The Rockford Fosgate M400-4D Marine 400 Watt Full Range 4-Chanel Amplifier 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.
- 2 Year Standard Warranty
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