BOSS AR4000D 4000 WATT CLASS D MONOBLOCK CAR AUDIO AMPLIFIER MONO SUBWOOFER AMP
BOSS AUDIO AR4000D. 4000 WATT MONOBLOCK ARMOR SERIES CLASS D CAR AMPLIFIER WITH WIRED REMOTE BASS KNOB. Monoblock ARMOR Series Class D Car Amplifier. 3-way protection circuitry (thermal, overload, and speaker short protection).