{"title":"Equalizers","description":null,"products":[{"product_id":"warzone-eq6700-1-2-din-7-band-car-audio-equalizer-eq-w-front-rear-sub-output-up-to-7v-rms-of-output-gold-plated-rca-connectors-for-best-audio-output-for-car-boat-rv-rtv-motorcycle","title":"WARZONE WZ-EQ6700 1\/2-DIN 7-Band Car Audio Equalizer","description":"\u003cp\u003eThe WARZONE WZ-EQ6700 is a compact 1\/2-DIN, 7-band graphic equalizer for adding hands-on tonal control to a car audio system. It is designed to sit between a source unit and external amplifiers, allowing the signal to be adjusted before it reaches the speakers. Separate front, rear, and subwoofer RCA outputs support multi-amplifier installations.\u003c\/p\u003e\u003cp\u003eThis equalizer is intended for listeners who want more adjustment than a typical radio tone control provides. Its seven bands cover low bass through high treble, helping users reduce problem frequencies or make measured tonal changes for their vehicle and speaker setup. A master level control, front\/rear fader, and subwoofer-level control place common adjustments on the front panel.\u003c\/p\u003e\u003cp\u003eThe WZ-EQ6700 uses center frequencies of 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, and 16kHz. Each main EQ band provides up to 12dB of boost or cut, allowing targeted adjustment across the audible range. Its specified 100dB signal-to-noise ratio and 0.005% THD support use in line-level audio systems.\u003c\/p\u003e\u003cp\u003eA dedicated subwoofer output includes an electronic low-pass crossover with selectable 60Hz or 90Hz points and an 18dB-per-octave slope. This gives a compatible subwoofer amplifier a filtered bass signal while the front and rear outputs continue serving the main amplifier channels. The subwoofer section also provides a separate level adjustment for balancing bass output from the driver seat.\u003c\/p\u003e\u003cp\u003eThe equalizer accepts main and auxiliary stereo RCA sources, making it suitable for systems that use a head unit plus an additional line-level device. Gold-plated RCA connectors are used for the signal connections, while ISO mounting holes and a removable trim ring support custom dash or console installation. It operates from a 12-volt negative-ground electrical system with a specified operating range of 11V to 15V.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band Graphic EQ:\u003c\/strong\u003e Adjusts seven fixed frequency ranges from bass through treble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Subwoofer Output:\u003c\/strong\u003e Supplies a separate RCA signal for a subwoofer amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Low-Pass Crossover:\u003c\/strong\u003e Filters the subwoofer output at 60Hz or 90Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Supports separate front, rear, and subwoofer amplifier connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain And Auxiliary Inputs:\u003c\/strong\u003e Allows selection between two stereo RCA source inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7V Maximum Output:\u003c\/strong\u003e Provides a strong line-level signal to compatible amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe WZ-EQ6700 uses a compact 1\/2-DIN chassis sized at approximately 7 inches wide, 4 1\/8 inches deep, and 1 inch high. Its connection panel uses gold-plated RCA terminals, and the front-panel layout includes separate controls for EQ, master level, subwoofer level, and front\/rear fader. ISO mounting holes and a removable trim ring are specified for installation flexibility.\u003c\/p\u003e\u003cp\u003eInstall the equalizer in a 12-volt negative-ground vehicle, boat, RV, RTV, or motorcycle electrical system where it can be securely mounted and accessed for adjustment. Connect the head unit or other line-level source to the main or auxiliary RCA input, then run RCA cables from the front, rear, and subwoofer outputs to compatible amplifiers. Use the selectable subwoofer crossover only when its 60Hz or 90Hz low-pass points suit the rest of the system's crossover plan.\u003c\/p\u003e","brand":"WARZONE","offers":[{"title":"Default Title","offer_id":43915350180031,"sku":"Gravity EQ6700","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/pixelcut-export_57aabb1f-9801-4fb5-a907-5d7fecbb3d57.png?v=1734557422"},{"product_id":"gravity-gr-eq9","title":"Gravity GR-EQ9 7-Band 1\/2 DIN Car Audio Equalizer","description":"\u003cp\u003eThe Gravity GR-EQ9 is a compact 7-band car audio graphic equalizer and preamp designed to give an aftermarket sound system more precise tonal control. It lets users adjust key bass, midrange, and treble regions rather than relying only on a radio's basic tone controls. The unit is intended for systems using external amplifiers and RCA-level signal connections.\u003c\/p\u003e\u003cp\u003eEach of the seven EQ bands addresses a fixed center frequency, allowing targeted adjustments for low-end weight, vocal presence, and high-frequency detail. Its boost\/cut range supports corrective tuning for vehicle acoustics as well as personal listening preferences. Dedicated master-volume, front\/rear fader, and subwoofer-level controls keep key system adjustments accessible from the equalizer.\u003c\/p\u003e\u003cp\u003eFor subwoofer integration, the GR-EQ9 includes a dedicated stereo subwoofer output and selectable subwoofer-frequency control. This helps route a separate signal to a subwoofer amplifier while retaining independent level adjustment. Front and rear stereo RCA outputs are also provided for multi-amplifier installations.\u003c\/p\u003e\u003cp\u003eThe GR-EQ9 incorporates an auxiliary stereo RCA input in addition to its main input, with a front-panel selector for choosing between the two sources. Its 7V RMS maximum preamp output is designed to provide a strong signal to compatible amplifiers. Gold-plated RCA connectors are specified for the signal connections.\u003c\/p\u003e\u003cp\u003eBuilt in a compact 1\/2 DIN format, this equalizer is suited to under-dash, console, or custom-panel installations where space is limited. It operates from a negative-ground 11V to 15V DC vehicle electrical system. The GR-EQ9 can serve as a straightforward signal-control stage when upgrading a factory or aftermarket source unit with amplifiers and a subwoofer.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band Graphic EQ:\u003c\/strong\u003e Adjusts seven fixed frequency ranges for more tailored system tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±12 dB Equalization Range:\u003c\/strong\u003e Provides meaningful boost or cut at each graphic EQ band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7V RMS Preamp Output:\u003c\/strong\u003e Supplies a higher-voltage RCA signal to compatible amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Supports separate front, rear, and subwoofer amplifier signal paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level Control:\u003c\/strong\u003e Allows convenient adjustment of subwoofer output from the equalizer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary RCA Input:\u003c\/strong\u003e Adds a selectable stereo input for an additional source device.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GR-EQ9 uses a compact black 1\/2 DIN chassis with a removable trim ring and ISO-style mounting provisions specified for custom installations. Its front panel combines rotary controls for volume, fader, subwoofer level, and EQ adjustment. The rear panel uses RCA connections for main input, auxiliary input, and front, rear, and subwoofer outputs.\u003c\/p\u003e\u003cp\u003eInstall the unit in a secure, accessible location such as beneath the dashboard, in a center console, or in a custom panel. Connect its main RCA input to the source unit, then run the front, rear, and subwoofer RCA outputs to the appropriate amplifier inputs. The equalizer requires +12V power, chassis ground, and a remote turn-on connection; an inline fuse is recommended for the power lead.\u003c\/p\u003e","brand":"GRAVITY","offers":[{"title":"Default Title","offer_id":45608867791039,"sku":"700987502749","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_916fc3c9-1dd2-4bfc-8233-ff98fa3b3e42.jpg?v=1777672813"},{"product_id":"gravity-gr-eqp11","title":"Gravity GR-EQP11 1\/2-DIN 4-Band Car Parametric Equalizer","description":"\u003cp\u003eThe Gravity GR-EQP11 is a 1\/2-DIN car-audio signal processor that combines four-band parametric equalization with dedicated front, rear, and subwoofer outputs. It is designed for systems that need more control over tonal balance and subwoofer integration than a head unit’s basic tone controls can provide. A master volume control supports output levels up to 9 volts RMS.\u003c\/p\u003e\u003cp\u003eThis equalizer is suited to vehicle owners and installers building an amplified system with separate full-range and subwoofer signal paths. Its front, rear, and sub outputs provide a practical way to route processed signal to compatible amplifiers. The AUX\/MAIN input selector also supports choosing between the unit’s available input sources.\u003c\/p\u003e\u003cp\u003eThe GR-EQP11 uses a four-band parametric EQ section with up to 12 dB of boost or cut. Each band has a specified bandwidth, while the high-frequency section includes shelving adjustment. These controls allow more deliberate correction or tailoring of the system’s frequency balance.\u003c\/p\u003e\u003cp\u003eFor bass-system setup, the GR-EQP11 includes separate subwoofer level control and subwoofer frequency selectors. This allows the subwoofer channel to be adjusted independently from the front and rear outputs. The result is a more manageable way to balance low-frequency output with the rest of the system.\u003c\/p\u003e\u003cp\u003eAn onboard 30-volt bipolar switching power supply supports the unit’s signal-processing section, and gold-plated RCA input and output connectors are provided for signal connections. Night illumination helps make the controls easier to locate in low-light conditions. Its compact 1\/2-DIN format is intended for custom dash, console, or panel installations.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp To 9V RMS Output:\u003c\/strong\u003e Provides a higher-voltage preamp signal for compatible amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-Band Parametric EQ:\u003c\/strong\u003e Lets you target and adjust multiple parts of the audio spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 dB Boost\/Cut:\u003c\/strong\u003e Provides meaningful adjustment range for each EQ band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront, Rear And Sub Outputs:\u003c\/strong\u003e Routes processed signal to separate amplifier channels or zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level And Frequency Controls:\u003c\/strong\u003e Helps balance bass output within the overall system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNight Illumination:\u003c\/strong\u003e Makes the control panel easier to use after dark.