Description:The M400-4D is a 400 Watt 4-channel high efficiency Class-D marine amplifier featuring a Marine grade PC Board, on-board Punch EQ, variable crossover and tri-state protection circuits. 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.
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