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Rockford Fosgate M400-4DPrime Marine 400 Watt Full-Range Class-D 4-Chanel Amplifier
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.
Highlights
- 2-Year Warranty
- On-board Punch EQ with +18dB boost @ 45Hz
- Tri-stage protection covers thermal, over-current and short circuits.
- Marine grade 2-part epoxy coated PCB
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 400 Watts RMS
- Rated Power (RMS Continuous Power)
- 75 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 79 Watts x 4 @ 4-Ohm 138 Watts x 4 @ 2-Ohm 255 Watts x 2 @ 4-Ohm Bridged
- Bridgeable
- Yes
- Frequency Response
- 20Hz to 20kHz +/-1dB
- Circuit Topology Class
- Full-Range Class D
- Efficiency (average)
- 80% @ 4-Ohm 75% @ 2-Ohm
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 400 Watts RMS
- Rated Power (RMS Continuous Power)
- 75 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 79 Watts x 4 @ 4-Ohm 138 Watts x 4 @ 2-Ohm 255 Watts x 2 @ 4-Ohm Bridged
Highlights
Overview- 2-Year Warranty
- On-board Punch EQ with +18dB boost @ 45Hz
- Tri-stage protection covers thermal, over-current and short circuits.
Overview
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.
Highlights
Key features
- 2-Year Warranty
- On-board Punch EQ with +18dB boost @ 45Hz
- Tri-stage protection covers thermal, over-current and short circuits.
- Marine grade 2-part epoxy coated PCB
- 2/4 channel input switch
- 12dB/octave Butterworth crossover
- 4 Gauge power/ground connectors
- Cast aluminum heatsink
- Top mounted controls
- Element Ready™ | Amps
- Full Range Class-D
- CE Compliant
More info
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.
Technologies
Element Ready™ | Amps
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &
Full Range Class-D
A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces current
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
CEA-2006
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your
Specs
Specifications
21
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 400 Watts RMS |
| Rated Power (RMS Continuous Power) | 75 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged |
| Dynamic Power (PVC/PowerCube®) | 79 Watts x 4 @ 4-Ohm 138 Watts x 4 @ 2-Ohm 255 Watts x 2 @ 4-Ohm Bridged |
| Bridgeable | Yes |
| Frequency Response | 20Hz to 20kHz +/-1dB |
| Circuit Topology Class | Full-Range Class D |
| Efficiency (average) | 80% @ 4-Ohm 75% @ 2-Ohm |
| Signal Input | Low Level: 2 RCA Pair |
| Signal Output | Low Level: 1 RCA Pair |
| Tone Controls | 0dB to +18dB @ 45Hz |
| Crossover Controls | Front Channels: Variable 50Hz - 500Hz @ 12dB/octave Rear Channels: Variable 50Hz - 500Hz @ 12dB/octave |
| Remote Controls | n/a |
| Visual Indicators | Power Protect |
| Power Wire Gauge | 4 AWG |
| Power Input Connector | Block |
| Speaker Wire Gauge | 12 AWG |
| Speaker Output Connector | Block |
| Cooling | Convection |
| Dimensions (H x W x D) | 1.97" x 6.77" x 9.10" (5cm x 17.20cm x 23.10cm) |
| Shipping Weight | 5.863 Lbs. (2.65 Kg.) |
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Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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