Prime Marine 400 Watt Full-Range Class-D 4-Chanel Amplifier M400-4D
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.
- 2 Year Warranty
Element Ready™ - Amps
These amplifiers are protected against Dust, UV, Corrosion, and feature Stainless hardware.
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's ...
This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 ...
Full Range Class-D
A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces ...
138 Watts x 4 @ 2-Ohm
255 Watts x 2 @ 4-Ohm Bridged
(RMS Continuous Power)
100 Watts x 4 @ 2-Ohm
200 Watts x 2 @ 4-Ohm Bridged
Rear Channels: Variable 50Hz - 500Hz @ 12dB/octave
(5cm x 17.20cm x 23.10cm)
75% @ 2-Ohm
75W x 4 @ 4Ω
(Sum of Rated Power)
Knowledge Base Articles
Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.
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