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.
Overview
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
Technologies
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 EC).
Element Ready™ - Amps
These amplifiers are protected against Dust, UV, Corrosion, and feature Stainless hardware.
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.
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.
| Specifications | |
|---|---|
| Remote Controls | n/a |
| Heat Sink Type | Cast Aluminum |
| 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 |
| 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 |
| Circuit Topology Class | Full-Range Class D |
| Frequency Response | 20Hz to 20kHz +/-1dB |
| Cooling | Convection |
| Speaker Wire Gauge | 12 AWG |
| Speaker Output Connector | Block |
| Power Input Connector | Block |
| Power Wire Gauge | 4 AWG |
| Bridgeable | Yes |
| Signal Input | Low Level: 2 RCA Pair |
| Number of Channels | 4 |
| Visual Indicators | Power Protect |
| 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.) |
| Efficiency (average) | 80% @ 4-Ohm 75% @ 2-Ohm |
| Total Power (Sum of Rated Power) | 400 Watts RMS |
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