CERWIN VEGA HED3800.4 900-Watt 800W 4-Channel 60X4 4-Ohm Power Amplifier CERWIN VEGA 800W MAX 4CH 60X4 @ 4 OHM CERWIN VEGA 800W MAX 4CH 60X4 @ 4 OHM CERWIN VEGA 800W MAX 4CH 60X4 @ 4 OHM 800W Max 4Ch 60X4 4 Ohm