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GR-EQP11 has a black metal enclosure and a compact 1\/2-DIN form factor. Its control layout is designed around master level, equalization, and subwoofer adjustment functions. Gold-plated RCA connectors are used for the signal inputs and outputs.\u003c\/p\u003e\u003cp\u003eInstall the unit in a secure 1\/2-DIN-compatible custom location with access to its controls, then connect it to compatible RCA-level source and amplifier connections. Use the AUX\/MAIN selector to choose the desired input and set the master, EQ, and subwoofer controls gradually during system tuning. Installation hardware, wiring, and included accessories are not confirmed in the available product information.\u003c\/p\u003e","brand":"GRAVITY","offers":[{"title":"Default Title","offer_id":45608868675775,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_999e4635-0e68-49cf-85a1-002385a3c0f5.jpg?v=1777673065"},{"product_id":"gravity-eq15","title":"Gravity GR-EQ15 1\/2 DIN 5-Band Car Audio Equalizer","description":"\u003cp\u003eThe Gravity GR-EQ15 is a compact 1\/2 DIN car audio equalizer and line driver designed for systems that need more hands-on sound control. It lets users adjust key frequency ranges independently while managing front, rear, and subwoofer signal outputs. This makes it a practical add-on for factory or aftermarket source units feeding external amplifiers.\u003c\/p\u003e\u003cp\u003eIts five-band graphic equalizer covers 50Hz, 125Hz, 900Hz, 2.2kHz, and 16kHz, allowing targeted adjustment of bass, midrange, and treble. Each band offers a boost or cut range of ±12dB. The controls can help compensate for vehicle acoustics and tailor the tonal balance of a multi-speaker system.\u003c\/p\u003e\u003cp\u003eThe GR-EQ15 uses an active-gain preamp section with adjustable input sensitivity and a master volume control. It is specified for up to 9V RMS maximum output, providing a strong preamp signal for compatible external amplifiers. Separate front, rear, and subwoofer RCA outputs support systems with dedicated amplification zones.\u003c\/p\u003e\u003cp\u003eA dedicated subwoofer control section is included for adjusting low-frequency output within the system. The specified subwoofer frequency range is 10Hz to 300Hz. Front-to-rear balance is handled through the onboard fader control, helping users set output balance from the equalizer location.\u003c\/p\u003e\u003cp\u003eThis processor is intended for installers and enthusiasts building an amplified car audio system with RCA-level connections. It accepts a main RCA source input and includes an auxiliary input selection function. Its half-DIN format is suited to custom panels, center consoles, or other locations where a full-size head unit is not required.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-Band Graphic EQ:\u003c\/strong\u003e Adjusts five core frequency ranges for more precise tonal tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±12dB Equalization Range:\u003c\/strong\u003e Lets you boost or reduce each EQ band to address system balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Voltage Preamp Output:\u003c\/strong\u003e Delivers up to 9V RMS maximum output for compatible amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Provides dedicated front, rear, and subwoofer signal paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaster Volume And Fader:\u003c\/strong\u003e Offers convenient overall level and front-to-rear balance control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain And Auxiliary Inputs:\u003c\/strong\u003e Supports an RCA main source plus selectable auxiliary input use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GR-EQ15 uses a compact 1\/2 DIN chassis with front-panel rotary controls for equalization, volume, fader, and subwoofer adjustment. Its layout is designed for direct access to system-level tuning controls after installation. RCA signal connections are used for the main input and front, rear, and subwoofer outputs.\u003c\/p\u003e\u003cp\u003eInstall the equalizer in a dry, ventilated location away from heat and moisture, using the supplied mounting brackets and screws. Connect switched 12V power, chassis ground, and a remote turn-on lead, then route RCA cables from the source unit to the equalizer and from its outputs to external amplifiers. Set input sensitivity and EQ controls conservatively at first, then tune the system gradually.\u003c\/p\u003e","brand":"GRAVITY","offers":[{"title":"Default Title","offer_id":45608869986495,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_f0a34cd1-98e5-4a05-ad34-e07640fc1a36.jpg?v=1777673371"},{"product_id":"gravity-gr-eq19","title":"Gravity GR-EQ19 1\/2 DIN 9-Band Car Audio Equalizer","description":"\u003cp\u003eThe Gravity GR-EQ19 is a compact car-audio equalizer designed to give an aftermarket system more direct tonal control. Its nine dedicated EQ bands let the installer adjust selected bass, midrange, and treble frequencies rather than relying only on a head unit's basic tone controls. It is intended for systems where the listener wants to tailor the sound to the vehicle, speakers, music source, and personal preferences.\u003c\/p\u003e\u003cp\u003eThe GR-EQ19 covers center frequencies from 50 Hz through 16 kHz, addressing low-frequency weight, vocal-range balance, and upper-frequency detail. Individual controls at 50, 120, 250, 500 Hz, 1, 2, 4, 8, and 16 kHz provide a straightforward analog-style adjustment layout. This makes it useful for correcting broad tonal imbalances in a vehicle cabin or refining the character of an existing sound system.\u003c\/p\u003e\u003cp\u003eAn active-gain preamp section and adjustable input sensitivity are included to help integrate the equalizer with compatible source units. The unit is listed with a master volume control and up to 9V RMS output. These controls provide signal-level adjustment as part of the system-tuning process.\u003c\/p\u003e\u003cp\u003eThe GR-EQ19 is configured for multi-amplifier and multi-zone car-audio layouts with front, rear, and subwoofer outputs. It provides three stereo RCA outputs, allowing separate signal paths for those system sections. A built-in AUX\/DVD source-select switch adds a way to select between the listed auxiliary and DVD inputs without changing the main wiring arrangement.\u003c\/p\u003e\u003cp\u003eWith its 1\/2 DIN format, this equalizer is suited to custom dash, console, or under-dash installations where a full-size receiver opening is not required. It can be placed between a compatible source unit and external amplifiers as part of a broader upgrade path. Careful level setting and moderate EQ adjustments are recommended when integrating it into amplified systems.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Band Equalizer:\u003c\/strong\u003e Provides separate adjustment points from bass through treble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 Hz To 16 kHz Coverage:\u003c\/strong\u003e Targets key frequencies across the audible music range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive-Gain Preamp:\u003c\/strong\u003e Adds signal-level management for compatible audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp To 9V RMS Output:\u003c\/strong\u003e Supports a strong preamp-level signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Supports front, rear, and subwoofer signal routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAUX\/DVD Source Selector:\u003c\/strong\u003e Switches between the listed auxiliary and DVD inputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe GR-EQ19 uses a compact 1\/2 DIN form factor intended for vehicle audio installations with limited mounting space. Published product information confirms the compact format but does not specify enclosure materials or faceplate construction. Its front-panel equalizer controls, master volume control, and input-selection switch are designed for direct system adjustment.\u003c\/p\u003e\u003cp\u003eInstall the unit in an accessible location and connect it within a compatible RCA-based signal chain before external amplifiers. Use the three stereo RCA outputs for front, rear, and subwoofer system sections as needed, then set input sensitivity and master volume carefully to match the source unit and amplifiers. Professional installation is advisable when adding the unit to a complex or high-output car-audio system.\u003c\/p\u003e","brand":"GRAVITY","offers":[{"title":"Default Title","offer_id":45608874410175,"sku":"613464942085","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/a_50050c07-e97b-4a02-a546-d0a7648afc67.jpg?v=1777673615"},{"product_id":"soundxtreme-7-band-passive-stereo-graphic-equalizer-with-fader-control-st-eq-180","title":"SoundXtreme ST-EQ-180 7-Band Car Audio Equalizer","description":"\u003cp\u003eThe SoundXtreme ST-EQ-180 is a 7-band passive stereo graphic equalizer designed for vehicle audio systems. It adds hands-on tonal adjustment between the audio source and the rest of a compatible car audio setup. This is a signal-control component rather than a head unit, amplifier, speaker, or subwoofer.\u003c\/p\u003e\u003cp\u003eIts seven slide controls let the listener adjust selected bass, midrange, and treble areas of the audio spectrum. Each band provides up to ±12 dB of adjustment, allowing measured corrections for the vehicle cabin or personal listening preferences. A front-to-rear fader control is also included for systems using separate front and rear speaker channels.\u003c\/p\u003e\u003cp\u003eThe ST-EQ-180 covers center frequencies from 60 Hz through 15 kHz, providing adjustment across low-frequency impact, vocal-range presence, and high-frequency detail. An adjustable gain control and output-level display support level matching during system setup. These controls help the installer set the processor appropriately before making final amplifier adjustments.\u003c\/p\u003e\u003cp\u003eA dedicated subwoofer section includes selectable crossover points and a subwoofer switch. The listed crossover rolloff is 12 dB per octave, helping route the low-frequency portion of the signal for a subwoofer-equipped system. This makes the equalizer suitable for adding tonal control to a system with front, rear, and bass amplification.\u003c\/p\u003e\u003cp\u003eThe equalizer operates from an 11-16V DC vehicle electrical system and is specified with a 100-ohm input impedance. Its compact listed dimensions make it practical for custom dash, console, or equipment-panel installations where appropriate mounting space is available. It is intended for shoppers who want manual equalization and fader adjustment without replacing their existing audio source.