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Rockford Fosgate  M400-4D

Prime Marine Series 400 Watts, Full-Range, Class-D, 4-Chanel Amplifier

Item #33193

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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.

  • Maximum Power : 510 Watts
  • Low Frequency Response : 20 Hz
  • High Frequency Response : 20000 Hz
  • Number of Channels : 4
  • Frequency Response : 20-20000 Hz
  • Built In Crossovers : Yes
  • RMS Power Output : 400 Watts
  • Channel Separation : Yes
  • RMS Power Range : 300-400 Watts
  • Amplifier Class : D

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.

  • 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.
  • Total Power : 400 Watts RMS
  • Dynamic Power : 79 Watts x 4 @ 4-Ohm / 138 Watts x 4 @ 2-Ohm / 255 Watts x 2 @ 4-Ohm Bridged
  • Frequency Response: 20Hz to 20kHz +/-1dB
  • UPC: 780687340803
  • Weight: 5.5
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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