BOSS AUDIO 4 CHANNEL 400 WATT CAR STEREO AMPLIFIER SPEAKER/SUBWOOFER AMP R1004
BOSS AUDIO R1004. BOSS R1004 400 Watt 4-Channel RIOT Car Audio High Power Amplifier. Boss Audio Riot Series R1004 Car Audio Power Amplifier. 400 WATT RIOT SERIES 4-CHANNEL POWER AMPLIFIER. Amplifier Class: Class A/B.