The Prime M400-4D amplifier is a 400 Watt 4-channel high efficiency Class-D amplifier specifically designed for Marine and Powersport applications. The amplifier features a Marine grade PC Board, and the Class-D circuit topology is so efficient, it consumes much less current from your charging system over traditional Class-A/B amplifiers.

• 12dB/octave Butterworth crossover
• 2/4 channel input switch
• 4 Gauge power/ground connectors
• Cast aluminum heatsink
• Top mounted controls
• Marine grade 2-part epoxy coated PCB
• On-board Punch EQ with +18dB boost @ 45Hz
• Tri-stage protection covers thermal, over-current and short circuits.
• 2 Year Warranty