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band EQ:\u003c\/strong\u003e Slide controls adjust seven selected audio frequency ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±12 dB Adjustment:\u003c\/strong\u003e Provides substantial cut or boost at each band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront\/Rear Fader:\u003c\/strong\u003e Adjusts the balance between front and rear channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Section:\u003c\/strong\u003e Includes crossover-point selection and a subwoofer switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput-Level Display:\u003c\/strong\u003e Gives a visual indication of output level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Power Range:\u003c\/strong\u003e Operates from 11-16V DC electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe ST-EQ-180 is listed in black and has a compact 4.5 x 7 x 1.4-inch product size. Its front-panel layout combines seven EQ sliders with gain, fader, subwoofer, and output-level functions for direct access during tuning. The manufacturer listing does not specify chassis material or panel construction.\u003c\/p\u003e\u003cp\u003eInstall the equalizer securely in a dry location that remains accessible for adjustment, while keeping it clear of vehicle controls and the driver’s view. It requires an 11-16V DC supply and should be integrated by a qualified installer or a user familiar with vehicle audio wiring and gain staging. Begin with conservative EQ settings and make small adjustments after matching levels with the connected audio system.\u003c\/p\u003e","brand":"SOUNDXTREME","offers":[{"title":"Default Title","offer_id":45686707880127,"sku":"862172051019","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/610k40DF8OL.jpg?v=1780606018"},{"product_id":"audiobank-high-performance-bass-machine-ab-ap12-subwoofer-control-features-equalization-circuit-dash-mount-remote-control-and-bass-indicator","title":"Audiobank AB-AP12 High-Performance Bass Machine","description":"\u003cp\u003eThe Audiobank AB-AP12 is a car-audio bass processor designed to provide in-cabin control over subwoofer bass output. It is intended for systems where the listener wants a dedicated adjustment point for low-frequency performance rather than relying only on source-unit or amplifier settings. The AB-AP12 combines bass control and bass equalization functions in one compact processor package.\u003c\/p\u003e\u003cp\u003eThis processor is suited to car-audio enthusiasts building or refining a subwoofer-equipped system. Its dash-mount remote gives the driver convenient access to bass adjustment from the vehicle interior. That makes it useful when different music, recordings, or listening conditions call for different low-frequency balance.\u003c\/p\u003e\u003cp\u003eThe AB-AP12 incorporates a bass equalization circuit to shape the low-frequency signal before it reaches the rest of the system. This feature is designed to help users fine-tune bass response according to their system configuration and personal listening preference. A dedicated bass-control function keeps adjustment focused on the subwoofer range.\u003c\/p\u003e\u003cp\u003eA bass indicator is included to provide visual feedback while making adjustments. Together with the remote control, the indicator supports more deliberate tuning from the dashboard instead of making changes only at installed audio components. The processor is a practical add-on for systems that need adjustable bass management.\u003c\/p\u003e\u003cp\u003eThe AB-AP12 is not a subwoofer or amplifier; it is a signal-control component for a compatible car-audio setup. It can be considered during an upgrade path that includes a source unit, amplifier, and subwoofer system. The package includes the main unit, dash-mount remote control, connection cable, installation accessories, and user manual.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Processor:\u003c\/strong\u003e Adds dedicated low-frequency control to a compatible car-audio system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Equalization Circuit:\u003c\/strong\u003e Helps tailor low-frequency response to listener preference and system setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level Control:\u003c\/strong\u003e Provides a focused adjustment for subwoofer bass output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash-Mount Remote:\u003c\/strong\u003e Places bass adjustment within convenient reach from the driver’s seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Indicator:\u003c\/strong\u003e Provides visual feedback while adjusting the bass setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Installation Items:\u003c\/strong\u003e Supplied with a connection cable, accessories, and user manual.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AB-AP12 uses a compact main-unit-and-remote arrangement intended for vehicle installation. Its listed retail presentation describes a silver-and-black finish, while the functional design centers on accessible bass adjustment and a visible bass indicator. No manufacturer material specification was published for the housing.\u003c\/p\u003e\u003cp\u003eInstall the main unit and dash remote in locations that allow secure mounting and convenient operation. Use the included connection cable and installation accessories as directed by the user manual, and confirm compatibility with the vehicle’s source unit, amplifier, and subwoofer system before wiring. Professional installation is advisable when signal routing or vehicle electrical connections are unfamiliar.\u003c\/p\u003e","brand":"AUDIOBANK","offers":[{"title":"Default Title","offer_id":45692370452671,"sku":"700987503289","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71XhKBTDhNL.jpg?v=1780695206"},{"product_id":"audiobank-1-2-din-car-audio-digital-high-performance-bass-control-machine-including-bass-processor-bass-maximizer-sound-restoration-for-subwoofer-with-bass-knob-ab-ap14","title":"Audiobank AB-AP14 1\/2 DIN Digital Bass Processor","description":"\u003cp\u003eThe Audiobank AB-AP14 is a compact 1\/2 DIN bass processor designed to give a car audio system more adjustable low-frequency control. It sits between a source unit and amplifier, allowing the bass signal to be shaped before it reaches the subwoofer amplifier. It is intended for systems where the listener wants more control than a head unit’s basic bass setting can provide.\u003c\/p\u003e\u003cp\u003eThis processor combines bass maximization and sound-restoration functions with adjustable bass level, sweep frequency, and width controls. The sweep control lets the installer target the low-frequency area being emphasized, while the width control changes how broad that enhancement is. These adjustments support system-specific tuning rather than relying on a fixed bass boost.\u003c\/p\u003e\u003cp\u003eThe AB-AP14 includes a PFM subsonic filter switch to help manage very low-frequency content in the signal path. Its bass maximizer indicator provides a visual operating reference while adjustments are being made. A power indicator is also provided to show when the processor is receiving power.\u003c\/p\u003e\u003cp\u003eA dash-mount remote control allows convenient adjustment of processed bass level from the driver’s seat. This is useful when different recordings or listening levels call for a change in subwoofer output. The remote connects to the main processor through its dedicated dash-remote connection.\u003c\/p\u003e\u003cp\u003eWith stereo RCA inputs and RCA outputs, the AB-AP14 is suited to aftermarket systems using low-level RCA signal connections. It can be used with a compatible head unit or signal source and a separate amplifier driving subwoofers. Professional installation is recommended to ensure correct power, ground, turn-on, RCA routing, and gain setup.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Processing:\u003c\/strong\u003e Shapes low-frequency content before it reaches the amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sweep:\u003c\/strong\u003e Selects the bass frequency area to emphasize.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth Control:\u003c\/strong\u003e Adjusts the bandwidth of the bass effect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash-Mount Remote:\u003c\/strong\u003e Provides convenient in-cabin bass-level adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFM Filter Switch:\u003c\/strong\u003e Helps manage ultra-low-frequency signal content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA Signal Connections:\u003c\/strong\u003e Integrates with compatible aftermarket audio components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AB-AP14 uses a compact 1\/2 DIN processor format for integration into custom car-audio installations. Its control layout includes WIDE, SWEEP, and BASS CONTROL adjustments, along with illuminated status indication. The dedicated dash remote is designed to place bass-level control within easier reach of the driver.\u003c\/p\u003e\u003cp\u003eInstall the processor in a secure, dry, ventilated location away from excessive heat and moisture. Connect the stereo RCA inputs to a compatible low-level source, route the RCA outputs to the amplifier, and connect constant 12V, chassis ground, and remote turn-on wiring as required. Start with amplifier gain set conservatively, then tune sweep, width, and bass level gradually to suit the subwoofer system.\u003c\/p\u003e","brand":"AUDIOBANK","offers":[{"title":"Default Title","offer_id":45692438380735,"sku":"700987503272","price":44.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61VAwnV62KL.jpg?v=1780695384"},{"product_id":"audiobank-5-band-in-dash-stereo-graphic-equalizer-with-line-driver-with-three-stereo-rca-outputs-frequency-response-10hz-to-50000hz-1db-maximum-output-voltage-ab-eq05","title":"Audiobank AB-EQ5 1\/2-DIN 5-Band Graphic Equalizer","description":"\u003cp\u003eThe Audiobank AB-EQ5 is a 1\/2-DIN in-dash graphic equalizer and line driver for car audio systems. It gives the installer direct control over tonal balance, signal level, front-to-rear balance, and subwoofer level from a compact dash-mounted panel. It is intended for systems using external amplifiers and RCA signal connections.\u003c\/p\u003e\u003cp\u003eIts five-band EQ section is designed to help correct the tonal effects of a vehicle interior, where bass, vocal, and treble response can vary significantly by vehicle and speaker placement. Each main EQ control provides boost or cut adjustment, allowing the system to be tuned toward a more balanced sound rather than relying only on a source unit's basic tone controls. A separate subwoofer level control supports on-the-fly bass adjustment.