- Class D, Monoblock, MOSFET power supply, subwoofer level control
- 4000 @1-Ohm x 1 max, 2000 @2-Ohms x 1 max
- 1000 @4-Ohms x 1 max, 8000 @2-Ohms x 1 max strapped
- Low level inputs, soft turn on circuit, power & protection LEDs
- Thermal overload speaker & short protect, master/slave switch
- Phase shift selector 0-180º, variable subsonic filter 15-40 Hz
- Variable low pass crossover 50-250 Hz, variable input gain control
- Input sensitivity selector, THD @ RMS output 0.01%, S/N Ratio 100 dB
Ramp up your vehicle's Bass with the BOSS Audio Systems AR4000D Class D Monoblock Amplifier. With 4000 Watts Max Power and MOSFET power supply, this Amplifier packs an audio punch.Customize the sound with Variable Low Pass Crossover, Bass Boost, Subsonic Filter, and Remote Subwoofer Control. Strap this Amplifier to another AR4000D for double the performance.The Armor Series of Amplifiers packs incredible power and performance into a feature-rich slim design for put-it-anywhere convenience.