The M400-4D is a 400Watt 4-channel high efficiency Class-D marine amplifier designed to conform to UV and Salt-Fog protection standards. Amplifier features 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 printed circuit board is conformal coated with a UV resistant finish that conforms to industry standard UV and Salt-Fog specifications, 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 switch
4 Gauge power/ground connectors
Cast aluminum heatsink
Top mounted controls
Conformal coated PCB and UV resistant finish for UV & Salt-Fog protection
On-board Punch EQ with +18dB boost @ 45Hz
Tri-stage protection covers thermal, over-current and short circuits