\u003c\/p\u003e\u003cp\u003eThe built-in 7V RMS line driver is intended to provide a stronger preamp-level signal to connected amplifiers. This can be useful in multi-amplifier installations where front, rear, and subwoofer channels need clean, separate RCA signal feeds. The AB-EQ5 provides three stereo RCA output pairs for those amplifier connections.\u003c\/p\u003e\u003cp\u003eIn addition to its main source path, the AB-EQ5 includes an auxiliary stereo RCA input for analog external audio sources. Front\/rear fader, master-volume, input-selection, and sensitivity controls add useful system-level adjustment at the equalizer. Its low-pass subwoofer output section offers selectable crossover ranges for integrating a subwoofer amplifier.\u003c\/p\u003e\u003cp\u003eThe AB-EQ5 fits as a signal-control upgrade between an audio source and external amplifiers. It is suited to custom car audio systems that need dash-accessible EQ, fader, and subwoofer controls without replacing the existing source unit. Proper gain setting and careful RCA routing remain important for clean operation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-Band Graphic EQ:\u003c\/strong\u003e Provides adjustable tonal shaping for the main audio signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7V RMS Line Driver:\u003c\/strong\u003e Supplies a higher-voltage preamp signal to compatible amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Separately feeds front, rear, and subwoofer amplifier channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level Control:\u003c\/strong\u003e Lets you adjust bass output from the dash.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary RCA Input:\u003c\/strong\u003e Accepts an additional analog stereo audio source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Low-Pass Filter:\u003c\/strong\u003e Supports subwoofer signal tuning with two crossover ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AB-EQ5 uses a compact 1\/2-DIN in-dash format with ISO mounting holes and a removable trim ring for a clean custom-install appearance. Gold-plated RCA connections are specified for its signal terminals. The control layout places EQ, master level, subwoofer level, fader, and source-selection adjustments within reach from the driver position.\u003c\/p\u003e\u003cp\u003eInstall the equalizer in a suitable 1\/2-DIN dash location and connect it between the audio source and external amplifier inputs using stereo RCA cables. It operates from an 11–15V negative-ground electrical system, so it is intended for conventional negative-ground vehicles. Use the front, rear, and subwoofer RCA outputs with the corresponding amplifier channels, then set sensitivity and amplifier gains conservatively before making EQ adjustments.\u003c\/p\u003e","brand":"AUDIOBANK","offers":[{"title":"Default Title","offer_id":45692547760319,"sku":"700987503258","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61a1ZCMI0uL.jpg?v=1780695730"},{"product_id":"audison-spm4","title":"Audison SPM4 DRC MP Digital Remote Control","description":"\u003cp\u003eThe Audison DRC MP is a dashboard-mounted digital remote control for compatible Audison car-audio processors, DSP amplifiers, and multimedia components. It provides direct access to frequently used system adjustments from the driving position instead of requiring a PC for routine changes. This makes it useful in systems where source selection, volume, subwoofer level, or saved DSP tuning presets need to be adjusted during everyday use.\u003c\/p\u003e\u003cp\u003eDesigned for Audison products using the AC Link control bus or a compatible DRC input, the DRC MP serves as the user interface for the connected component rather than as an audio source, amplifier, or DSP. It can control master volume, subwoofer volume, fader, balance, and available sources. The exact menu options shown depend on the connected Audison equipment and its configuration.\u003c\/p\u003e\u003cp\u003eThe controller uses a microprocessor-based digital interface with a joystick for menu navigation and adjustment. Its display uses white characters and includes a front light sensor that can automatically adjust display brightness when Day \u0026amp; Night mode is enabled. The keypad can be configured in one of 42 colors to better coordinate with the vehicle dashboard.\u003c\/p\u003e\u003cp\u003eFor compatible Audison DSP and Prima products, the DRC MP can recall stored DSP memories and access supported settings such as Dynamic EQ, Bass Boost, and AutoIN Level Adjustment. These functions are dependent on the connected product supporting them and being configured accordingly. Up to four stored memories can be recalled when used with compatible Audison DSP or AP Prima equipment.\u003c\/p\u003e\u003cp\u003eThe DRC MP also supports expanded operation when an Audison bit Play HD is part of the system. Its Player Menu can set the bit Play HD standby delay, while Navi Command lets the joystick browse the player menu. A supplied holder and 4.5 m \/ 177 in. DRC\/AC Link cable support clean mounting and connection in a vehicle installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Link Control:\u003c\/strong\u003e Connects to compatible Audison electronics for centralized system operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDashboard Audio Adjustments:\u003c\/strong\u003e Controls master volume, subwoofer level, fader, balance, and sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoystick Navigation:\u003c\/strong\u003e Four-direction joystick navigates menus and supported player functions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Keypad Lighting:\u003c\/strong\u003e Select from 42 keypad colors for dashboard coordination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSP Memory Recall:\u003c\/strong\u003e Accesses up to four stored memories on compatible products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Display Dimming:\u003c\/strong\u003e Built-in sensor supports display brightness adjustment in Day \u0026amp; Night mode.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe DRC MP has a slim 87 x 36 x 11 mm chassis, a matte-black finish, white-character display, and Rubber Touch-finished joystick. A supplied holder measures 92 x 41 mm and is intended to help position the controller neatly on the dashboard or another accessible interior surface. The display includes a light sensor, so the sensor area should remain unobstructed after mounting.\u003c\/p\u003e\u003cp\u003eInstall the DRC MP only with the supplied DRC\/AC Link cable, which measures 4.5 m \/ 177 in. Connect it to a compatible Audison device with an AC Link bus or DRC input, then configure available functions through the connected product. Route the cable away from sharp metal, heat sources, and moving vehicle parts, and use appropriate protection where wiring passes through metal openings.\u003c\/p\u003e","brand":"AUDISON","offers":[{"title":"Default Title","offer_id":45771455496383,"sku":"SPM4","price":232.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/611rR0mQ2qL_00bca87f-d697-4fa1-aeae-8e55d56c2f1d.jpg?v=1782363088"},{"product_id":"hifonics-hf7beq","title":"Hifonics HF7BEQ 7-Band Equalizer with Crossover","description":"\u003cp\u003eThe Hifonics HF7BEQ is a 7-band car-audio equalizer and two-way crossover designed to place system tuning controls within easy reach. It helps tailor tonal balance while providing separate output paths for front, rear, and subwoofer amplification. This makes it a practical addition to multi-amplifier systems that need more source-level adjustment than a basic head unit provides.\u003c\/p\u003e\u003cp\u003eIts seven fixed equalization bands cover low bass through upper treble, allowing users to reduce or raise specific areas of the audio spectrum. Each band offers up to 12 dB of cut or boost, so adjustments can be made for vehicle acoustics, speaker character, or listening preference. Dedicated master-volume, subwoofer-level, and front\/rear-fader controls provide additional day-to-day system management.\u003c\/p\u003e\u003cp\u003eThe HF7BEQ is suited to aftermarket systems using external amplifiers, as well as upgrades retaining a factory radio. It accepts RCA, speaker-level, and 3.5 mm auxiliary inputs, with source selection available from the unit. A CD\/RCA input-level control helps match the processor to the line-level output of a compatible source unit.\u003c\/p\u003e\u003cp\u003eA built-in 9-volt line driver supports a stronger preamp signal for connected amplifiers, while the three stereo RCA output groups organize front, rear, and subwoofer channels. The subwoofer outputs use a selectable low-pass crossover frequency of 60 Hz, 80 Hz, or 120 Hz. This arrangement helps separate bass amplification from the front and rear speaker amplifier paths.\u003c\/p\u003e\u003cp\u003eThe half-DIN form factor supports in-dash or under-dash installation, making the HF7BEQ useful where a full-size processor is unnecessary. It can serve as a central control point when adding amplifiers and a subwoofer to an existing system. Blue-illuminated control knobs and a selectable front-illumination function make the controls easier to locate in low-light conditions.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band Equalizer:\u003c\/strong\u003e Adjusts key frequencies from bass through treble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Volt Line Driver:\u003c\/strong\u003e Provides higher-voltage preamp output for amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Supplies dedicated front, rear, and subwoofer signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Subwoofer Crossover:\u003c\/strong\u003e Chooses 60, 80, or 120 Hz low-pass filtering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Input Types:\u003c\/strong\u003e Supports RCA, speaker-level, and 3.5 mm auxiliary sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Level Controls:\u003c\/strong\u003e Manages master volume, subwoofer level, and fader.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe HF7BEQ uses a compact half-DIN chassis with blue-illuminated control knobs and a selectable front LED illumination function. Hifonics includes mounting brackets and hardware for installation. The manufacturer does not specify the chassis material, but the layout is designed for accessible front-panel adjustment.\u003c\/p\u003e\u003cp\u003eMount the unit in or under the dash only after confirming adequate depth and clearance behind the chosen location. Connect it to fused constant or switched +12-volt power, chassis ground, and the source unit's remote-output lead; a 2-amp in-line fuse is specified. Use RCA inputs with an aftermarket radio, high-level inputs with speaker-output sources, or the 3.5 mm auxiliary input for a compatible portable audio source.\u003c\/p\u003e","brand":"HIFONICS","offers":[{"title":"Default Title","offer_id":45776293888191,"sku":"HF7BEQ","price":35.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61h8JM0OB_L.jpg?v=1782490323"},{"product_id":"hifonics-hfeq7","title":"Hifonics HFEQ7 7-Band Half-DIN Car Audio Equalizer","description":"\u003cp\u003eThe Hifonics HFEQ7 is a half-DIN car-audio signal processor that combines seven-band equalization, source selection, line driving, and active crossover functions. It is intended to give an aftermarket system more hands-on tonal adjustment than a typical head unit provides. Front, rear, and subwoofer outputs support systems using separate amplifiers for speaker zones and bass.\u003c\/p\u003e\u003cp\u003eThis equalizer is suited to listeners building or refining a multi-amplifier vehicle audio system, as well as installations retaining a factory radio with speaker-level outputs. It accepts RCA\/CD input, high-level speaker input, and a front-mounted 3.5 mm auxiliary input. An input selector lets the user choose the connected source rather than relying on a single source connection.\u003c\/p\u003e\u003cp\u003eSeven center frequencies cover low bass through upper treble: 50 Hz, 125 Hz, 315 Hz, 750 Hz, 2.2 kHz, 6 kHz, and 16 kHz. Each band offers up to 12 dB of cut or boost for targeted tonal changes. Separate master-volume, front-to-rear fader, and subwoofer-level controls provide straightforward system-level adjustment.\u003c\/p\u003e\u003cp\u003eThe built-in line-driver stage is specified to deliver more than 9 volts of maximum output through the RCA outputs. This can help provide a stronger preamp-level signal to compatible external amplifiers. The unit also includes selectable 60 Hz, 80 Hz, and 120 Hz subwoofer low-pass settings, with 12 dB-per-octave crossover slopes.\u003c\/p\u003e\u003cp\u003eThe HFEQ7 fits into an upgrade path between the radio or media source and external amplifiers. Its half-DIN chassis can be mounted in or under the dash when suitable clearance is available. With front, rear, and subwoofer outputs, it can serve as a central control point for a three-zone amplified audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band EQ:\u003c\/strong\u003e Adjusts seven fixed frequency ranges from bass through treble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Volt Line Driver:\u003c\/strong\u003e Supplies a high-output preamp signal through the RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Input Types:\u003c\/strong\u003e Supports RCA, speaker-level, and front 3.5 mm auxiliary sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Crossover Outputs:\u003c\/strong\u003e Provides filtered front, rear, and subwoofer signal paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Subwoofer Crossover:\u003c\/strong\u003e Chooses 60 Hz, 80 Hz, or 120 Hz low-pass points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Level Controls:\u003c\/strong\u003e Includes master volume, subwoofer level, and front-to-rear fader controls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe HFEQ7 uses a compact half-DIN chassis with illuminated blue control knobs and a front-panel auxiliary input. Its layout places equalizer sliders and primary level controls within reach for in-dash or under-dash use. Mounting hardware is included for installation.\u003c\/p\u003e\u003cp\u003eConnect the unit between the source unit and external amplifiers, using RCA input when available or the high-level input with a factory-radio speaker output. Use the front, rear, and subwoofer RCA outputs for their respective amplifier channels, and connect constant or switched +12-volt power through a 2-amp in-line fuse, chassis ground, and a remote-turn-on lead. Confirm mounting depth and route power, signal, and remote wiring away from moving parts before final installation.\u003c\/p\u003e","brand":"HIFONICS","offers":[{"title":"Default Title","offer_id":45776305782975,"sku":"HFEQ7","price":43.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81ykpyYOVYL.jpg?v=1782490516"},{"product_id":"mb-quart-mbeq7b","title":"MB Quart MBEQ7B Half-DIN 7-Band Car Audio Equalizer","description":"\u003cp\u003eThe MB Quart MBEQ7B is a half-DIN, 7-band car audio equalizer and preamp processor designed to add hands-on tone control to an amplified vehicle audio system. It provides a central point for adjusting overall volume, front-to-rear balance, subwoofer level, and key frequency ranges. This makes it useful when a source unit does not offer enough sound-shaping control or when additional signal management is needed.\u003c\/p\u003e\u003cp\u003eIts seven adjustable EQ bands cover bass, midrange, and treble regions from 50Hz through 16kHz. Each band offers up to 12dB of boost or cut, allowing targeted correction for a system, vehicle cabin, or listening preference. The result is a practical way to refine tonal balance without replacing the head unit.\u003c\/p\u003e\u003cp\u003eThe MBEQ7B uses a 9-volt preamp line-driver circuit to send a strong signal through its RCA outputs. It is specified with a 10Hz to 20kHz frequency response and a signal-to-noise ratio greater than 99dB. Front, rear, and subwoofer output sections support systems using separate amplifiers for cabin speakers and bass.\u003c\/p\u003e\u003cp\u003eMultiple source connections make this processor suitable for both aftermarket and factory-radio upgrades. It accepts RCA source input, high-level speaker input, and a front-panel 3.5mm auxiliary input for a compatible portable media device. An input selector and level controls help match source levels before the signal is sent to the equalizer and outputs.\u003c\/p\u003e\u003cp\u003eFor bass integration, the MBEQ7B includes selectable subwoofer low-pass frequencies at 60Hz, 80Hz, or 120Hz. Its front and rear channels use selectable 12dB-per-octave high-pass crossover filtering, while the subwoofer output uses low-pass filtering. This arrangement fits well between a source unit and external amplifiers in a multi-speaker car audio installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band Equalizer:\u003c\/strong\u003e Adjusts seven key frequency areas for more precise tonal tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-Volt Line Driver:\u003c\/strong\u003e Sends a high-level preamp signal through the RCA outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Subwoofer Crossover:\u003c\/strong\u003e Offers 60Hz, 80Hz, and 120Hz low-pass choices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Audio Inputs:\u003c\/strong\u003e Supports RCA, speaker-level, and front 3.5mm auxiliary sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront\/Rear\/Sub Outputs:\u003c\/strong\u003e Feeds separate amplifiers for front, rear, and subwoofer channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHalf-DIN Chassis:\u003c\/strong\u003e Saves dash space while keeping controls within reach.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe MBEQ7B uses a compact half-DIN chassis with a front-panel volume\/fader control, dedicated subwoofer level control, individual EQ controls, and selectable LED illumination. Its layout places sound-adjustment functions at the dash while keeping signal and power connections at the rear. Mounting brackets and hardware are included for under-dash or in-dash placement.\u003c\/p\u003e\u003cp\u003eInstall the unit between the source and external amplifier inputs, using the RCA input for a line-level source or the high-level input for speaker-level factory-radio signals. Connect the front, rear, and subwoofer RCA outputs to their corresponding amplifier channels, then select the subwoofer crossover frequency and set input levels carefully. The unit requires +12V power, chassis ground, remote turn-on, and a recommended 2A inline fuse.\u003c\/p\u003e","brand":"MB QUART","offers":[{"title":"Default Title","offer_id":45776337731775,"sku":"MBEQ7B","price":47.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71D9C4yrlxL.jpg?v=1782490794"},{"product_id":"cerwin-vega-cer-cvm1","title":"Cerwin-Vega CVM1 Digital Bass Enhancer","description":"\u003cp\u003eThe Cerwin-Vega CVM1 is a digital bass enhancement processor for car audio systems using RCA-level signal connections. It is designed to restore and contour low-frequency information before the signal reaches downstream audio components. This makes it a useful addition when a system needs more adjustable bass response than a head unit or amplifier alone provides.\u003c\/p\u003e\u003cp\u003eThe CVM1 is intended for enthusiasts building or refining a subwoofer-equipped system with compatible RCA signal paths. Its balanced input circuit accepts signals up to 15V RMS, helping it work with higher-voltage aftermarket preamp outputs. The processor is installed inline ahead of a crossover, equalizer, or amplifier.\u003c\/p\u003e\u003cp\u003eIts bass controls allow the user to choose the center frequency most affected by the restoration circuit, then adjust the width of the affected frequency range. The Sweep control operates from 27Hz to 63Hz, allowing tuning around the vehicle, enclosure, and subwoofer system. A separate bass output control provides selectable output settings to help match the processor to connected equipment.\u003c\/p\u003e\u003cp\u003eThe CVM1 includes a dash-mount remote control for convenient adjustment from the driver seat. The remote combines bass-level adjustment with variable PFM subsonic filtering from 35Hz to 80Hz. This gives the user a practical way to reduce unwanted ultra-low-frequency content while tailoring bass level for different recordings.\u003c\/p\u003e\u003cp\u003eThree Bass Maximizer LEDs provide visual indication when the bass-maximization circuit is active, while a separate power LED confirms operation. With RCA input and output connections, the CVM1 fits into systems using an aftermarket source unit, equalizer, crossover, or amplifier with compatible line-level connections. Careful setup is important, since bass restoration can increase low-frequency demand on amplifiers, subwoofers, and enclosures.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Bass Enhancement:\u003c\/strong\u003e Restores and shapes low-frequency information in the signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15V RMS Input Capability:\u003c\/strong\u003e Accommodates higher-voltage RCA preamp signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sweep Control:\u003c\/strong\u003e Selects a bass center frequency from 27Hz to 63Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth Control:\u003c\/strong\u003e Adjusts the range affected around the selected frequency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDash-Mount Remote:\u003c\/strong\u003e Provides driver-seat bass and subsonic-filter adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePFM Subsonic Filter:\u003c\/strong\u003e Variable 35Hz to 80Hz filtering helps manage ultra-low frequencies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CVM1 uses a compact processor chassis with panel-mounted Sweep and Wide controls, RCA input and output connections, a remote-control port, and a screw-terminal power connector. Its design also includes three Bass Maximizer indicator LEDs, a power-on LED, and internal jumpers for input grounding, ground isolation, and bass-output selection. Cerwin-Vega does not publish a chassis material specification for this model.\u003c\/p\u003e\u003cp\u003eInstall the CVM1 in an accessible, securely mounted location and connect it inline before a crossover, equalizer, or amplifier. Connect B+ to a 12V power source, remote turn-on to a 12V DC activation lead, and ground to the vehicle chassis. Start with the factory bass-output jumper setting, then set output level and subsonic filtering conservatively to suit the amplifier, subwoofer size, enclosure, and listening level.\u003c\/p\u003e","brand":"CERWIN VEGA","offers":[{"title":"Default Title","offer_id":45777989599423,"sku":"CER-CVM1","price":60.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/51zYHvQvr5L.jpg?v=1782496718"},{"product_id":"cerwin-vega-cer-cvm2","title":"Cerwin-Vega CVM2 Digital Bass Restoration Processor","description":"\u003cp\u003eThe Cerwin-Vega CVM2 is a mobile bass restoration processor designed for car audio systems with RCA preamp signal paths. It processes low-frequency content before the signal reaches the next component in the system, such as an amplifier, equalizer, or crossover. This makes it a focused upgrade for listeners who want more control over bass response than a head unit alone provides.\u003c\/p\u003e\u003cp\u003eThe CVM2 uses a Bass Driver circuit to restore and reinforce low-frequency information in the audio signal. Its bass equalization circuit is intended to contour the processed bass response for the connected speaker system. The result is a tunable low-frequency presentation that can be adjusted for the vehicle, music source, subwoofer system, and listening preference.\u003c\/p\u003e\u003cp\u003eThree front-panel controls provide access to Master Volume, Wide, and Sweep adjustments. Sweep selects the center frequency affected by bass restoration from 27 to 63 Hz, while Wide changes the range around that selected frequency. This allows the processor to be tuned around the bass character of a specific vehicle and subwoofer installation.\u003c\/p\u003e\u003cp\u003eA wired, mountable remote location controller lets the driver adjust bass level from the listening position. The remote includes an LED indicator that brightens as bass level is increased and dims as it is reduced. It also provides adjustment of the subsonic control, helping tailor low-frequency filtering without accessing the main processor.\u003c\/p\u003e\u003cp\u003eThe CVM2 fits into an RCA-based signal chain ahead of a crossover, equalizer, or amplifier. It supports two-channel preamp inputs and outputs, along with high-level signal capability for compatible source units and amplifiers. Its selectable bass-output settings also provide recommendations based on amplifier input-voltage capability and minimum speaker size.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Bass Restoration:\u003c\/strong\u003e Rebuilds and reinforces low-frequency information in the signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel RCA Signal Path:\u003c\/strong\u003e Provides stereo preamp inputs and outputs for system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePara-Bass Controls:\u003c\/strong\u003e Sweep and Wide controls tailor bass center frequency and range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Dash Remote:\u003c\/strong\u003e Places bass-level adjustment within reach of the driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubsonic Filter Control:\u003c\/strong\u003e Adjusts low-frequency filtering to suit the system setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced RCA Inputs:\u003c\/strong\u003e Helps minimize induced noise in the input signal path.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe CVM2 uses a compact processor enclosure with front-panel rotary controls, RCA signal connections, a remote-control socket, and dedicated power terminals. A power-on LED provides operating-status indication, while the separate remote controller combines bass-level and subsonic adjustments. Cerwin-Vega does not publish enclosure-material details.\u003c\/p\u003e\u003cp\u003eInstall the CVM2 in-line between an RCA-equipped source unit and the next signal-processing component or amplifier, ahead of a crossover when one is used. Power connections require 12V B+, chassis ground, and a switched 12V remote turn-on lead. Start with the factory bass-output setting, then set the Sweep, Wide, bass level, and subsonic control conservatively while matching the processor to the amplifier and speakers.\u003c\/p\u003e","brand":"CERWIN VEGA","offers":[{"title":"Default Title","offer_id":45778014535871,"sku":"CER-CVM2","price":71.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/519Za3BLAXL.jpg?v=1782496980"},{"product_id":"cerwin-vega-cer-eq770","title":"Cerwin-Vega EQ770 7-Band Parametric Car Audio Equalizer","description":"\u003cp\u003eThe Cerwin-Vega EQ770 is a 7-band car audio equalizer designed to give a compatible mobile audio system more direct control over tonal balance and signal level. It is installed between a source unit and external amplifiers, making it useful when a system needs more tuning flexibility than basic head-unit controls provide. Dedicated front, rear, and subwoofer outputs support a multi-amplifier system layout.\u003c\/p\u003e\u003cp\u003eThis processor is intended for listeners building or refining an amplified car audio system with separate bass control. Its seven EQ controls address fixed center frequencies from 50 Hz through 16 kHz, helping users adjust bass weight, vocal presence, and high-frequency balance. A master volume control and separate subwoofer-level control make it easier to tailor overall and bass output from the front panel.\u003c\/p\u003e\u003cp\u003eThe EQ770 provides up to 7 volts RMS of output for sending a strong preamp-level signal to compatible amplifiers. Its specified 10 Hz to 50 kHz frequency response, 90 dB signal-to-noise ratio, and 70 dB channel separation support clean signal routing within a properly configured system. The unit uses an onboard 30V bipolar switching power supply.\u003c\/p\u003e\u003cp\u003eFor bass-system integration, the EQ770 includes a selectable low-pass frequency setting at 60 Hz or 90 Hz. This provides a simple way to choose the low-pass point used for the subwoofer output. A front-to-rear fader control is also provided for systems using four speakers.\u003c\/p\u003e\u003cp\u003eSource flexibility includes main, auxiliary, and AUX 2\/MP3 input options, with an AUX\/Main source selector and auxiliary gain control. The EQ770 is a practical upgrade for systems using external amplifiers and RCA signal connections. Its night-illumination design keeps the front-panel controls visible during nighttime driving.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Band Equalizer:\u003c\/strong\u003e Adjusts seven fixed frequency ranges for more detailed tonal tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7V RMS Output:\u003c\/strong\u003e Sends a high-level preamp signal to compatible external amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level Control:\u003c\/strong\u003e Adjusts bass-output level independently from the main volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Low-Pass Filter:\u003c\/strong\u003e Offers 60 Hz or 90 Hz subwoofer frequency selection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Preamp Output Zones:\u003c\/strong\u003e Provides dedicated front, rear, and subwoofer signal outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAUX and MP3 Inputs:\u003c\/strong\u003e Adds source options beyond the main audio input.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe EQ770 uses a compact under-dash processor layout with front-panel rotary controls for volume, subwoofer level, fader, auxiliary gain, and equalizer adjustment. Its RCA input and output connections are nickel-plated, and the front panel includes night illumination. The control layout places frequently adjusted system settings within easy reach.\u003c\/p\u003e\u003cp\u003eMount the unit beneath the dashboard or on a suitable interior hump using the supplied-style bracket arrangement described in the manual. The wiring diagram routes the main source into the equalizer, then routes front, rear, and subwoofer outputs to their respective external amplifiers; it also requires switched +12V, ground, and remote-turn-on connections. Use the 60 Hz or 90 Hz low-pass selection with the subwoofer amplifier path, then set output levels conservatively during system tuning.\u003c\/p\u003e","brand":"CERWIN VEGA","offers":[{"title":"Default Title","offer_id":45778017190079,"sku":"CER-EQ770","price":66.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/51iswd0_9GL.jpg?v=1782497016"},{"product_id":"audiotek-at-eq500","title":"Audiotek AT-EQ500 5-Band Car Audio Graphic Equalizer","description":"\u003cp\u003eThe Audiotek AT-EQ500 is a compact car-audio graphic equalizer designed to give a system more hands-on tonal control before the signal reaches external amplifiers. Its five adjustment bands let an installer or listener raise or reduce selected portions of the audio spectrum rather than relying only on a source unit’s basic tone controls. It is intended for vehicle systems using RCA-level audio connections.\u003c\/p\u003e\u003cp\u003eThis processor is a practical option for drivers upgrading an amplified speaker system or adding a subwoofer amplifier. It provides separate level controls for the overall system, front-to-rear balance, and the subwoofer channel. That arrangement helps tailor output levels from the dashboard instead of requiring repeated amplifier adjustments.\u003c\/p\u003e\u003cp\u003eThe AT-EQ500 uses five graphic-EQ controls centered at 45 Hz, 100 Hz, 700 Hz, 2 kHz, and 15 kHz. Each band offers boost or cut adjustment, allowing measured corrections for bass weight, midrange presence, and high-frequency detail. The control layout is designed for straightforward manual tuning rather than preset-based processing.\u003c\/p\u003e\u003cp\u003eA selectable low-pass section supports the dedicated subwoofer output, with 43 Hz and 63 Hz frequency choices. This allows the subwoofer signal to be managed independently from the front and rear channels. A separate subwoofer-level control makes it easier to match bass output to the rest of the system.