Rockford Fosgate M400-4D - 400 Watt Class-D 4-Chanel Amplifier Marine Boat

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.
• CEA-2006 Compliant: [CEA-2006 Guidelines] CEA-2006 Power Rating
• 75W x 4 @ 4Ω
• ≤1.0% THD+N
• Number of Channels:  4
• Rated Power (RMS Continuous Power): 75 Watts x 4 @ 4-Ohm, 100 Watts x 4 @ 2-Ohm, 200 Watts x 2 @ 4-Ohm Bridged
• Total Power (Sum of Rated Power): 400 Watts RMS
• Dynamic Power (PVC/PowerCube®): 79 Watts x 4 @ 4-Ohm, 138 Watts x 4 @ 2-Ohm, 255 Watts x 2 @ 4-Ohm Bridged
• Bridgeable
• Frequency Response:           20Hz to 20kHz +/-1dB
• Efficiency (average): 80% @ 4-Ohm, 75% @ 2-Ohm
• Crossover Controls:   Front Channels: Variable 50Hz - 500Hz @ 12dB/octave
• Rear Channels: Variable 50Hz - 500Hz @ 12dB/octave
• Tone Controls:  0dB to +18dB @ 45Hz
• Signal Input: Low Level: 2 RCA Pair
• Signal Output: Low Level: 1 RCA Pair
• Power Input Connector:  Block
• Power Wire Gauge:4 AWG
• Speaker Output Connector: Block
• Speaker Wire Gauge:  12 AWG
• Heat Sink Type:Cast Aluminum
• Cooling: Convection
• Remote Controls: n/a
• Visual Indicators: Power Protect
• Circuit Topology Class: Full Range Class-D
• Shipping Weight: 5.863 Lbs., (2.65 Kg.)
• Dimensions (HxWxL):          1.97" x 6.77" x 9.10" (5cm x 17.20cm x 23.10cm)
• Dimensional Diagram: