Audiopipe 4-Channel 780W 2-Ohm Class D Marine Amplifier APSR-4120GS

• 780W MAX POWER OUTPUT – Delivers strong, clean power for full-range marine audio systems
• 4 CHANNEL CLASS D DESIGN – Efficient performance with reduced heat and compact size
• FLEXIBLE WIRING OPTIONS – Supports 4 ohm, 2 ohm stereo and bridged configurations
• BASS BOOST CONTROL – Up to 12dB boost to enhance low-end response

Audiopipe 4-Channel 780W 2-Ohm Class D Marine Amplifier APSR-4120GS

This listing includes:

• (1) Audiopipe APSR-4120GS Amplifier

Take your audio system onto the water with confidence using the Audiopipe APSR-4120GS Marine Amplifier. Designed for marine and outdoor environments, this 4-channel Class D amplifier delivers strong, efficient power in a compact footprint built to handle harsh conditions.

With up to 780 watts of total power, this amplifier provides clean, reliable output for speakers and mids while maintaining efficiency and low heat. Whether you are upgrading a boat, powersports setup, or outdoor system, the APSR-4120GS delivers consistent performance with flexible tuning options.

Built-in crossovers and adjustable bass boost give you control over your sound, allowing you to fine-tune your system for clarity, punch, and balance. Its compact size makes installation easy in tight spaces while still delivering serious output.

Perfect for marine and outdoor applications, this amplifier is made for users who need dependable performance without sacrificing sound quality.

Specifications:

• Output powers (RMS) @1% 1Khz 14.4V


• Stereo @4 ohms: 4 x 120 Watts @ 39A


• Stereo @2 ohms: 4 x 195 Watts @ 71A


• Mono @4 ohms: 2 x 390 Watts @ 71A


• Frequency response: -3db - 10Hz~20KHz


• Crossover Range High and Low Pass: 30Hz ~ 300Hz 12dB / Octave


• Bass boost: 0 ~ 12dB @ 27Hz ~ 110Hz


• S/N Ratio (A wtg): >85dB


• Input Sensitivity: 0.2V – 6V


• Overvolt Protection: 16.5V


• Under-voltage protection: 8.5V

Dimensions:

• Length: 11.1"


• Width: 8.4"


• Height: 2.5"