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.
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