's low-frequency performance.\u003c\/p\u003e\u003cp\u003eClass D amplification helps keep the AD5000.1 compact for installations where available mounting space is limited. At approximately 11.22 by 8.98 by 2.13 inches, it can be considered for trunk, under-seat, or custom-panel installations where clearance permits. Its compact footprint can simplify placement in bass-focused vehicle audio systems.\u003c\/p\u003e\u003cp\u003eIntegrated thermal, overload, and short-circuit protection circuits are specified to help safeguard the amplifier during operation. The AD5000.1 is intended for use in a car-audio subwoofer system with appropriate power, ground, signal, and speaker wiring. Careful gain setting and load verification are recommended as part of the installation process.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Configuration:\u003c\/strong\u003e A single-channel amplifier layout intended for a dedicated subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports properly wired subwoofer loads down to 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,000W RMS at 1 Ohm:\u003c\/strong\u003e Provides its highest listed continuous output at a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Design:\u003c\/strong\u003e Uses an efficient amplifier topology in a compact chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90 dB Signal-to-Noise Ratio:\u003c\/strong\u003e Specifies low background noise relative to the audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Includes thermal, overload, and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AD5000.1 uses a compact amplifier chassis measuring approximately 11.22 by 8.98 by 2.13 inches. Its Class D architecture is designed for efficient operation and reduced space requirements compared with larger amplifier formats. Specific housing materials and finish details are not confirmed in the available product information.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with suitable ventilation and verify clearance before installation. Use a properly configured subwoofer load between 1 and 4 ohms, and set gain conservatively after the power, ground, signal, and speaker connections are completed. Professional installation is advisable when vehicle wiring, load configuration, or mounting requirements are uncertain.\u003c\/p\u003e","brand":"AUDIO360","offers":[{"title":"Default Title","offer_id":45613552795839,"sku":"783501162704","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71x_jz-TkUL.jpg?v=1777930093"},{"product_id":"audio360-ad6000-1-monoblock-car-audio-amplifier-6000w-max-power-compact-class-d-1-ohm-stable-subwoofer-amp-with-91db-snr-high-efficiency-bass-performance","title":"Audio360 AD6000.1 Monoblock Car Amplifier","description":"\u003cp\u003eThe Audio360 AD6000.1 is a single-channel Class D car amplifier designed to power a dedicated subwoofer system. It provides a compact option for installers who need substantial bass amplification without using the space typically required by larger amplifiers. Its 1-ohm-stable design supports several common subwoofer wiring configurations.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for bass-focused systems rather than full-range speakers. Rated RMS output is 600 watts at 4 ohms, 1,000 watts at 2 ohms, and 1,500 watts at 1 ohm. Those ratings allow the amplifier to be matched to a subwoofer or subwoofer array according to its final wired impedance.\u003c\/p\u003e\u003cp\u003eThe AD6000.1 carries a stated maximum-power rating of 6,000 watts and a 91 dB signal-to-noise ratio. In practical system planning, the RMS ratings are the useful figures for matching subwoofer power handling. The monoblock layout concentrates its output into one bass channel for a straightforward subwoofer upgrade.\u003c\/p\u003e\u003cp\u003eClass D amplification is used to keep the chassis comparatively compact while supporting efficient high-current bass operation. The amplifier measures approximately 13.46 by 8.98 by 2.13 inches, making it suitable for installations where available mounting space is limited. It can be considered for trunk, cargo-area, or other protected vehicle locations with suitable ventilation.\u003c\/p\u003e\u003cp\u003eBuilt-in thermal, overload, and short-circuit protection are specified to help safeguard the amplifier during abnormal operating conditions. Proper power wiring, grounding, fusing, and load selection remain essential for dependable operation. The AD6000.1 is a focused choice for adding a dedicated subwoofer amplifier to a compatible car audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Configuration:\u003c\/strong\u003e One-channel design dedicated to subwoofer amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports subwoofer systems wired to a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS Power Options:\u003c\/strong\u003e Delivers rated output at 4-, 2-, and 1-ohm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D Design:\u003c\/strong\u003e Provides efficient amplification in a compact chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e91 dB Signal-to-Noise Ratio:\u003c\/strong\u003e Specifies low background noise for bass playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Includes thermal, overload, and short-circuit safeguards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AD6000.1 uses a compact amplifier chassis measuring approximately 13.46 x 8.98 x 2.13 inches. Marketplace product data identifies copper, iron, and plastic among its listed materials. Its low-profile form factor is intended to make placement easier in space-conscious vehicle installations.\u003c\/p\u003e\u003cp\u003eChoose subwoofers and wiring that produce a final impedance of 1, 2, or 4 ohms, and match the system primarily to the applicable RMS rating. Use properly sized power and ground wiring, a correctly installed inline fuse, and a solid chassis ground; wiring-kit specifications are not confirmed for the amplifier sold by itself. Mount the amplifier securely in a dry, ventilated location and avoid blocking its airflow.\u003c\/p\u003e","brand":"AUDIO360","offers":[{"title":"Default Title","offer_id":45613553221823,"sku":"783501162711","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71PABpQpfKL.jpg?v=1777930110"},{"product_id":"gravity-gr1300-1-monoblock-amplifier-2-ohm-stable-1300w-class-ab-technology-with-led-indicator-overload-thermal-short-circuit-protection-power-protection-indicator","title":"Gravity GR1300.1 1300W Monoblock Car Amplifier","description":"\u003cp\u003eThe Gravity GR1300.1 is a single-channel car audio amplifier designed to power a subwoofer system. It provides a maximum rated output of 1300 watts at 2 ohms and is intended for drivers adding dedicated low-frequency reinforcement to a vehicle audio system. Its monoblock layout keeps the focus on bass-channel amplification rather than full-range speaker power.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to systems that need adjustable subwoofer output and flexible source integration. It accepts both line-level and speaker-level inputs, which supports installation with many aftermarket head units as well as systems using speaker-level signal connections. A wired remote bass control is included for convenient level adjustment from the listening position.\u003c\/p\u003e\u003cp\u003eThe GR1300.1 uses a Class AB amplifier design with a MOSFET PWM power supply and high-current dual discrete drive stages. Its variable low-pass crossover operates from 50 Hz to 250 Hz, allowing the subwoofer channel to be limited to an appropriate bass range. The frequency response is specified from 10 Hz to 250 Hz.\u003c\/p\u003e\u003cp\u003eFor bass tailoring, the amplifier includes an enhanced variable bass boost specified at up to +12 dB at 50 Hz. Input sensitivity is rated from 200 mV to 6 V, helping it accommodate a range of source-output levels. The amplifier is rated for 2-ohm operation and does not list a 1-ohm power rating.\u003c\/p\u003e\u003cp\u003eThe GR1300.1 can serve as the bass amplifier in a factory-system upgrade or a separate aftermarket subwoofer installation. Its 10.5 x 2.25 x 10.75-inch chassis is sized for installations where amplifier placement must be planned around available mounting space. Built-in overload, thermal, and short-circuit protection are included to help protect the amplifier during operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Output:\u003c\/strong\u003e A dedicated single channel for powering a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Design:\u003c\/strong\u003e Supports compatible 2-ohm subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the bass passband from 50 Hz to 250 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Control:\u003c\/strong\u003e Lets the user adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Signal Inputs:\u003c\/strong\u003e Accepts line-level and speaker-level input signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuitry:\u003c\/strong\u003e Includes overload, thermal, and short-circuit safeguards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GR1300.1 combines a Class AB circuit platform, MOSFET PWM power supply, and high-current dual discrete drive stages. Chrome-plated RCA, power, and speaker terminals support the connection points, while soft-start, muting, and LED power\/protection indication functions are built into the design. The compact chassis measures 10.5 inches wide, 2.25 inches high, and 10.75 inches deep.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a dry, securely mounted location with sufficient room for wiring and ventilation. Use it with a compatible 2-ohm or 4-ohm subwoofer load, connect either line-level or speaker-level signal input as appropriate, and set the low-pass crossover and bass boost to suit the subwoofer and enclosure. The amplifier operates from a negative-ground 12V DC vehicle electrical system and uses a 25A fuse rating.\u003c\/p\u003e","brand":"GRAVITY","offers":[{"title":"Default Title","offer_id":45624260296895,"sku":"704129646780","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71PN_B61hGL.jpg?v=1778533914"},{"product_id":"gravity-gr300-4-4-channels-car-audio-stereo-class-ab-amplifier-2-ohm-stable-1200-watts-peak-power-with-led-indicator-including-remote-level-control-bass-knob","title":"Gravity GR300.4 4-Channel Class AB Car Amplifier","description":"\u003cp\u003eThe Gravity GR300.4 is a four-channel Class AB car audio amplifier designed to add dedicated amplification to an upgraded speaker system. It can be used for front and rear door speakers, component speakers, or other full-range drivers in a 12-volt vehicle audio system. With four amplified channels, it offers a practical route beyond factory head-unit power.\u003c\/p\u003e\u003cp\u003eThis amplifier is rated for up to 300 watts per channel at 2 ohms and up to 150 watts per channel at 4 ohms, both specified at 1% THD. Its 2-ohm stereo stability gives installers flexibility when matching compatible speakers to the amplifier. The Class AB design is intended for full-range system applications where controlled, clean output is important.\u003c\/p\u003e\u003cp\u003eVariable high-pass and low-pass crossover controls help tailor the frequency range sent to connected speakers. The high-pass filter adjusts from 80 Hz to 1.2 kHz, while the low-pass filter adjusts from 50 Hz to 250 Hz. A variable bass boost of up to +12 dB at 50 Hz provides an additional tuning option when system design calls for more low-frequency emphasis.\u003c\/p\u003e\u003cp\u003eThe GR300.4 supports line-level and speaker-level inputs, allowing it to work with many aftermarket and factory-source systems. It also supports bridgeable and tri-mode operation for compatible system layouts. An included remote level-control knob provides a convenient way to adjust the assigned bass level from the listening position.\u003c\/p\u003e\u003cp\u003eProtection circuitry helps safeguard the amplifier against overload, thermal, and short-circuit conditions. Soft-start and muting functions are designed to reduce turn-on noise, while status indicators assist with system monitoring. The compact chassis can be integrated into a variety of vehicle installations when mounted with adequate ventilation and secure wiring.