SUNDOWN AUDIO SDX-400.1 400 W RMS MARINE POWERSPORT CAR MONOBLOCK SUB AMPLIFIER
Sundown Audio Monoblock Marine & Powersports Amplifier 400W Class D (SDX Series). 400 Watt RMS Marine & Powersports Class-D Monoblock Amplifier. Sundown Audio SDX-400.1. Digital Class-D Mono Block Amplifier.