BOSS Audio R1004 Riot 400W 4-Channel Class A/B Car Audio High Power Amplifier

NEW BOSS Audio Systems RIOT R1004 400W Car 4 Channel Power Amplifier

400W RMS 4 Channel Full Range Car Audio Amplifier Class D RCA Input

PRV Audio QS400.4 2Ohm Compact 4 Channel Digital Class D Full Range Car Amp 400W

VEVOR Car Audio Amplifier Car Amplifier 4-Channel Class D Max. 4x120W at 4 Ohms

TARAMPS Amplifier 4 Channel TS 400x4 Class D Full Range Car Audio 2 Ohms 400W

Boss Audio Systems R1004 400W 4-Channel Car Amplifier