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Channel Class AB Design:\u003c\/strong\u003e Powers a full front-and-rear speaker arrangement from one amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stereo Stability:\u003c\/strong\u003e Supports compatible 2-ohm or 4-ohm stereo speaker loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Crossovers:\u003c\/strong\u003e Lets installers direct appropriate frequencies to connected speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Boost Control:\u003c\/strong\u003e Adds up to +12 dB at 50 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Input Options:\u003c\/strong\u003e Accepts line-level and speaker-level audio signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Protection:\u003c\/strong\u003e Helps protect against overload, heat, and short circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GR300.4 uses a compact amplifier chassis with chrome-plated RCA, power, and speaker terminals. Its Class AB circuit design includes high-current dual discrete drive stages, a MOSFET PWM power supply, soft-start operation, muting, and power\/protection indicators. These features support dependable daily use when the amplifier is installed and configured correctly.\u003c\/p\u003e\u003cp\u003eUse this amplifier in a negative-ground 12-volt vehicle electrical system and mount it securely in a dry, ventilated location. Match speaker wiring to the supported 2-ohm or 4-ohm stereo loads, set crossover points for the speakers being used, and connect either line-level or speaker-level inputs as appropriate for the source unit. The package includes the amplifier, remote bass control, and user manual.\u003c\/p\u003e","brand":"GRAVITY","offers":[{"title":"Default Title","offer_id":45625114689727,"sku":"704129656451","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71oOQyJ_FJL.jpg?v=1778538548"},{"product_id":"soundxtreme-car-amplifiers-st-2500-2-5000w-2-channels-class-ab-mosfet-amp-2-4-ohm-stable-with-remote-sub-control","title":"SoundXtreme ST-2500-2 2-Channel Class AB Car Amplifier","description":"\u003cp\u003eThe SoundXtreme ST-2500-2 is a 2-channel Class AB car audio amplifier designed for systems that need substantial output with adjustable crossover control. It can be used to power compatible full-range speakers or subwoofers, depending on system wiring and tuning. Its 2-ohm and 4-ohm operating capability gives installers flexibility when matching speakers to the amplifier.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to enthusiasts building a higher-output aftermarket audio system in a car, truck, RV, ATV, or similar 12-volt application. Separate high-pass and low-pass filter ranges help direct appropriate frequencies to the connected speakers. Variable gain adjustment also helps match the amplifier to the output level of the source unit.\u003c\/p\u003e\u003cp\u003eThe ST-2500-2 uses a Class AB MOSFET power supply design and is rated for up to 5,000 watts maximum output. Confirmed power figures are 2,500 watts per channel at 2 ohms and 1,250 watts per channel at 4 ohms, both specified at 1% THD. It is a stereo amplifier that can also be configured for bridgeable and tri-mode operation where the speaker setup supports it.\u003c\/p\u003e\u003cp\u003eFor signal management, the amplifier provides a continuously variable 12 dB\/octave high-pass crossover from 80 Hz to 1.2 kHz and a low-pass crossover from 50 Hz to 250 Hz. Its rated frequency response is 10 Hz to 30 kHz, supporting subwoofer-focused and full-range system applications. A remote subwoofer level control is included for convenient level adjustment from the listening position.\u003c\/p\u003e\u003cp\u003eThe ST-2500-2 fits into an upgrade path for systems that need more external amplification than a factory or aftermarket receiver can provide. Chrome-plated RCA connections, variable gain, LED status indicators, soft start, and muting functions support practical integration into a 12-volt car audio installation. Proper power wiring, fusing, speaker impedance, and gain setup are important for dependable operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Class AB Design:\u003c\/strong\u003e Provides stereo amplification for compatible speakers or subwoofers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Operation:\u003c\/strong\u003e Supports compatible 2-ohm and 4-ohm speaker loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Crossovers:\u003c\/strong\u003e HPF and LPF controls help tailor frequency output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Level Control:\u003c\/strong\u003e Lets the listener adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Gain Control:\u003c\/strong\u003e Helps match amplifier input level to the source unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus And Protection Indicators:\u003c\/strong\u003e LED lights provide at-a-glance operating feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier uses a metal chassis with a Class AB MOSFET PWM power supply architecture. Chrome-plated RCA and power\/speaker terminal connections are specified, while soft-start and muting functions are included as part of its operating design. The chassis measures 9.5 inches wide, 2.5 inches high, and 24.3 inches deep.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and use appropriately sized power, ground, speaker, and signal wiring for the installation. Set the gain only after the source unit and speakers are connected, then use the HPF or LPF controls to suit the speakers being powered. Verify final speaker impedance before wiring, as the amplifier is specified for 2-ohm and 4-ohm operation rather than 1-ohm operation.\u003c\/p\u003e","brand":"SOUNDXTREME","offers":[{"title":"Default Title","offer_id":45686876438719,"sku":"704129655614","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61_-DMid5KL.jpg?v=1780608198"},{"product_id":"soundxtreme-audio-system-st5000-1-monoblock-car-amplifier-5000-watt-amp-1-2-4-ohm-stable-class-a-b-mosfet-power-supply-remote-subwoofer-control-subwoofer-amplifier","title":"SoundXtreme ST-3600.1 Monoblock Car Amplifier","description":"\u003cp\u003eThe SoundXtreme ST-3600.1 is a monoblock car amplifier designed for powering a dedicated subwoofer system. Its single-channel layout focuses amplification on low-frequency reproduction, making it suitable for vehicle audio upgrades that need separate bass amplification. The amplifier is rated for stable operation with 1-, 2-, or 4-ohm speaker loads.\u003c\/p\u003e\u003cp\u003eWith a stated maximum output of 3600 watts at 1 ohm, the ST-3600.1 is intended for systems where subwoofer output and adjustable bass level are priorities. Its Class AB design provides a traditional amplifier platform for a dedicated bass channel. A variable gain control helps match the amplifier to the signal level of compatible source equipment.\u003c\/p\u003e\u003cp\u003eThe included remote subwoofer level control gives the driver a convenient way to adjust bass output from the listening position. This can be useful when music recordings, listening preferences, or road noise call for different low-frequency levels. The amplifier also includes LED power and protection indicators for at-a-glance operating status.\u003c\/p\u003e\u003cp\u003eInput adjustment is supported by a 200 mV to 6 V input-sensitivity range and a 22 kOhm input impedance. A variable low-pass filter from 50 Hz to 250 Hz lets the amplifier send an appropriate bass range to a connected subwoofer. Its specified 10 Hz to 30 kHz frequency response provides flexibility when integrating the amplifier into a vehicle audio system.\u003c\/p\u003e\u003cp\u003eThe ST-3600.1 uses chrome-plated RCA connections and is built in a compact amplifier chassis. It can serve as the bass section of a system with an aftermarket receiver, signal processor, and properly matched subwoofer enclosure. Select subwoofers and wiring according to their actual impedance, power-handling specifications, and the amplifier's installation requirements.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonoblock Configuration:\u003c\/strong\u003e Provides a dedicated amplification channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Operation:\u003c\/strong\u003e Supports 1-, 2-, and 4-ohm load configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3600W Maximum Output:\u003c\/strong\u003e Delivers stated maximum power at a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Level Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level conveniently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts bass-frequency output from 50 Hz to 250 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Protection Indicators:\u003c\/strong\u003e LED indicators show power and protection operating status.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-3600.1 is a Class AB monoblock amplifier with chrome-plated RCA connections, chrome-plated speaker terminals, variable gain control, and LED status indicators. Its listed product dimensions are 10.5 × 2.5 × 13.3 inches, helping it fit where a low-profile amplifier mounting location is available. The chassis is intended for surface mounting in a vehicle audio installation.\u003c\/p\u003e\u003cp\u003eInstall the amplifier securely in a ventilated location and use a subwoofer configuration that presents a supported 1-, 2-, or 4-ohm load. Connect a compatible low-level RCA signal source, set gain carefully, and use the low-pass filter to blend the subwoofer with the rest of the system. The included remote level control can be positioned within reach of the driver for routine bass adjustments.\u003c\/p\u003e","brand":"SOUNDXTREME","offers":[{"title":"Default Title","offer_id":45686933815487,"sku":"10618952480664","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81Gbvc3tBtL.jpg?v=1780609126"},{"product_id":"crunch-gp-3500-1d","title":"Crunch GP-3500.1D 3500W Monoblock Car Amplifier","description":"\u003cp\u003eThe Crunch GP-3500.1D Ground Pounder is a mono Class D car amplifier designed to power a subwoofer system. It provides a dedicated low-frequency amplification channel for vehicles whose factory or aftermarket audio system needs more bass output. Its compact chassis helps make a dedicated subwoofer upgrade practical in a wide range of vehicle installations.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a mono subwoofer stage rather than powering full-range speakers. Manufacturer-listed output is 875 watts at 4 ohms, 1,750 watts at 2 ohms, and 3,500 watts at 1 ohm. Select a subwoofer or subwoofer wiring configuration that presents a safe final impedance for the amplifier.\u003c\/p\u003e\u003cp\u003eThe GP-3500.1D uses a variable electronic crossover with a 12 dB-per-octave slope to help blend a subwoofer with the rest of the system. Its adjustable low-pass filtering and 10-40 Hz subsonic filter allow the bass range to be tailored to the enclosure and vehicle. A 0-180-degree phase adjustment can assist with system integration when bass response changes at the listening position.\u003c\/p\u003e\u003cp\u003eCrunch equips this model with a high-energy pulse-width-modulated power supply, SPEED-FET MOSFET output devices, and a QTD aluminum heat sink. These elements support the amplifier's Class D architecture while helping manage heat in a compact 11.5-inch-long chassis. Low-noise preamplifier circuitry is used for low-level source signals.\u003c\/p\u003e\u003cp\u003eThe GP-3500.1D can accept RCA low-level inputs or speaker-level inputs, making it suitable for many aftermarket and factory-radio upgrade paths. A wired bass remote is included for convenient bass adjustment from the cabin. It is a focused solution for adding a dedicated subwoofer amplifier to a car audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Provides one dedicated channel for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports manufacturer-rated operation down to a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps set the subwoofer's operating range within the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Subsonic Filter:\u003c\/strong\u003e Offers 10-40 Hz filtering for enclosure-aware setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA And Speaker-Level Inputs:\u003c\/strong\u003e Supports aftermarket radios and many factory-audio integration paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Allows convenient bass-level adjustment from the driver's area.