M400-4D
Prime Marine 400 Watt Full-Range Class-D 4-Chanel Amplifier M400-4D
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.
- 2 Year Warranty
Element Ready™ - Amps
These amplifiers are protected against Dust, UV, Corrosion, and feature Stainless hardware.
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Element Ready™ - Amps
These amplifiers are protected against Dust, UV, Corrosion, and feature Stainless hardware.
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 ...
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CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 EC).
CEA-2006
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's ...
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CEA-2006
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings.
Full Range Class-D
A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces ...
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Full Range Class-D
A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces current consumption from the charging system.
(PVC/PowerCube®)
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
Protect
(5cm x 17.20cm x 23.10cm)
(2.65 Kg.)
75% @ 2-Ohm
CEA-2006 Power Rating75W x 4 @ 4Ω
≤1.0% THD+N
(Sum of Rated Power)
Knowledge Base Articles
Return Authorization
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.
Complete Your System
Rockford Fosgate products are built to work together seamlessly for the ultimate experience.
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Punch Marine AM/FM/WB Digital Media Receiver 2.7" Display w/ CAN bus
PMX-5CANThe PMX-5CAN is an AM/FM/WB tuner and digital media receiver with 2.7" full color display with CAN bus functionality. Features CANbus functionality for connection to Raymarine MFD (Multi-Function Display) systems using PMX-CAN.
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Prime Marine 6.5" Full Range Speakers - Black
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PMX-5CAN
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RM1652W-MB
Punch Marine AM/FM/WB Digital Media Receiver 2.7" Display w/ CAN bus
The PMX-5CAN is an AM/FM/WB tuner and digital media receiver with 2.7" full color display with CAN bus functionality. Features CANbus functionality for connection to Raymarine MFD (Multi-Function Display) systems using PMX-CAN.
Prime Marine 6.5" Full Range Speakers
The RM1652 Prime 6.5" is a 2-way component system with a coaxially integrated tweeter featuring marine grade weather proofing technologies. Supplied in all white with matching grille.
Prime Marine 6.5" Full Range Speakers - Black
The RM1652B Prime 6.5" is a 2-way component system with a coaxially integrated tweeter featuring marine grade weather proofing technologies. Supplied in all black with matching grille.
Prime 6.5" Mini Can Speaker - Black
The RM1652W-MB is a black compact Element Ready™ full-range speaker with a 6.5" midrange and 1" bridge mounted tweeter. Designed specifically for motorsport cages.
Click to explore some of the products that work best.
PMX-5CAN
RM1652
RM1652B
RM1652W-MB
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