Rockford Fosgate Prime Marine 750 Watt Class-D Mono Amplifier - M750-1d
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The M750-1D is a 750 Watt mono high efficiency Class-D marine amp featuring a Marine grade PC Board, on-board Punch EQ, infrasonic filter, variable crossover and tri-state protection circuits.

The Prime M750-1D amplifier is a 750 Watt mono 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.

  • Marine grade two part epoxy coating on circuit boards
  • 12dB/octave Butterworth crossover
  • Infrasonic filter
  • 4 Gauge power/ground connectors
  • On-board Punch EQ with +18dB boost @ 45Hz
  • Remote PLC (Punch Level Control)
  • RCA pass-thru outputs
  • Real time output and power supply thermal sensing
  • Cast aluminum heat sink
  • On-board Punch EQ with +18dB boost @ 45Hz
  • Top mounted controls
  • Tri-stage protection covers thermal, over-current and short circuits.
  • Infrasonic filter
  • 4 Gauge power/ground connectors
  • MOSFET power supply
  • Short circuit protection
  • Muted turn on
  • 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 output power ratings are REAL POWER numbers, not inflated marketing ratings.

CE Compliant

This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 EC).


High efficiency amplifier design that reduces current consumption from the charging system.

Rated Power (RMS Continuous Power)250 Watts x 1 @ 4-Ohm , 500 Watts x 1 @ 2-Ohm , 750 Watts x 1 @ 1-Ohm
Total Power (Sum of Rated Power)750 Watts RMS
Number of Channels1
CEA-2006 CompliantCEA-2006 Power Rating 250W x 1 @ 4Ω ≤1.0% THD+N
Tone Controls0dB to +18dB @ 45Hz
Signal InputLow Level: 1 RCA Pair
Remote ControlsPunch Level Control (when connected, is linked to "gain control" to provide remote output level)
Speaker Output ConnectorBlock
Speaker Wire Gauge12 AWG
Heat Sink TypeCast Aluminum
Frequency Response20Hz to 250Hz +/-1dB
Dimensions (H x W x D)1.97" x 6.77" x 9.10" (5cm x 17.20cm x 23.10cm)
Visual IndicatorsPower Protect
Circuit Topology ClassClass D
Shipping Weight6.6 Lbs. (2.99 Kg.)
Dynamic Power(PVC/PowerCube®)308 Watts x 1 @ 4-Ohm , 565 Watts x 1 @ 2-Ohm , 769 Watts x 1 @ 1-Ohm
Efficiency (average)85% @ 4-Ohm , 85% @ 2-Ohm , 80% @ 1-Ohm
Crossover ControlsVariable 50Hz - 250Hz @ 12dB/octave
Signal OutputLow Level: 1 RCA Pair
Power Input ConnectorBlock
Power Wire Gauge4 AWG

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