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-3500.1D has a black-and-red aluminum QTD heat-sink design with nickel-plated brass connection terminals and screw-down connectors. Its Class D layout, SPEED-FET MOSFET output technology, and pulse-width-modulated power supply are engineered for subwoofer amplification in a relatively compact footprint. LED diagnostics provide visual indication for overload and speaker-short protection.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a location with adequate ventilation and do not install it upside down. Use 4 AWG cable at the power and ground terminals, up to 12 AWG speaker wire at the speaker terminals, and the specified 30A x 2 fuse arrangement. Connect by RCA or speaker-level input as appropriate, set the low-pass, subsonic, phase, and bass controls conservatively, and verify that the final subwoofer load is no lower than 1 ohm.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760001409215,"sku":"GP-3500-1D","price":87.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/617dUPLK40L_2290ac2b-4de3-4588-ac63-b96ff16bc20e.jpg?v=1782105003"},{"product_id":"crunch-gp-2500-1","title":"Crunch GP-2500.1 2500W Monoblock Car Amplifier","description":"\u003cp\u003eThe Crunch GP-2500.1 Ground Pounder is a single-channel car audio amplifier designed to power a subwoofer system. It provides one amplified output channel and supports subwoofer-focused tuning controls. This makes it a practical choice for adding dedicated low-frequency amplification to a vehicle audio system.\u003c\/p\u003e\u003cp\u003eIts rated output is listed at 1 x 1,250 watts at 4 ohms and 1 x 2,500 watts at 2 ohms. The mono configuration is intended for a single subwoofer or a properly wired group of subwoofers. Matching the final speaker load to the amplifier's supported power ratings is important during system planning.\u003c\/p\u003e\u003cp\u003eThe GP-2500.1 uses a Class A\/B amplifier design with Crunch SPEED-FET MOSFET output devices and a pulse-width-modulated power supply. A low-noise preamplifier circuit is used at the signal input stage. Together, these features support a subwoofer amplifier layout with adjustable bass-system controls.\u003c\/p\u003e\u003cp\u003eFor tuning, the amplifier includes a variable electronic 12 dB-per-octave crossover, a 10-40 Hz subsonic filter, phase adjustment, and selectable bass boost. These controls help integrate the subwoofer with the rest of the system and tailor its operating range. A wired bass remote is included for accessible adjustment from the vehicle cabin.\u003c\/p\u003e\u003cp\u003eThe amplifier accepts low-level RCA signals as well as high-level speaker inputs for systems without RCA outputs. This allows it to work with many aftermarket and factory-style source units when installed with the appropriate wiring. Its RCA output can also pass signal onward to a second amplifier.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Output:\u003c\/strong\u003e Single-channel design for dedicated subwoofer amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Power Rating:\u003c\/strong\u003e Delivers 1 x 2,500 watts at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Crossover:\u003c\/strong\u003e 12 dB-per-octave electronic filtering supports system tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjustable 10-40 Hz filter helps manage very low frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Inputs:\u003c\/strong\u003e Connects to source units without RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Provides convenient in-vehicle bass-level adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GP-2500.1 has a black and red chassis with a QTD aluminum heat sink for thermal dispersion. Nickel-plated brass terminals are paired with screw-down connectors for the power, ground, and speaker connections. LED diagnostic indicators provide visual monitoring for overload and speaker-short protection.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely on a surface with adequate ventilation, and do not mount it upside down. The manufacturer specifies 4 AWG power and ground terminals, 12 AWG speaker terminals, and two 30A fuses. Use RCA inputs where available, or use the supplied high-level-input harness with a source unit that lacks RCA outputs.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760002883775,"sku":"GP-2500-1","price":71.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61RDzQwyfEL.jpg?v=1782105005"},{"product_id":"crunch-dr-2725-1d","title":"Crunch DR-2725.1D Mono Block Subwoofer Amplifier","description":"\u003cp\u003eThe Crunch DR-2725.1D is a compact mono Class D amplifier designed to power a dedicated subwoofer system in a vehicle. It provides a single-channel platform for adding bass without requiring a large multi-channel amplifier. With output ratings at 2- and 4-ohm loads, it is suited to systems built around compatible subwoofer wiring.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners who want dedicated low-frequency reinforcement while retaining adjustment over how the subwoofer integrates with the rest of the audio system. Its variable low-pass crossover, subsonic filter, and bass control help tailor the bass range to the enclosure, subwoofer, and front speakers. A wired bass remote provides convenient level adjustment from the cabin.\u003c\/p\u003e\u003cp\u003eThe DR-2725.1D uses Class D topology and a pulse-width-modulated power supply for an efficient, space-conscious bass amplifier design. Crunch also specifies proprietary SPEED-FET MOSFET output components and a low-noise preamplifier circuit. These elements are paired with RCA signal inputs and adjustable input sensitivity for connection to a compatible source unit.\u003c\/p\u003e\u003cp\u003eThermal management is addressed with Crunch Quick Thermal Dispersion technology and an aluminum heat sink. The amplifier also includes LED protection diagnostics for overload and speaker-short monitoring. Its selectable logo illumination can be set to VU-meter operation, constant red, or off.\u003c\/p\u003e\u003cp\u003eAt just over eight inches long, the DR-2725.1D can fit into many amplifier mounting locations when ventilation and secure mounting are planned correctly. It is a mono-only amplifier, making it a focused choice for a subwoofer channel rather than full-range speakers. Pair it with a properly wired 2- or 4-ohm subwoofer load, suitable power wiring, and an externally fused battery connection.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Delivers dedicated amplification for a subwoofer channel in a compact chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Output:\u003c\/strong\u003e Supports compatible 2-ohm and 4-ohm subwoofer configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the subwoofer cutoff from 40Hz to 300Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Provides adjustable filtering from 10Hz to 40Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Lets you adjust bass level from the driver area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQTD Aluminum Heat Sink:\u003c\/strong\u003e Helps manage heat during normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-2725.1D has a black V-DRIVE-series chassis with an aluminum QTD heat sink, nickel-plated brass terminals, screw-down connections, and an LED logo display. The front lighting offers VU-meter, constant-red, and off modes. An end-panel LED VU meter and protection indicators provide visual status during setup and use.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely on a surface with adequate airflow and do not install it upside down. Use 4 AWG cable at the +12V and ground terminals, 8 GA speaker wire at the speaker terminals, and an external 100A fuse placed near the battery connection. Connect a compatible RCA source signal, set gain carefully, and match the final subwoofer load to the amplifier's 2-ohm minimum operating impedance.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760004423871,"sku":"DR-2725-1D","price":70.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71tGIiPzbqL.jpg?v=1782105006"},{"product_id":"crunch-dr-1325-1","title":"Crunch DR-1325.1 V-Drive Mono Subwoofer Amplifier","description":"\u003cp\u003eThe Crunch DR-1325.1 is a V-Drive mono car amplifier made to power a subwoofer system from a compact chassis. It provides one amplified channel for a dedicated bass speaker, helping add low-frequency output to an aftermarket audio system. Its 2-ohm-stable design supports common single-subwoofer and multi-subwoofer wiring configurations that present a safe final load.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a subwoofer-focused system who want adjustable bass tuning rather than a full-range multi-channel amplifier. It offers up to 1 x 1,325 watts at 2 ohms and 1 x 650 watts at 4 ohms, as listed by the manufacturer. Because it is mono only, it is designed for subwoofer duty rather than powering separate left and right speakers.\u003c\/p\u003e\u003cp\u003eThe DR-1325.1 uses a Class A\/B circuit with proprietary Crunch SPEED-FET MOSFET output components. A low-noise preamplifier circuit, variable input sensitivity, and adjustable low-pass filtering help integrate the amplifier with an aftermarket or factory-compatible audio source. The onboard bass control, bass boost, and subsonic filter provide useful adjustment points when tuning a subwoofer enclosure.\u003c\/p\u003e\u003cp\u003eQuick Thermal Dispersion technology uses an aluminum heat sink to manage operating heat during normal music playback. The amplifier also uses a pulse-width-modulated power supply and nickel-plated brass terminals for its power and speaker connections. LED protection diagnostics are included to indicate overload or speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eFor everyday use, the included wired bass remote places bass-level adjustment within reach of the driver. The built-in LED VU meter can assist with gain adjustment, while the selectable logo lighting can be set to constant red, VU meter operation, or off. It is a practical choice for adding a dedicated powered subwoofer stage to a vehicle audio upgrade.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Channel:\u003c\/strong\u003e Delivers one dedicated channel for a bass speaker system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm Stable Output:\u003c\/strong\u003e Supports a final speaker load down to 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Tunes the upper bass cutoff from 40 Hz to 300 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjusts low-frequency filtering from 10 Hz to 40 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Allows convenient bass-level adjustment from the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Logo Lighting:\u003c\/strong\u003e Offers red, VU meter, or off illumination modes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DR-1325.1 has a black V-Drive chassis with a QTD aluminum heat sink, LED VU meter, illuminated protection indicators, and screw-down connection points. Its nickel-plated brass terminals are designed for secure, corrosion-resistant power and speaker connections. The compact amplifier measures 8.0 inches long, 5.83 inches wide, and 2.2 inches high.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a ventilated location and do not mount it upside down. Use 4 AWG cable for the 12V and ground connections, use an externally fused power lead with a 60A fuse, and use up to 8 AWG speaker wire at the amplifier terminals. Connect a compatible RCA signal source, set gain from minimum during initial setup, and ensure the final subwoofer load is not lower than 2 ohms.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760006717631,"sku":"DR-1325-1","price":61.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71S4AMkVDWL.jpg?v=1782105013"},{"product_id":"crunch-gp-1500-1","title":"Crunch GP-1500.1 1500W Monoblock Car Amplifier","description":"\u003cp\u003eThe Crunch GP-1500.1 Ground Pounder is a single-channel car amplifier designed to power a dedicated subwoofer system. Its mono configuration concentrates amplifier output on low-frequency reproduction rather than full-range speaker channels. It is intended for vehicle audio upgrades that need separate amplification for bass.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners building a subwoofer-focused system with either an aftermarket or compatible factory audio source. RCA inputs support conventional aftermarket head-unit connections, while speaker-level inputs provide an integration option when RCA outputs are unavailable. A wired bass remote is included for in-vehicle adjustment of the low-frequency level.\u003c\/p\u003e\u003cp\u003eCrunch lists the GP-1500.1 at 1 x 750 watts at 4 ohms and 1 x 1500 watts at 2 ohms. The amplifier operates in mono only and is specified for 2-ohm or 4-ohm speaker loads. Its 10 Hz to 500 Hz frequency response and adjustable filtering are tailored to subwoofer duty.\u003c\/p\u003e\u003cp\u003eBuilt-in tuning controls allow the installation to be matched to the subwoofer and the rest of the sound system. The variable electronic crossover uses a 12 dB-per-octave slope, while the subsonic filter is adjustable from 10 Hz to 40 Hz. Bass boost is switchable between 0, +6, and +12 dB, and phase adjustment covers 0 to 180 degrees.\u003c\/p\u003e\u003cp\u003eThe GP-1500.1 uses Crunch SPEED-FET MOSFET output components, a pulse-width-modulated power supply, and an aluminum QTD heat sink. It can serve as the bass amplifier in a system that retains factory audio or adds an aftermarket receiver. Proper power wiring, grounding, fusing, and a subwoofer load compatible with the amplifier's published ratings are essential for installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Amplifier:\u003c\/strong\u003e Uses one channel for dedicated low-frequency speaker operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2- and 4-Ohm Ratings:\u003c\/strong\u003e Published power ratings support common subwoofer wiring configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Helps set the frequency range sent to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Subsonic Filter:\u003c\/strong\u003e Limits ultra-low frequencies from 10 Hz to 40 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Supports RCA sources and compatible factory speaker-level signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Provides convenient bass-level adjustment from the driver's seat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe amplifier has a black and red finish with an aluminum heat sink using Crunch Quick Thermal Dispersion Technology. It uses nickel-plated brass terminals and screw-down connectors for its electrical and speaker connections. LED diagnostic indicators monitor overload and speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a solid surface with ventilation around the heat sink and away from excess heat or moisture. Use 4 AWG power and ground wiring at the amplifier terminals, 12 AWG speaker wire at the speaker terminals, and the specified two 25A fuses. Connect a subwoofer system with a final nominal impedance of 2 or 4 ohms, then set gain, crossover, subsonic filter, phase, and bass boost conservatively during setup.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760011239615,"sku":"GP-1500-1","price":69.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61LB-R5r5DL_756c559a-ee12-4068-8781-36049a769971.jpg?v=1782105031"},{"product_id":"crunch-sa-1100-1","title":"Crunch SA-1100.1 Smash Series Monoblock Class AB Amplifier","description":"\u003cp\u003eThe Crunch SA-1100.1 is a Smash Series monoblock car audio amplifier designed to add dedicated low-frequency amplification to a vehicle sound system. Its single-channel configuration is intended for subwoofer duty rather than full-range multi-speaker amplification. It provides rated output of 195 watts RMS x 1 at 2 ohms or 120 watts RMS x 1 at 4 ohms.\u003c\/p\u003e\u003cp\u003eThis amplifier suits listeners building a straightforward bass upgrade with one subwoofer or a properly wired subwoofer group. It operates in mono only and is rated stable down to a 2-ohm load. High-level inputs also allow it to work with many factory or aftermarket radios that do not provide RCA preamp outputs.\u003c\/p\u003e\u003cp\u003eThe SA-1100.1 uses a Class A\/B circuit topology with Crunch SPEED-FET MOSFET output components and a pulse-width-modulated power supply. Its low-noise preamplifier circuit is designed to accept the source signal before amplification. A variable input sensitivity range of 0.2 to 9 volts helps match the amplifier to different source-unit output levels.\u003c\/p\u003e\u003cp\u003eSystem tuning tools include a variable electronic crossover with a 12 dB-per-octave slope, a 40 to 300 Hz low-pass filter, and a 10 to 40 Hz subsonic filter. Switchable bass boost offers 0, +6, or +12 dB settings, while selectable phase adjustment provides 0 or 180 degrees. A wired bass remote is included for adjusting bass level from the cabin.\u003c\/p\u003e\u003cp\u003eFor an upgrade path, the SA-1100.1 can be used as the dedicated bass amplifier alongside a separate amplifier for door speakers. Its 10 to 500 Hz frequency response and low-pass filtering support integration with higher-frequency speakers. RCA and speaker-level input options provide flexibility when planning either an aftermarket-radio or factory-radio installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Subwoofer Output:\u003c\/strong\u003e Single-channel design focuses amplification on a bass speaker system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Ohm RMS Rating:\u003c\/strong\u003e Delivers 195 watts RMS x 1 at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the upper bass cutoff from 40 to 300 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjustable 10 to 40 Hz filtering helps manage very low frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Input Options:\u003c\/strong\u003e RCA and high-level inputs support varied source units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Bass Remote:\u003c\/strong\u003e Lets you adjust bass level from the listening position.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe SA-1100.1 has a QTD aluminum heat sink intended to disperse heat, along with nickel-plated brass connection terminals. Screw-down connectors provide tool-accessible cable attachment points. LED diagnostic circuitry monitors overload and speaker-short protection conditions.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a dry, ventilated location and avoid mounting it upside down. The 12-volt and ground terminals accept up to 4 AWG cable, while the speaker terminals accept up to 12 AWG wire. Use either RCA or supplied-harness high-level signal wiring, match the connected subwoofer load to the amplifier's 2- or 4-ohm ratings, and set gain and filters during final system tuning.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760016810175,"sku":"SA-1100-1","price":55.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61o-dw7DiqL.jpg?v=1782105039"},{"product_id":"crunch-sa-2100-1","title":"Crunch SA-2100.1 Smash Series Monoblock Class AB Amplifier","description":"\u003cp\u003eThe Crunch SA-2100.1 Smash Series is a one-channel Class AB car amplifier designed to power a subwoofer system. It provides a dedicated mono output for drivers who want to add low-frequency reinforcement without using a multi-channel amplifier. RMS output is rated at 425 watts at 2 ohms or 285 watts at 4 ohms.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for vehicle audio systems using a compatible 2-ohm or 4-ohm subwoofer load. Its mono-only configuration keeps setup focused on bass reproduction, while the built-in bass control provides an accessible way to adjust output from the listening position. A wired bass remote is included.\u003c\/p\u003e\u003cp\u003eThe SA-2100.1 uses a variable electronic crossover with a 12 dB-per-octave slope to help tailor the amplifier for a subwoofer application. A variable subsonic filter from 10 to 40 Hz helps limit very low-frequency content. Switchable bass boost and phase adjustment add further tuning flexibility.\u003c\/p\u003e\u003cp\u003eFor signal integration, the amplifier provides RCA inputs as well as high-level speaker inputs for systems that do not have RCA preamp outputs. Its 0.2 to 9V variable input-voltage range supports matching the amplifier to different source-unit signal levels. The frequency response is specified from 10 Hz to 500 Hz.\u003c\/p\u003e\u003cp\u003eCrunch equips the SA-2100.1 with SPEED-FET MOSFET output components, a pulse-width-modulated power supply, and QTD aluminum heat-sink technology. Nickel-plated brass terminals are used for the power and speaker connections. LED protection diagnostics monitor overload and speaker-short conditions.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class AB Output:\u003c\/strong\u003e Delivers dedicated amplification for a compatible subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e425W RMS at 2 Ohms:\u003c\/strong\u003e Provides its highest listed continuous output into a 2-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Electronic Crossover:\u003c\/strong\u003e Lets you tailor the amplifier's frequency filtering for bass duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter:\u003c\/strong\u003e Adjustable 10-40 Hz filtering helps manage ultra-low-frequency content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Remote Included:\u003c\/strong\u003e Gives you convenient wired adjustment of bass level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA and High-Level Inputs:\u003c\/strong\u003e Supports aftermarket radios and factory-radio integration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe SA-2100.1 combines a Class AB amplifier platform with a QTD aluminum heat sink intended to disperse heat during operation. SPEED-FET MOSFET components and a pulse-width-modulated power supply are part of its power-stage design. Nickel-plated brass connection terminals are specified for corrosion resistance and secure cable attachment.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with adequate ventilation and do not mount it upside down. Installation requires 4-gauge power and ground wiring, while the speaker terminal accepts 12-gauge wire. Match the connected subwoofer system to a supported 2-ohm or 4-ohm load, then set gain, crossover, subsonic filter, bass boost, and phase appropriately for the system.\u003c\/p\u003e","brand":"CRUNCH","offers":[{"title":"Default Title","offer_id":45760018120895,"sku":"SA-2100-1","price":87.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/619a1t_z62L.jpg?v=1782105041"},{"product_id":"kenwood-kac-d5101","title":"Kenwood KAC-D5101 Class D Mono Car Amplifier","description":"\u003cp\u003eThe Kenwood KAC-D5101 is a compact Class D mono amplifier designed to add dedicated subwoofer power to a vehicle audio system. It delivers 300 watts RMS to a 4-ohm load or 500 watts RMS to a 2-ohm load, giving installers practical options for matching a compatible subwoofer configuration. Its mono-channel design focuses on low-frequency reinforcement rather than full-range speaker amplification.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to drivers who want stronger bass from an aftermarket subwoofer while keeping the installation footprint manageable. The compact chassis measures 6-11\/16 inches wide, 2-3\/16 inches high, and 7-3\/8 inches deep. That size can be useful for under-seat, cargo-area, or concealed amplifier locations where mounting space is limited.\u003c\/p\u003e\u003cp\u003eThe KAC-D5101 uses a variable low-pass filter to direct bass frequencies to the connected subwoofer. Its adjustable bass boost operates at 40 Hz, allowing measured low-frequency adjustment when system tuning calls for it. A 20 Hz to 200 Hz frequency response supports its role as a dedicated bass amplifier.\u003c\/p\u003e\u003cp\u003eKenwood's Dual Sigma Drive negative-feedback circuit is designed to improve damping factor and help control unwanted subwoofer movement. The amplifier also uses a Power MOS-FET switching power supply for its Class D platform. Together, these design elements support controlled low-frequency operation in a compact mono amplifier.\u003c\/p\u003e\u003cp\u003eInstallation flexibility includes RCA line-level input and speaker-level input capability. Signal sensing turn-on can help the amplifier work with systems that do not provide a conventional remote-turn-on lead. With support for 2-ohm through 8-ohm speaker loads, it can be integrated into a range of properly wired subwoofer systems.