\u003c\/p\u003e\u003cp\u003eFor system integration, the equalizer provides three stereo RCA outputs along with auxiliary stereo RCA inputs and an input selector. The front-panel source switch selects between radio and CD inputs, while the fader control adjusts the front-to-rear output balance in a four-speaker arrangement. It fits well as a signal-control stage between an RCA-equipped source and one or more amplifiers.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-Band Graphic EQ:\u003c\/strong\u003e Adjusts five frequency regions for more tailored system voicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±12 dB Tone Range:\u003c\/strong\u003e Allows boost or cut at each equalizer band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Output:\u003c\/strong\u003e Provides a dedicated RCA signal path for a subwoofer amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Low-Pass Filter:\u003c\/strong\u003e Offers 43 Hz or 63 Hz subwoofer-frequency selection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Supports multi-channel amplified car-audio system layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSource And Level Controls:\u003c\/strong\u003e Includes input selection, master volume, fader, and sub level.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AT-EQ500 has a compact black chassis with a front-mounted control layout for direct access to fader, volume, subwoofer level, source selection, subwoofer frequency selection, and equalizer adjustments. An LED power indicator provides visible on\/off status. Its control-focused design is intended for use as an in-dash or remotely mounted signal processor in a vehicle audio installation.\u003c\/p\u003e\u003cp\u003eInstall the unit in an accessible location and connect it in the RCA signal path between the source unit and external amplifier(s). Use the auxiliary stereo RCA inputs and radio\/CD selector only with compatible line-level sources, then route the three stereo RCA outputs to the appropriate amplifier inputs. Set amplifier gains conservatively before making EQ boosts, and use the fader, master volume, and subwoofer controls to balance the completed system.\u003c\/p\u003e","brand":"AUDIOTEK","offers":[{"title":"Default Title","offer_id":45809527029951,"sku":"AT-EQ500","price":18.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71zamH9V9qL.jpg?v=1783112284"},{"product_id":"audiotek-at-eq700","title":"Audiotek AT-EQ700 5-Band Car Audio Equalizer","description":"\u003cp\u003eThe Audiotek AT-EQ700 is a car-audio graphic equalizer designed to give a compatible aftermarket sound system more direct tonal control. Its five-band adjustment section lets listeners shape the overall balance of bass, midrange, and treble to better suit their vehicle, speakers, and music. It is intended for systems using RCA-level audio connections.\u003c\/p\u003e\u003cp\u003eThis equalizer is a practical option for drivers who want more tuning flexibility than the basic tone controls on many source units. Each equalization band provides boost or cut adjustment from -12 dB to +12 dB, allowing measured corrections rather than broad, fixed presets. The separate master volume control supports convenient system-level adjustment from the equalizer.\u003c\/p\u003e\u003cp\u003eA selectable-frequency low-pass filter and adjustable subwoofer volume help integrate a subwoofer channel into the rest of the system. This makes it easier to tailor low-frequency output independently from the front and rear channels. The design is suited to systems using external amplification and RCA signal routing.\u003c\/p\u003e\u003cp\u003eThe AT-EQ700 includes three stereo RCA outputs, supporting multi-channel signal distribution in a car-audio setup. An auxiliary stereo RCA input adds a wired source connection, while the input selector allows switching between available inputs. Front-to-rear fader control provides a straightforward way to balance the main listening area.\u003c\/p\u003e\u003cp\u003eFor an upgrade path, the equalizer can be placed between a compatible source unit and external amplifiers. It adds hands-on level, fader, subwoofer, and tonal controls without replacing the vehicle's existing audio source. An LED power indicator provides visible confirmation of operating status.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-Band Equalizer:\u003c\/strong\u003e Adjusts five tonal areas for more tailored sound balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-12 dB to +12 dB Adjustment:\u003c\/strong\u003e Provides boost and cut control for each EQ band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Low-Pass Filter:\u003c\/strong\u003e Helps tailor bass routing for a subwoofer channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Stereo RCA Outputs:\u003c\/strong\u003e Supports signal distribution to compatible audio components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary RCA Input:\u003c\/strong\u003e Adds a wired stereo input for an external source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level Control:\u003c\/strong\u003e Adjusts subwoofer-channel output independently.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe AT-EQ700 uses a control-focused layout with dedicated equalizer, master-volume, fader, and subwoofer-level adjustments. Its confirmed product information also includes an LED power on\/off display. Housing materials, finish details, and physical dimensions are not specified in the available product data.\u003c\/p\u003e\u003cp\u003eInstall the equalizer in a location that provides access to its controls and allows safe routing of power, ground, input, and output wiring. Use compatible stereo RCA cables for the auxiliary input and the three stereo RCA outputs, then connect the outputs to the appropriate downstream audio components. Set equalizer and subwoofer levels conservatively during initial setup to match the connected source unit and amplifiers.\u003c\/p\u003e","brand":"AUDIOTEK","offers":[{"title":"Default Title","offer_id":45809527062719,"sku":"AT-EQ700","price":18.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/710RhJ4qWuL.jpg?v=1783112286"},{"product_id":"memphis-ll2l","title":"Memphis LL2L 2-Channel Line Output Converter","description":"\u003cp\u003eThe Memphis LL2L is a 2-channel line output converter designed to add preamp-level RCA outputs to a factory or aftermarket car audio system. It provides an interface for sending audio signal from speaker-level wiring to an external amplifier. This makes it a practical component for upgrades that retain the original radio.\u003c\/p\u003e\u003cp\u003eBuilt for OEM-system integration, the LL2L supports OEM load detection to help maintain the load expected by compatible factory audio systems. Its differential balanced inputs and low-impedance outputs are designed for stable signal transfer. The result is a converter focused on clean signal routing between the source unit and amplifier.\u003c\/p\u003e\u003cp\u003eVariable gain adjustment allows the output level to be matched to the connected amplifier. An integrated LED clip indicator helps identify when the signal level is approaching clipping during setup. This gives installers a visual reference when setting the converter's output.\u003c\/p\u003e\u003cp\u003eThe LL2L includes selectable DC-offset and audio-detect turn-on options for systems without a conventional amplifier remote lead. It also generates a +12V remote output for activating a connected amplifier. These functions can simplify integration with compatible factory radios.\u003c\/p\u003e\u003cp\u003eIts compact aluminum chassis is intended for installations where available space is limited. Locking detachable power and speaker terminals help keep wiring secure, while panel-mount RCA jacks provide a fixed connection point for signal cables. With up to 11V of preout voltage, the LL2L is suited to two-channel amplifier integration or as a signal source for an expanded audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Channel Conversion:\u003c\/strong\u003e Provides two channels of line-level output for amplifier integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Load Detection:\u003c\/strong\u003e Supports compatible factory systems that require load detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferential Balanced Inputs:\u003c\/strong\u003e Designed to accept balanced speaker-level input signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Gain Control:\u003c\/strong\u003e Allows output level adjustment to match the connected amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Clip Indicator:\u003c\/strong\u003e Gives a visual reference while setting signal level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Turn-On:\u003c\/strong\u003e Offers DC-offset or audio-detect activation with generated +12V remote output.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe LL2L uses a compact aluminum chassis with locking detachable power and speaker terminals. Its panel-mount RCA jacks are designed to provide a secure, fixed signal connection. The compact enclosure measures 2.76 inches wide, 2.85 inches long, and 1.10 inches high.\u003c\/p\u003e\u003cp\u003eInstall the converter between compatible speaker-level source wiring and the RCA inputs of an external amplifier. Select the appropriate DC-offset or audio-detect turn-on method for the vehicle, then use the variable gain and LED clip indicator during level setup. The generated +12V remote output can be used to trigger a compatible amplifier.\u003c\/p\u003e","brand":"MEMPHIS","offers":[{"title":"Default Title","offer_id":45834442342591,"sku":"LL2L","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71i83Swkh2L.jpg?v=1783627610"},{"product_id":"memphis-ll6bxl","title":"Memphis LL6BXL 6-Channel Line Output Converter","description":"\u003cp\u003eThe Memphis LL6BXL is a six-channel line output converter designed to integrate aftermarket amplifiers with a vehicle’s factory audio system. It accepts speaker-level signals and provides adjustable line-level output for an expanded audio system. This makes it a practical interface when retaining the original radio is preferred or required.\u003c\/p\u003e\u003cp\u003eIts six active speaker-level input channels are rated to handle up to 40V, supporting connection to a range of factory-amplified audio systems. Discrete output-level controls allow the installer to set signal levels during system tuning. The design is intended for multi-channel upgrades involving front, rear, and subwoofer amplification.\u003c\/p\u003e\u003cp\u003eThe LL6BXL includes bass-enhancer processing to help correct factory bass roll-off. This can be useful when a factory system reduces low-frequency output as volume rises. Internal channel summing further supports integration with factory systems that divide audio signals across multiple channels.