H7900.4

High-Energy 4-Channel Power for Premium Car Audio

Take your vehicle audio system to the next level with the Cerwin Vega H7900.4 HED 7 Series 4-Channel Car Amplifier. Designed for powerful, full-range performance, this amplifier delivers up to 900 watts max power with clean, efficient output for speakers and component systems. Built using advanced Class A/B amplifier technology, it provides the ideal balance of sound quality, dynamic response, and dependable power delivery.

The amplifier produces 65 watts RMS x 4 channels at 4 ohms, 90 watts RMS x 4 channels at 2 ohms, and supports 180 watts x 2 bridged at 4 ohms, giving users flexible setup options for multi-speaker or high-output system configurations.

Whether upgrading factory audio or building a custom system, the H7900.4 delivers Cerwin Vega’s signature high-energy sound performance with clarity, power, and reliability.

Advanced Audio Controls & Flexible System Integration

The Cerwin Vega H7900.4 Amplifier is packed with advanced tuning features that allow precise sound customization for a wide range of vehicle audio applications. Equipped with fully variable high-pass and low-pass crossovers (35Hz–350Hz), users can fine-tune frequencies to optimize speakers, components, and subwoofers.

The built-in Vega Bass Boost EQ offers adjustable enhancement from 0 to +12dB at 45Hz, delivering stronger low-end impact when desired. With support for high-level and low-level inputs up to 12V, this amplifier easily integrates with both factory and aftermarket head units.

Additional features such as RCA pass-thru outputs simplify system expansion, while 4/3/2-channel operating capability provides installation flexibility for complex audio builds.

Durable Construction with Reliable Protection Technology

Engineered for long-lasting mobile audio performance, the Cerwin Vega H7900.4 HED Series Amplifier uses surface mount component technology and a 2-layer PCB design for enhanced durability and electrical efficiency. Its heavy-duty aluminum alloy heat sink helps manage temperature during extended high-power playback sessions.

For added protection, the amplifier incorporates thermal, overload, and speaker short protection circuitry to safeguard internal components and connected speakers. LED power and protect indicators provide clear system status monitoring, while the soft-start turn-on system helps reduce startup stress.

Compact in size yet powerful in performance, the H7900.4 offers premium sound, installation versatility, and dependable engineering for modern car audio systems.

Highlights

• 900 Watts Max Power 4-Channel Car Audio Amplifier
• Efficient Class A/B Full Range Amplifier Technology
• 65W x 4 RMS @ 4 Ohms continuous power output
• 90W x 4 RMS @ 2 Ohms high-output performance
• 180W x 2 Bridged @ 4 Ohms for flexible configurations
• 2-Ohm Stable Stereo Operation for multi-speaker setups
• Variable High-Pass Filter: 35Hz–350Hz (12dB/Octave)
• Variable Low-Pass Filter: 35Hz–350Hz (12dB/Octave)
• Adjustable Bass Boost: 0 to +12dB at 45Hz
• High-Level & Low-Level Inputs compatible up to 12V
• RCA Pass-Thru Outputs for easy amplifier expansion
• Soft Start Turn-On system for smoother operation
• Thermal, Overload & Speaker Short Protection Circuitry
• Heavy-Duty Aluminum Alloy Heat Sink cooling design
• LED Power & Protect Indicators for system monitoring

Package Contains

• 1 × Cerwin Vega H7900.4 HED 7 Series 4-Channel Amplifier
• 1 × Owner’s / User Manual
• 1 × Mounting Hardware Kit
• 1 × Fuse Set (pre-installed or included depending on packaging)
• Connection Terminal Components
• Manufacturer Retail Packaging Box