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Dedicated single-channel amplification for a subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500W RMS at 2 Ohms:\u003c\/strong\u003e Supplies substantial continuous power to compatible 2-ohm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the bass frequency range sent to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 Hz Bass Boost:\u003c\/strong\u003e Provides adjustable low-frequency boost from 0 to +18 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker-Level Input:\u003c\/strong\u003e Supports connection to compatible factory-radio speaker outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Sensing Turn-On:\u003c\/strong\u003e Can switch on when it detects an input signal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe KAC-D5101 uses an extruded aluminum heat-sink design and a compact rectangular chassis. Its battery and ground connections use M6 screw-type terminal blocks, while the speaker output uses an M4 screw-type terminal block. Two 30-amp fuses are fitted for circuit protection.\u003c\/p\u003e\u003cp\u003eFor installation, mount the amplifier securely in a ventilated location and use a properly fused 12-volt vehicle power connection. Connect a subwoofer system with a final impedance between 2 and 8 ohms, then set input sensitivity, low-pass filter frequency, and bass boost to suit the source unit and subwoofer. RCA input is available for aftermarket source units, while speaker-level input and signal sensing are useful for compatible factory-system upgrades.\u003c\/p\u003e","brand":"KENWOOD","offers":[{"title":"Default Title","offer_id":45766405030079,"sku":"KAC-D5101","price":126.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/6197v7SI25L.jpg?v=1782245927"},{"product_id":"kenwood-kac-9106d","title":"Kenwood KAC-9106D 2000W Class D Mono Car Amplifier","description":"\u003cp\u003eThe Kenwood KAC-9106D is a mono Class D power amplifier designed to add dedicated subwoofer amplification to a vehicle audio system. It provides a rated 500 watts RMS at 4 ohms or 1,000 watts RMS at 2 ohms, giving compatible subwoofers the power needed for stronger low-frequency output. Its single-channel layout is intended for a subwoofer system rather than full-range speakers.\u003c\/p\u003e\u003cp\u003eThis amplifier is a practical choice for listeners upgrading a factory or aftermarket stereo with a powered bass section. RCA line inputs support aftermarket receivers with preamp outputs, while the speaker-level input supports connection to systems without RCA outputs. Signal-sensing turn-on can simplify integration when using a speaker-level signal.\u003c\/p\u003e\u003cp\u003eThe KAC-9106D is engineered around a Class D amplifier platform and a MOS-FET switching power supply. Its adjustable low-pass filter helps limit output to bass frequencies, while the variable infrasonic filter can reduce reproduction below a selected frequency. A variable 40 Hz bass boost control allows additional adjustment of low-bass emphasis.\u003c\/p\u003e\u003cp\u003eFor system matching, the amplifier supports speaker loads from 2 to 8 ohms. A 2-ohm final subwoofer load allows the amplifier to deliver its 1,000-watt RMS rating, while a 4-ohm load is rated for 500 watts RMS. Careful subwoofer wiring and power handling matching are important before installation.\u003c\/p\u003e\u003cp\u003eThe compact chassis measures just over 13 inches wide and uses a cast aluminum heat-sink design for heat dissipation. Nickel-plated screw terminals provide dedicated battery, ground, and speaker connections, and RCA line output terminals can pass signal to an additional amplifier. It is a focused bass-amplifier upgrade for systems needing controlled subwoofer power and flexible input options.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Design:\u003c\/strong\u003e Delivers dedicated power for a compatible subwoofer system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,000W RMS at 2 Ohms:\u003c\/strong\u003e Supports higher-output bass systems with a 2-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts the upper bass cutoff from 50 to 200 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Infrasonic Filter:\u003c\/strong\u003e Filters frequencies from 20 to 50 Hz below the selected point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker-Level Input:\u003c\/strong\u003e Allows connection to systems without RCA preamp outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-Sensing Turn-On:\u003c\/strong\u003e Can activate the amplifier from a speaker-level signal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe KAC-9106D uses a cast aluminum heat sink and a compact Class D chassis measuring 13-3\/16 inches wide, 2-3\/16 inches high, and 7-9\/16 inches deep. It includes nickel-plated screw-type terminal blocks for battery, ground, and speaker connections, plus a terminal cover. The amplifier is rated for operation from 11 to 16 volts, with a nominal 14.4-volt vehicle electrical system.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a secure location with ventilation and route power, ground, signal, and speaker wiring safely away from moving parts and heat sources. Use either the RCA input or the speaker-level input according to the source unit, then set input sensitivity and filters for the connected subwoofer system. The amplifier accepts a 2- to 8-ohm speaker load; do not wire a final load below 2 ohms.\u003c\/p\u003e","brand":"KENWOOD","offers":[{"title":"Default Title","offer_id":45766411616447,"sku":"KAC-9106D","price":211.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81CTuBDlTlL_cd362075-824c-458c-bf6c-c9ce7214477a.jpg?v=1782246030"},{"product_id":"kenwood-kac-m5001","title":"Kenwood KAC-M5001 Compact Mono Marine Amplifier","description":"\u003cp\u003eThe Kenwood KAC-M5001 is a compact mono Class D amplifier designed to add dedicated subwoofer power to cars, boats, and other outdoor audio systems. It supplies up to 300 watts RMS at 2 ohms or 200 watts RMS at 4 ohms for a single subwoofer channel. Its compact sealed format helps solve the challenge of adding bass where installation space and environmental exposure are concerns.\u003c\/p\u003e\u003cp\u003eThis amplifier is suited to listeners building a modest subwoofer system in a vehicle or marine application. Its mono design focuses its output on low-frequency reproduction, with a variable low-pass filter and selectable bass-boost frequency for system tuning. A wired level control is included so the subwoofer output can be adjusted from a convenient mounting location.\u003c\/p\u003e\u003cp\u003eThe KAC-M5001 uses Class D amplification for efficient subwoofer power in a small chassis. Kenwood specifies a 20 Hz to 200 Hz frequency response, a 20 Hz infrasonic filter, and a low-pass filter adjustable from 50 Hz to 200 Hz. Polymer multi-layer capacitors in the LC filter circuit and magnetic shielding around the output coils are designed to support clean bass performance with reduced radiated noise.\u003c\/p\u003e\u003cp\u003eFor harsh environments, the amplifier has IP67\/IP66 waterproof and dustproof certification, along with ASTM B117 salt-spray testing for the main amplifier unit. Its sealed cast-aluminum chassis incorporates a thick die-cast frame and raised drain tunnel to help manage vibration and moisture. The included remote level control is also waterproof and UV resistant.\u003c\/p\u003e\u003cp\u003eInstallation options support both aftermarket and factory-style audio systems. RCA line input is provided for compatible receivers, while speaker-level input can accept an audio signal from systems without RCA outputs. Signal-sensing turn-on can activate the amplifier when it detects an incoming audio signal, making it a practical addition to an expanded Kenwood or third-party subwoofer system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class D Output:\u003c\/strong\u003e Delivers 200 watts RMS at 4 ohms or 300 watts RMS at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67\/IP66 Protection:\u003c\/strong\u003e Sealed construction supports use in wet, dusty, and outdoor environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts from 50 Hz to 200 Hz for subwoofer integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker-Level Input:\u003c\/strong\u003e Connects to audio systems that do not provide RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-Sensing Turn-On:\u003c\/strong\u003e Powers on when an incoming audio signal is detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Level Control:\u003c\/strong\u003e Provides accessible adjustment of subwoofer volume from the included remote.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe KAC-M5001 uses a corrosion-resistant sealed cast-aluminum chassis with a thick die-cast frame, terminal cover, rubber fuse cover, and drain tunnel. Metal power studs are used to support high-current battery connections, while the main unit and DC cable are rated for waterproof and dustproof use. Its compact enclosure measures 7-13\/16 inches wide, 1-15\/16 inches high, and 4-1\/8 inches deep.\u003c\/p\u003e\u003cp\u003eMount the amplifier securely in a location that accommodates its pigtail wiring and avoids sharp bends or pinched cables. Connect a compatible 2- to 8-ohm subwoofer load through the parallel speaker-output leads, then use either the RCA line input or speaker-level input according to the source unit. Set the low-pass filter, infrasonic filter, bass boost, and wired level control to blend the subwoofer with the rest of the audio system.\u003c\/p\u003e","brand":"KENWOOD","offers":[{"title":"Default Title","offer_id":45766487376063,"sku":"KAC-M5001","price":193.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71H8lfcGxrL.jpg?v=1782247702"},{"product_id":"rockford-fosgate-pm500x1bd","title":"Rockford Fosgate PM500X1bd 500W Mono Marine Amplifier","description":"\u003cp\u003eThe Rockford Fosgate PM500X1bd is a marine-grade mono amplifier designed to supply dedicated bass power in boats, powersports vehicles, and other 12-volt systems. It delivers continuous power for a subwoofer or mid-bass section without requiring a full-range multi-channel amplifier. Its compact chassis helps make it practical for systems where available mounting space is limited.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a focused low-frequency system with compatible subwoofers or mid-bass drivers. It produces 150 watts RMS at 4 ohms, 300 watts RMS at 2 ohms, and 500 watts RMS at 1 ohm. The 1-ohm capability supports flexible wiring options when using multiple voice-coil subwoofers.\u003c\/p\u003e\u003cp\u003eThe PM500X1bd uses Rockford Fosgate Class BD circuitry, which is engineered for efficient low-frequency amplification. Its dedicated 20 Hz to 250 Hz frequency response, adjustable low-pass crossover, and fixed infrasonic filter help tailor the amplifier for bass duty. An onboard Punch EQ2 bass control provides adjustment at 45 Hz when a system needs additional low-bass emphasis.\u003c\/p\u003e\u003cp\u003eFor integration with factory or aftermarket audio systems, the amplifier accepts either high-level or low-level input through one RCA input pair. The high-level input includes an auto turn-on circuit, while RCA pass-through outputs can feed another amplifier in a larger system. Rockford Fosgate C.L.E.A.N. setup circuitry uses input and output clip indicators to assist with gain adjustment.\u003c\/p\u003e\u003cp\u003eBuilt for marine and motorsport use, the PM500X1bd uses a conformal-coated circuit board, marine-grade two-part epoxy board coating, stainless-steel hardware, and a cast-aluminum heatsink. It is a suitable foundation for a dedicated subwoofer upgrade, whether powering one properly wired subwoofer or a multi-sub configuration that maintains a safe 1-ohm-or-higher load. An optional PLC2 Punch Level Control can be added for convenient bass-level adjustment.