\u003c\/p\u003e\u003cp\u003eA selectable load switch helps the converter work with factory systems that monitor speaker loads. Audio-sense turn-on can activate connected equipment when an audio signal is detected, while the ground-isolation switch provides an installation option for addressing system noise. These functions give an installer multiple setup choices without replacing the factory source unit.\u003c\/p\u003e\u003cp\u003eWith up to 11.2V maximum output, the LL6BXL is built to provide a strong signal to compatible aftermarket amplifiers or processors. An RG9 wired remote is included for convenient adjustment. It fits into an OEM-retention upgrade path where the factory radio stays in place while the amplification and speakers are upgraded separately.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix Active Inputs:\u003c\/strong\u003e Accepts six speaker-level channels for multi-channel factory-system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40V Input Handling:\u003c\/strong\u003e Supports high-voltage speaker-level signals from compatible factory amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Enhancer:\u003c\/strong\u003e Helps correct bass roll-off from factory audio systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Summing:\u003c\/strong\u003e Combines channels internally when a factory signal is split.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Load:\u003c\/strong\u003e Provides load-selection flexibility for OEM audio-system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRG9 Wired Remote:\u003c\/strong\u003e Includes a remote for convenient system adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe LL6BXL uses an active six-channel conversion design with discrete level controls, internal summing, bass-enhancer processing, and switch-selectable integration functions. Memphis does not publish an enclosure-material specification for this model. Its layout is focused on providing signal conversion and adjustment functions for an aftermarket amplifier installation.\u003c\/p\u003e\u003cp\u003eInstallation involves connecting the converter to appropriate factory speaker-level signals, providing the required vehicle power and ground connections, and routing its line-level outputs to compatible amplifiers or processors. Set the load-selection and ground-isolation switches according to the vehicle and installation requirements, then adjust output levels as part of system tuning. Professional installation is recommended when working with amplified, factory-processed, or complex OEM audio systems.\u003c\/p\u003e","brand":"MEMPHIS","offers":[{"title":"Default Title","offer_id":45834443129023,"sku":"LL6BXL","price":98.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/61feqxZkDfL.jpg?v=1783627641"},{"product_id":"memphis-eql7","title":"Memphis EQL7 7-Band Half-DIN Graphic Equalizer","description":"\u003cp\u003eThe Memphis EQL7 is a half-DIN, 7-band graphic equalizer and preamp designed to give a car audio system more direct tonal and level control. It fits between a source unit and amplifiers to help correct for vehicle acoustics, speaker placement, or personal listening preferences. This used, very-good-condition unit is suited to systems that use RCA-level signal connections.\u003c\/p\u003e\u003cp\u003eIts seven EQ controls cover bass, midrange, and treble frequencies from 50Hz through 16kHz. Each band provides up to 18dB of boost or cut, allowing targeted adjustments instead of relying solely on a head unit's basic tone controls. The result is a more configurable signal before it reaches the amplifiers.\u003c\/p\u003e\u003cp\u003eThe EQL7 combines equalization with master volume, fader, input selection, and subwoofer-level controls on its front panel. Separate left and right sensitivity adjustments for the main and auxiliary inputs help match the processor to connected source equipment. An adjustable subwoofer-frequency control adds another point of system tuning for installations with a dedicated subwoofer amplifier.\u003c\/p\u003e\u003cp\u003eMemphis specifies a low-noise BI-FET op-amp design and an onboard 30V bipolar switching power supply. The unit is rated for a maximum output of 9.75V RMS, with 20dB of headroom to help accommodate strong source signals. Its specified frequency response is 10Hz to 50kHz within +\/-1dB.\u003c\/p\u003e\u003cp\u003eWith its universal half-DIN chassis, the EQL7 is intended for custom dashboards, center consoles, or other accessible mounting locations. It is a signal processor rather than an amplifier, so it requires a compatible 11-15V negative-ground electrical system and RCA-connected downstream equipment. It can be used as a central control point in a multi-amplifier system with front, rear, and subwoofer channels.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven-Band Equalization:\u003c\/strong\u003e Adjusts 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, and 16kHz bands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18dB Boost\/Cut:\u003c\/strong\u003e Provides substantial adjustment range for each equalizer band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain\/Aux Input Selection:\u003c\/strong\u003e Lets you select between main and auxiliary signal inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Input Sensitivity:\u003c\/strong\u003e Left and right controls help match connected source signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer Level Control:\u003c\/strong\u003e Provides front-panel adjustment of subwoofer output level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Voltage Preamp Stage:\u003c\/strong\u003e Delivers up to 9.75V RMS maximum output.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe EQL7 uses a universal half-DIN chassis, gold RCA input\/output jacks, and dual-color backlighting for control visibility. Its low-noise BI-FET op-amp circuit and onboard 30V bipolar switching supply are intended to support a clean preamp signal path. The unit is specified for 11-15V negative-ground electrical systems.\u003c\/p\u003e\u003cp\u003eInstall the equalizer in an accessible half-DIN opening or custom panel location, then connect it between the source unit and amplifier inputs using RCA cables. Begin setup with EQ controls set flat and input gains at minimum, then match levels gradually to avoid audible distortion. Verify the included hardware and accessories for this used unit before installation, as package contents can vary by individual listing.\u003c\/p\u003e","brand":"MEMPHIS","offers":[{"title":"Default Title","offer_id":45834443292863,"sku":"EQL7","price":61.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/71EzIlgMTFL.jpg?v=1783627656"},{"product_id":"memphis-ll2be","title":"Memphis LL2BE 2-Channel Line Output Converter","description":"\u003cp\u003eThe Memphis LL2BE is a 2-channel line output converter designed to integrate aftermarket amplification with many factory-installed audio systems. It accepts amplified speaker-level signals and converts them into preamp-level outputs for external amplifiers. This makes it a practical option when retaining the original factory radio is preferred.\u003c\/p\u003e\u003cp\u003eIts digital bass restoration circuitry is intended to address the bass reduction that can occur in some factory systems as volume increases. The adjustable bass restoration and expansion controls allow the installer to tune the added bass compensation for the vehicle and system. A dedicated bass output supports a subwoofer amplifier, while the main output can feed a full-range amplifier.\u003c\/p\u003e\u003cp\u003eThe LL2BE uses two active speaker-level inputs rated to accept up to 400 watts per channel at 4 ohms. Its maximum preamp output is rated at 9.8 Vrms, providing a strong signal for compatible aftermarket amplifiers. The unit also includes level-matching controls to help set appropriate signal levels during installation.\u003c\/p\u003e\u003cp\u003eFor convenient integration, the converter features signal-sense turn-on capability and a 12-volt trigger output for connected amplifiers. This can reduce the need to locate a separate remote-turn-on lead in compatible installations. A selectable turn-on function is provided to support setup with factory audio systems.\u003c\/p\u003e\u003cp\u003eThe compact LL2BE is suited to factory-radio upgrade paths that add a subwoofer amplifier, a full-range amplifier, or both. Its separate main and bass outputs support single-amplifier and multi-amplifier system layouts. An included remote level control provides accessible adjustment of the bass output after installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Active Inputs:\u003c\/strong\u003e Accepts speaker-level signals from factory radios or amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Bass Restoration:\u003c\/strong\u003e Helps compensate for factory bass roll-off at higher volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain And Bass Outputs:\u003c\/strong\u003e Supports full-range and subwoofer amplifier connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Level Input Capacity:\u003c\/strong\u003e Handles up to 400 watts per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-Sense Turn-On:\u003c\/strong\u003e Activates with the factory audio system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Level Control:\u003c\/strong\u003e Allows convenient adjustment of bass-output level.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe LL2BE uses a compact chassis measuring 3.3 inches wide, 1.4 inches high, and 5 inches long, with a 6.125-inch overall length including its mounting provisions. Its control layout includes bass enhancement adjustment, bass-enhancement threshold adjustment, input and output connections, a turn-on selector, and a remote-control port. This compact format helps it fit behind trim panels, under seats, or near an amplifier when sufficient ventilation and secure mounting are provided.\u003c\/p\u003e\u003cp\u003eInstallation requires connection to power, ground, and the factory system's speaker-level signal. Connect the main output to a full-range amplifier when used, and connect the bass output to a subwoofer amplifier; the 12-volt trigger output can be used to activate connected amplifiers. For bass-restoration setup, Memphis directs installers to identify the factory system's bass drop-off point, adjust the threshold until bass returns, and then fine-tune the enhancement level to suit the system.\u003c\/p\u003e","brand":"MEMPHIS","offers":[{"title":"Default Title","offer_id":45834455843007,"sku":"LL2BE","price":51.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/810HM8dR_EL.jpg?v=1783628145"}],"url":"https:\/\/nsidistributor.com\/collections\/equalizers.oembed","provider":"NSI Audio Distributing","version":"1.0","type":"link"}