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e500-Watt Mono Output:\u003c\/strong\u003e Delivers up to 500 watts RMS into a 1-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass BD Circuitry:\u003c\/strong\u003e Provides efficient amplification for dedicated bass frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Grade Construction:\u003c\/strong\u003e Coated circuit boards and stainless hardware support exposed installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Setup:\u003c\/strong\u003e Clip LEDs help set gain with visual feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Pass And Infrasonic Filters:\u003c\/strong\u003e Focus output on appropriate subwoofer and mid-bass frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Auto Turn-On:\u003c\/strong\u003e Connects to systems without dedicated RCA outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe PM500X1bd combines a cast-aluminum heatsink with convection cooling, a stealth top-mounted control panel, and marine-grade stainless-steel hardware. Its circuit board has conformal and two-part epoxy coatings intended for marine and motorsport environments. Power, ground, and speaker connections use captive C-clamp terminals.\u003c\/p\u003e\u003cp\u003eMount the amplifier in a secure location with ventilation and within reach of the vehicle or vessel's 12-volt electrical system. Use 4 AWG power wiring, an 80-amp external fuse, and speaker wire from 8 AWG to 18 AWG as appropriate for the installation. Match the final speaker wiring load to the amplifier rating, keep it at 1 ohm or higher, and use the crossover, infrasonic filter, and C.L.E.A.N. indicators when setting the system.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45767998537919,"sku":"PM500X1BD","price":378.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71vWO-7b7uL.jpg?v=1782270257"},{"product_id":"rockford-fosgate-p300x1","title":"Rockford Fosgate P300X1 Mono Car Amplifier","description":"\u003cp\u003eThe Rockford Fosgate Punch P300X1 is a compact full-range mono car amplifier designed to add dedicated power where a factory or aftermarket receiver cannot supply enough output. It delivers up to 300 watts RMS to a 2-ohm load, making it well suited to a single subwoofer system or a dedicated center-channel application. Its small chassis helps solve installation-space challenges in cars, trucks, and other vehicles with limited mounting room.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a focused bass upgrade or adding a mono channel to a broader custom audio system. With 200 watts RMS at 4 ohms and 300 watts RMS at 2 ohms, it supports practical power matching for compatible speakers or subwoofers. The full-range frequency response also gives installers flexibility beyond a conventional low-frequency-only amplifier role.\u003c\/p\u003e\u003cp\u003eThe P300X1 uses Class A\/B circuitry and a 12 dB\/octave Butterworth crossover network for adjustable system tuning. Selectable high-pass, low-pass, and all-pass operation allows it to be configured around the speaker's role in the system. An on-board Punch EQ provides adjustable bass boost centered at 45 Hz when used in the applicable crossover modes.\u003c\/p\u003e\u003cp\u003eFor signal integration, the amplifier accepts high- or low-level audio signals through its RCA input connection, reducing the need for a separate line-output converter in many installations. RCA pass-through outputs can help route signal onward to additional amplifiers. C.L.E.A.N. setup capability and clip-status indicators support more controlled gain adjustment during installation.\u003c\/p\u003e\u003cp\u003eThe P300X1 fits naturally into an upgrade path that begins with a factory stereo and expands to include an amplified subwoofer, center speaker, or additional amplifiers. Its optional Punch Level Control compatibility provides a convenient way to adjust output level from a remote mounting location. Protection circuitry, convection cooling, and a cast-aluminum heatsink support dependable operation when installed and wired correctly.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300-Watt Mono Output:\u003c\/strong\u003e Supplies 300 watts RMS into a compatible 2-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Range Operation:\u003c\/strong\u003e Supports subwoofer or dedicated center-channel amplifier duties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh\/Low-Level Inputs:\u003c\/strong\u003e Integrates with many factory and aftermarket audio sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Butterworth Crossovers:\u003c\/strong\u003e Helps tailor the signal for the connected speaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePunch EQ:\u003c\/strong\u003e Adds adjustable bass emphasis at 45 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Setup:\u003c\/strong\u003e Clip indicators help guide gain-setting adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe P300X1 uses a compact chassis measuring 2.38 by 7.76 by 9.86 inches, with a cast-aluminum heatsink and convection cooling design. Its stealth top-mounted control panel keeps adjustments accessible while maintaining a clean installed appearance. Power, protection, thermal, input-clip, and output-clip LED indicators provide at-a-glance operating status.\u003c\/p\u003e\u003cp\u003eUse this amplifier with a properly wired 2-ohm or 4-ohm speaker load and an appropriately matched subwoofer or center-channel speaker. It requires external power, ground, remote-turn-on, signal, and speaker wiring; Rockford Fosgate specifies 8 AWG to 4 AWG power wire, 8 AWG to 18 AWG speaker wire, and a 50-amp fuse that is not included. For low-frequency use, select the low-pass crossover and set gain and Punch EQ conservatively during system tuning.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768001159359,"sku":"P300X1","price":221.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71Z8hIrVv2L.jpg?v=1782270306"},{"product_id":"rockford-fosgate-r2-250x1","title":"Rockford Fosgate R2-250X1 250W Class-D Mono Amplifier","description":"\u003cp\u003eThe Rockford Fosgate Prime R2-250X1 is a compact mono amplifier designed to add dedicated subwoofer power to a car audio system. It delivers 150 watts RMS at 4 ohms or 250 watts RMS at 2 ohms, making it suited to modest single-subwoofer systems and compatible multi-subwoofer loads. Its mono configuration focuses its output on low-frequency reinforcement rather than full-range speaker amplification.\u003c\/p\u003e\u003cp\u003eThis amplifier is a practical choice for listeners who want more controlled bass than a factory radio can provide. Its Class-D design is intended to use electrical power efficiently while keeping the chassis compact. The R2-250X1 is designed for use with subwoofers and includes low-pass and infrasonic filtering controls for system tuning.\u003c\/p\u003e\u003cp\u003eA variable low-pass crossover lets you set the upper bass range sent to the subwoofer, while the infrasonic filter reduces very low frequencies below the selected point. These controls can help integrate the subwoofer with door speakers and can be particularly useful with ported enclosures. Variable Punch EQ provides up to 18 dB of boost at 45 Hz, so it should be adjusted carefully after gain setup.\u003c\/p\u003e\u003cp\u003eThe R2-250X1 supports both RCA low-level inputs and speaker-level inputs, allowing installation with many aftermarket or factory audio systems. Its high-level input capability can connect directly to compatible OEM speaker wiring without a separate line output converter. Auto remote turn-on is available when using high-level inputs, while a conventional remote-turn-on connection remains available for other installations.\u003c\/p\u003e\u003cp\u003eRockford Fosgate C.L.E.A.N. input and output indicators assist with setting source volume and amplifier gain before audible clipping becomes a problem. A wired remote level control is included for adjusting subwoofer output from the front of the vehicle. Preamp pass-through outputs also provide a signal path for adding another amplifier later.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class-D Output:\u003c\/strong\u003e Delivers dedicated power for a compatible subwoofer load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250W RMS at 2 Ohms:\u003c\/strong\u003e Provides higher output with a 2-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Helps blend subwoofer output with full-range speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfrasonic Filter:\u003c\/strong\u003e Reduces ultra-low frequencies below the selected setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Indicators:\u003c\/strong\u003e Helps set source level and amplifier gain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Control:\u003c\/strong\u003e Lets you adjust bass output from the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe R2-250X1 uses a compact chassis with a 1.9-inch height and nickel-plated set-screw terminals. Power and ground terminals accept up to 4 AWG wire, while remote and speaker terminals accept up to 8 AWG wire. Blue power and red protect\/thermal indicators provide basic operating-status feedback, and the amplifier mutes automatically during overheating or a short-circuit condition.\u003c\/p\u003e\u003cp\u003eUse one positive and one negative speaker terminal for a subwoofer connection; the paired output terminals are wired internally in parallel for installation flexibility. The amplifier is rated for 150 watts RMS at 4 ohms or 250 watts RMS at 2 ohms, and it is not recommended for loads below 2 ohms. Allow at least 1 inch of air space around the heat sink, mount it outside the engine compartment, and install the required external fuse within 18 inches of the battery connection.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768039366847,"sku":"R2-250X1","price":173.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/714ceS8HKeL.jpg?v=1782270319"},{"product_id":"rockford-fosgate-t1000-1bdcp","title":"Rockford Fosgate T1000-1BDCP Mono Amplifier","description":"\u003cp\u003eThe Rockford Fosgate Power T1000-1BDCP is a mono car amplifier designed to provide dedicated power for a subwoofer system. Its constant-power design delivers 700 watts RMS at 4 ohms and 1,000 watts RMS at either 2 or 1 ohm. This makes it a practical choice for systems where the final subwoofer wiring impedance may vary.\u003c\/p\u003e\u003cp\u003eBuilt for bass-focused installations, the T1000-1BDCP uses a Class-bd amplifier design and a low-pass crossover tailored for subwoofer duty. The adjustable crossover helps blend the subwoofer with front and rear speakers in a complete system. Its 20 Hz to 250 Hz frequency response covers the range commonly used for low-frequency reinforcement.\u003c\/p\u003e\u003cp\u003eThe amplifier includes Punch EQ, allowing up to +18 dB of adjustment at 45 Hz for users who want to tailor bass emphasis. A selectable 28 Hz infrasonic filter helps limit very low frequencies, which Rockford Fosgate recommends when using vented enclosures. Gain adjustment and a variable low-pass filter provide the core controls needed to set output levels and system integration.\u003c\/p\u003e\u003cp\u003eBalanced RCA inputs are designed to support a clean signal connection from a compatible source unit, while RCA pass-thru outputs make it easier to feed another amplifier without another long RCA run. The amplifier also includes power, thermal, and protect status LEDs for at-a-glance operating feedback. Short-circuit and thermal protection circuits help safeguard the amplifier during fault or overheating conditions.\u003c\/p\u003e\u003cp\u003eMeasuring 13.66 inches long, the T1000-1BDCP is intended for vehicle installations with room for a full-size mono amplifier. It is suited to a subwoofer or subwoofer array wired to a compatible 1-, 2-, or 4-ohm mono load. Proper wiring, an appropriate external fuse, and adequate ventilation are important parts of a reliable installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant Power Output:\u003c\/strong\u003e Delivers 700 watts RMS at 4 ohms or 1,000 watts RMS at 2 or 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-bd Mono Design:\u003c\/strong\u003e Provides dedicated amplification for a subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Crossover:\u003c\/strong\u003e Adjusts from 35 Hz to 250 Hz for subwoofer integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePunch EQ:\u003c\/strong\u003e Offers adjustable bass boost from 0 to +18 dB at 45 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Infrasonic Filter:\u003c\/strong\u003e Limits ultra-low frequencies below the usable bass range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA Pass-Thru Outputs:\u003c\/strong\u003e Simplifies signal distribution to an additional amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe T1000-1BDCP uses a cast-aluminum heatsink to dissipate heat from its internal circuitry. Heavy-duty nickel-plated clamp terminals are used for speaker, power, ground, and remote connections. Power, thermal, and protect indicators are positioned on the amplifier for operational status monitoring.\u003c\/p\u003e\u003cp\u003eRockford Fosgate recommends 4 AWG power and ground wire, with a 150A external fuse installed within 18 inches of the battery on the positive cable. Mount the amplifier securely in a ventilated area and do not install it in the engine compartment. For under-seat installations, allow at least 1 inch of air space around the heatsink; an authorized installer is recommended if wiring or system setup is unfamiliar.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768040579263,"sku":"T1000-1BDCP","price":497.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61Pgfh8kMpL.jpg?v=1782270359"},{"product_id":"rockford-fosgate-pbr300x2","title":"Rockford Fosgate PBR300X2 2-Channel Car Amplifier","description":"\u003cp\u003eThe Rockford Fosgate Punch PBR300X2 is an ultra-compact two-channel car amplifier designed for systems where installation space is limited. It provides dedicated power for a pair of speakers or components while fitting in locations that may not accommodate a conventional amplifier. Its compact format makes it suitable for vehicle audio upgrades that need added output without a large chassis.\u003c\/p\u003e\u003cp\u003eRated for 100 watts RMS per channel at 4 ohms or 150 watts RMS per channel at 2 ohms, the PBR300X2 can support a properly matched pair of full-range or component speakers. It can also be bridged to deliver 300 watts RMS to one 4-ohm load. This flexibility lets it serve as a speaker amplifier now or as a compact mono solution for a compatible small subwoofer system.\u003c\/p\u003e\u003cp\u003eThe amplifier uses Rockford Fosgate Class BR Boosted Rail Technology, a design intended to provide its rated output from a notably small enclosure. A MOSFET output stage and convection-cooled extruded aluminum heatsink support its compact, full-range design. The result is a practical amplifier for trucks, compact vehicles, motorcycles, and other installations with limited mounting room.\u003c\/p\u003e\u003cp\u003eHigh-level and low-level input capability allows the PBR300X2 to work with many aftermarket or factory audio sources. Its variable 4-6V high-level DC-offset turn-on control can simplify integration with compatible factory systems. Adjustable high-pass, low-pass, and all-pass crossover settings help tailor the amplifier to speakers, components, or a bridged subwoofer application.\u003c\/p\u003e\u003cp\u003eThe PBR300X2 is a useful foundation for a focused two-speaker upgrade or a compact system expansion. Its selectable crossover, optional remote Punch EQ capability, and bridgeable output allow it to adapt as system needs change. Proper power wiring, fusing, speaker impedance, and gain setup remain important for dependable operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300-Watt RMS Total Output:\u003c\/strong\u003e Delivers 100W x 2 at 4 ohms or 150W x 2 at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridgeable Two-Channel Design:\u003c\/strong\u003e Combines channels for 300W RMS into one 4-ohm load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosted Rail Technology:\u003c\/strong\u003e Supports compact amplifier packaging without a traditional switching power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- And Low-Level Inputs:\u003c\/strong\u003e Supports RCA or speaker-level source connections through the input harness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Active Crossover:\u003c\/strong\u003e Select high-pass, low-pass, or all-pass operation from 50-500Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Chassis:\u003c\/strong\u003e Measures only 1.53 inches high, 4.25 inches wide, and 6.75 inches long.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe PBR300X2 uses a compact extruded aluminum heatsink with convection cooling and a MOSFET output stage. Power\/Protect and Boosted Rail indicators provide operating-status feedback. Protection circuitry is specified to shut the amplifier down for overheating, very low impedance, or shorted speaker wiring.\u003c\/p\u003e\u003cp\u003eMount the amplifier in a dry, ventilated location with access to its wiring and controls. Use 10 AWG power and ground wiring as recommended, install the specified 30A external battery fuse close to the battery, and keep the ground connection short and secure. Use a 2-ohm-or-higher stereo load or a 4-ohm bridged load, then set the crossover and input level for the connected speakers and source unit.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768040874175,"sku":"PBR300X2","price":200.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71qsN5RP-4L.jpg?v=1782270369"},{"product_id":"rockford-fosgate-pbr300x1","title":"Rockford Fosgate PBR300X1 Compact Mono Subwoofer Amplifier","description":"\u003cp\u003eThe Rockford Fosgate Punch PBR300X1 is a compact mono amplifier made to add subwoofer power where traditional amplifier space is limited. It delivers up to 300 watts RMS to a 1-ohm load while measuring just 1.53 by 4.25 by 6.75 inches. Its low-pass-only design makes it suited to focused bass-system upgrades.\u003c\/p\u003e\u003cp\u003eThis amplifier is a practical fit for cars, trucks, motorcycles, ATVs, hybrids, and other installations where mounting room is at a premium. It supports both RCA low-level and speaker-level input connections, allowing it to work with many aftermarket and factory audio systems. A selectable high\/low input mode helps match the installation method to the source unit.\u003c\/p\u003e\u003cp\u003eThe PBR300X1 provides 75 watts RMS at 4 ohms, 150 watts RMS at 2 ohms, and 300 watts RMS at 1 ohm. Its variable low-pass crossover lets the installer set the upper bass cutoff from 35 Hz to 250 Hz. This helps blend a connected subwoofer with the vehicle's main speakers.\u003c\/p\u003e\u003cp\u003eRockford Fosgate Class BR Boosted Rail technology is used to deliver its output from a very small chassis. The amplifier uses a MOSFET output stage, an extruded aluminum heatsink, and convection cooling. Power\/Protect and BRT status LEDs provide visible operating feedback from the top-mounted control area.\u003c\/p\u003e\u003cp\u003eFor factory-radio integration, the amplifier includes speaker-level inputs and a variable 4 to 6 volt DC-offset turn-on adjustment. An optional Rockford Fosgate PEQ remote can control the amplifier's Punch EQ bass boost circuit. With appropriate wiring, fusing, and a correctly matched subwoofer load, the PBR300X1 can serve as the bass amplifier in a compact system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Mono Design:\u003c\/strong\u003e Fits in space-constrained vehicle audio installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stable Power:\u003c\/strong\u003e Delivers 300 watts RMS at 1 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass BR Topology:\u003c\/strong\u003e Supports compact boosted-rail amplifier engineering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Inputs:\u003c\/strong\u003e Connects to factory speaker-output signals when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Low-Pass Filter:\u003c\/strong\u003e Adjusts bass crossover from 35 Hz to 250 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional PEQ Remote:\u003c\/strong\u003e Enables remote control of Punch EQ bass boost.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe PBR300X1 uses an extruded aluminum heatsink to dissipate heat, with convection cooling rather than a fan. Its small enclosure measures 1.53 inches high, 4.25 inches wide, and 6.75 inches long. Top-mounted status LEDs indicate power\/protection status and Boosted Rail operation.\u003c\/p\u003e\u003cp\u003eUse a subwoofer wiring configuration that presents no lower than a 1-ohm load, and select the matching power rating when choosing a subwoofer. Rockford Fosgate recommends 10 AWG wire for the amplifier's power and ground connections and specifies a 30A external battery fuse. Mount it outside the engine compartment with adequate ventilation; installations under a seat require at least 1 inch of air gap around the heatsink.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768040939711,"sku":"PBR300X1","price":191.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71TdBpJfxrL.jpg?v=1782270371"},{"product_id":"rockford-fosgate-p500x1bd","title":"Rockford Fosgate P500X1BD 500W Mono Subwoofer Amplifier","description":"\u003cp\u003eThe Rockford Fosgate P500X1BD is a mono car amplifier designed specifically to power subwoofers. It provides a focused bass channel for systems where a factory or aftermarket receiver needs more low-frequency output. With stable operation down to a 1-ohm load, it supports several common subwoofer wiring configurations.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for listeners building a dedicated subwoofer stage rather than powering full-range speakers. Its Class-BD circuit topology is engineered for efficient low-frequency amplification, helping it deliver substantial continuous power in a compact full-chassis format. Output is rated at 150 watts RMS at 4 ohms, 300 watts RMS at 2 ohms, or 500 watts RMS at 1 ohm.\u003c\/p\u003e\u003cp\u003eThe P500X1BD has a bass-focused operating range of 20 Hz to 250 Hz and includes a variable low-pass crossover for blending a subwoofer with door speakers or component systems. A fixed 28 Hz infrasonic filter helps limit very low-frequency content sent to the woofer. This can be especially useful when the amplifier is paired with a vented subwoofer enclosure.\u003c\/p\u003e\u003cp\u003eIts RCA inputs accept either low-level RCA signals or high-level speaker signals, allowing integration with many factory and aftermarket source units. High-level input use activates the amplifier's auto turn-on feature, reducing the need for a separate signal converter in compatible installations. RCA pass-through outputs provide a way to feed signal to additional amplifiers in a multi-amp system.\u003c\/p\u003e\u003cp\u003eRockford Fosgate's C.L.E.A.N. setup system uses input and output clip indicators to assist with level matching during installation. The onboard Punch EQ provides adjustable bass boost at 45 Hz, while an optional remote Punch Level Control can place subwoofer level adjustment within reach of the driver. The P500X1BD is a practical choice for matching a properly wired subwoofer system to a 150- to 500-watt RMS mono amplifier channel.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e500W RMS at 1 Ohm:\u003c\/strong\u003e Supplies continuous mono power for compatible 1-ohm subwoofer loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-BD Topology:\u003c\/strong\u003e Efficient bass-oriented amplification helps manage power use and heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Connects to factory speaker wiring or RCA-equipped receivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Setup:\u003c\/strong\u003e Input and output clip indicators assist with gain adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePunch EQ:\u003c\/strong\u003e Adds adjustable bass boost from 0 to +18 dB at 45 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA Pass-Through:\u003c\/strong\u003e Sends the input signal onward to additional compatible amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe P500X1BD uses a full-size chassis measuring 2.38 by 7.76 by 11.03 inches and has a convection-cooled design. Nickel-plated captive C-clamp speaker terminals accept 8 AWG speaker wire, while the power and ground terminals accept 4 AWG cable. Status and setup indicators include power, protect, thermal, input clip, and output clip monitoring.\u003c\/p\u003e\u003cp\u003eUse this mono amplifier with subwoofers wired for a final impedance of 1, 2, or 4 ohms; do not use a load below 1 ohm. Installation requires appropriate power and ground wiring, an 80-amp inline fuse installed near the battery, source wiring, and a solid chassis ground. Leave at least 1 inch of air space around the heatsink for cooling, and use the low-pass crossover, infrasonic filter, and gain setup controls to match the amplifier to the enclosure and subwoofer system.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768042119359,"sku":"P500X1BD","price":289.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71WAuIEUamL.jpg?v=1782270377"},{"product_id":"rockford-fosgate-r2-750x1","title":"Rockford Fosgate R2-750X1 750W Mono Amplifier","description":"\u003cp\u003eThe Rockford Fosgate Prime R2-750X1 is a compact mono amplifier designed to power a subwoofer system in a car or truck. It delivers selectable RMS output based on the final speaker load, with ratings from 250 watts at 4 ohms to 750 watts at 1 ohm. This makes it a practical choice for adding controlled low-frequency output to a factory or aftermarket audio system.\u003c\/p\u003e\u003cp\u003eBuilt around a Class-D topology, the R2-750X1 is intended to provide substantial subwoofer power while managing demand on the vehicle electrical system. Its frequency response and low-pass crossover are tailored for bass reproduction rather than full-range speakers. The result is a focused amplifier platform for a dedicated subwoofer channel.\u003c\/p\u003e\u003cp\u003eThe amplifier accepts both low-level RCA and high-level speaker-level input signals, allowing it to work with many aftermarket radios as well as systems that retain a factory head unit. Balanced differential inputs help support clean signal integration, while RCA pass-through outputs can feed another amplifier. An auto-sense bypass switch is included for vehicles with retained accessory power.\u003c\/p\u003e\u003cp\u003eSetup features include Rockford Fosgate C.L.E.A.N. input and output indicators to assist with gain adjustment. A variable low-pass crossover, variable infrasonic filter, and adjustable Punch EQ let the installer shape the bass response around the subwoofer enclosure and listening preferences. The included wired remote level control provides convenient adjustment of subwoofer level from the driver’s seat.\u003c\/p\u003e\u003cp\u003eThe R2-750X1 fits well in a system built around one or more subwoofers with a final impedance of 1, 2, or 4 ohms. It is not bridgeable because it is already a single-channel amplifier. Proper power wiring, grounding, fuse protection, and subwoofer impedance matching are important for safe, reliable operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e750W RMS At 1 Ohm:\u003c\/strong\u003e Supplies up to 750 watts RMS to a properly matched mono subwoofer load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-D Topology:\u003c\/strong\u003e Provides efficient subwoofer amplification in a compact chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- And Low-Level Inputs:\u003c\/strong\u003e Supports integration with factory or aftermarket audio sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Setup Indicators:\u003c\/strong\u003e Helps set input gain while monitoring signal conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Bass Filters:\u003c\/strong\u003e Low-pass and infrasonic controls help tailor subwoofer operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Remote Level Control:\u003c\/strong\u003e Lets the driver adjust subwoofer level from the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe R2-750X1 uses a cast-aluminum heatsink and convection cooling in a low-profile enclosure measuring 1.9 by 6.8 by 10.1 inches. Its top-mounted control panel keeps gain, crossover, EQ, and filter adjustments accessible after installation. Power, protection, and C.L.E.A.N. status indicators provide visual operating feedback.\u003c\/p\u003e\u003cp\u003eInstall the amplifier in a dry, ventilated location with space around the heatsink for airflow. Use up to 4 AWG power and ground wiring, up to 8 AWG speaker wiring, and a 120A fuse as specified; the fuse is not included. Match the connected subwoofer system to a 1-, 2-, or 4-ohm mono load, then set gain and filters carefully before regular use.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768045396159,"sku":"R2-750X1","price":265.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71n748CxJZL.jpg?v=1782270467"},{"product_id":"rockford-fosgate-m2-500x1","title":"Rockford Fosgate M2-500X1 500W Mono Marine Amplifier","description":"\u003cp\u003eThe Rockford Fosgate M2-500X1 is a mono Element Ready marine amplifier designed to power a subwoofer in boat, powersports, and other outdoor audio systems. It delivers focused low-frequency amplification while using a compact chassis that can fit where larger amplifiers may be impractical. Its 2-ohm stable Class-D design helps provide substantial bass output with efficient use of the electrical system.\u003c\/p\u003e\u003cp\u003eThis amplifier is intended for systems using a subwoofer with a final 2- or 4-ohm load. It produces 300 watts RMS at 4 ohms or 500 watts RMS at 2 ohms, measured at 14.4 volts. That makes it a practical match for a single subwoofer or a properly wired multi-subwoofer setup within its supported impedance range.\u003c\/p\u003e\u003cp\u003eThe M2-500X1 is voiced for bass duty, with a 20 Hz to 250 Hz frequency response, an adjustable low-pass crossover, and a variable infrasonic filter. The infrasonic control can help limit frequencies below the useful range of a subwoofer enclosure, particularly in ported designs. A wired remote level control is included for convenient subwoofer-level adjustment from the helm or listening position.\u003c\/p\u003e\u003cp\u003eRockford Fosgate's C.L.E.A.N. input and output indicators help identify clipping while setting source volume and amplifier gain. The amplifier also includes adjustable Punch EQ, providing 0 to +18 dB of boost at 45 Hz. These controls allow the installer to tailor bass response while maintaining a more controlled setup process.\u003c\/p\u003e\u003cp\u003eFor outdoor installations, the M2-500X1 uses Element Ready construction with corrosion-conscious terminals, a conformal-coated circuit board, and a UV-resistant powder-coated cast-aluminum heatsink. It accepts both RCA low-level and speaker-level input signals, making it suitable for aftermarket receivers as well as many factory-style source units. RCA pass-through outputs can also simplify adding another amplifier to the system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Class-D Output:\u003c\/strong\u003e Delivers 300 watts RMS at 4 ohms or 500 watts RMS at 2 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElement Ready Construction:\u003c\/strong\u003e Uses a conformal-coated board and corrosion-resistant connections for outdoor applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Setup Indicators:\u003c\/strong\u003e Input and output clip LEDs assist with gain-setting adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Bass Controls:\u003c\/strong\u003e Low-pass, infrasonic, and Punch EQ controls tailor subwoofer response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh- and Low-Level Inputs:\u003c\/strong\u003e Connects to RCA outputs or compatible speaker-level source signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Remote Level Control:\u003c\/strong\u003e Lets you adjust subwoofer output level from a remote location.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe M2-500X1 combines a compact cast-aluminum heatsink with a UV-resistant powder-coated finish, conformal-coated circuitry, and zinc-nickel-plated brass terminals. Its power, ground, and remote terminals use set-screw connections, while nickel-plated signal connections are designed to resist corrosion. Power and protect status LEDs provide visible operating feedback, and the amplifier automatically mutes if it enters thermal or short-circuit protection.\u003c\/p\u003e\u003cp\u003eInstall the amplifier on a solid surface with at least 1 inch of clearance around the heatsink for cooling, and do not mount it in an engine compartment. Use an externally mounted 80A fuse on the positive power cable within 18 inches of the battery, and keep the ground cable under 30 inches when possible. Use either the RCA low-level inputs or the high-level input harness, never both at the same time, and wire subwoofers to a final impedance no lower than 2 ohms.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768045691071,"sku":"M2-500X1","price":259.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71VL3GrcIUL.jpg?v=1782270475"},{"product_id":"rockford-fosgate-r2-1200x1","title":"Rockford Fosgate R2-1200X1 1200-Watt Mono Amplifier","description":"\u003cp\u003eThe Rockford Fosgate R2-1200X1 is a single-channel Class-D car amplifier designed to power subwoofers. It provides a dedicated bass channel for systems that need more low-frequency output than a factory radio or small multi-channel amplifier can supply. With stable operation at 4-, 2-, or 1-ohm mono loads, it can be matched to a range of compatible subwoofer wiring configurations.\u003c\/p\u003e\u003cp\u003eRated output is 400 watts RMS at 4 ohms, 800 watts RMS at 2 ohms, and 1,200 watts RMS at 1 ohm. Its Class-D topology is engineered for efficient power delivery while helping limit demand on the vehicle electrical system. The amplifier's 20 Hz to 250 Hz frequency response is tailored to subwoofer-duty bass reproduction.\u003c\/p\u003e\u003cp\u003eThe R2-1200X1 includes variable low-pass and infrasonic filters for shaping the bass range sent to the subwoofer. A variable Punch EQ provides up to 18 dB of adjustment centered at 45 Hz for systems that need additional low-bass emphasis. The included remote level control gives the driver a convenient way to adjust bass level from the front of the vehicle.\u003c\/p\u003e\u003cp\u003eRockford Fosgate C.L.E.A.N. setup circuitry uses input and output indicators to help set gain levels with less risk of audible clipping. Low-level RCA inputs support aftermarket source units, while the supplied high-level input harness allows integration with many factory audio systems. RCA pass-through outputs can route signal onward to another compatible amplifier.\u003c\/p\u003e\u003cp\u003eThis mono amplifier fits well in a subwoofer-focused upgrade path for cars, trucks, and SUVs. It accepts 4 AWG power wiring and 8 AWG speaker wiring through compression terminal blocks. Its compact 1.9-inch-high chassis can be mounted where adequate ventilation, secure fastening, and protected wiring are available.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,200-Watt RMS Output:\u003c\/strong\u003e Delivers up to 1,200 watts RMS into a 1-ohm mono load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-D Topology:\u003c\/strong\u003e Provides efficient amplification for dedicated subwoofer systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC.L.E.A.N. Setup:\u003c\/strong\u003e Input and output indicators assist with setting gain levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Filters:\u003c\/strong\u003e Low-pass and infrasonic filters help tailor subwoofer response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePunch EQ:\u003c\/strong\u003e Adds adjustable bass emphasis from 0 to +18 dB at 45 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Control:\u003c\/strong\u003e Lets the driver make convenient bass-level adjustments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe R2-1200X1 uses a cast-aluminum heatsink and convection cooling to manage operating heat without a cooling fan. Its top-mounted controls keep gain, crossover, infrasonic filter, and EQ adjustments accessible after installation. Power, Protect, C.L.E.A.N. In, and C.L.E.A.N. Out indicators provide at-a-glance operating feedback.\u003c\/p\u003e\u003cp\u003eInstall the amplifier securely in a dry, ventilated location and use 4 AWG power and ground wiring with a properly placed 200-amp fuse, which is not included. Match the connected subwoofer system to a final 1-, 2-, or 4-ohm load; loads below 1 ohm are not recommended. Use RCA inputs with an aftermarket radio or the included speaker-level harness when integrating compatible factory audio systems.\u003c\/p\u003e","brand":"ROCKFORD FOSGATE","offers":[{"title":"Default Title","offer_id":45768047788223,"sku":"R2-1200X1","price":300.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71ntoEkm53L.jpg?v=1782270528"}],"url":"https:\/\/nsidistributor.com\/collections\/mono-amplifiers.oembed?page=5","provider":"NSI Audio Distributing","version":"1.0","type":"link"}