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Product Image MB Quart  RA1-750.1 750 WATT RMS POWER 1 OHM

MB Quart RA1-750.1 750 WATT RMS POWER 1 OHM





MB Quart Reference series mono subwoofer car audio amplifier featuring innovative sound quality and power technology. The RA1-750.1 is a 750 watt 1 ohm stable car audio amplifier. Reference amplifiers feature DC Sensing to allow any amplifier to be easy integrated into an OEM system by simply adapting a RCA cable from the source unit. Bass remote is included.




  • mono subwoofer amplifier
  • 300 watts RMS x 1 at 4 ohms
  • 500 watts RMS x 1 at 2 ohms
  • 750 watts RMS x 1 at 1 ohm
  • variable low-pass filter (50-250 Hz, 12 dB/octave)
  • variable bass boost (0-12 dB at 45 Hz)
  • switchable subsonic filter (Off/25 Hz, 12 dB/octave)
  • wired remote bass level control included
  • preamp and speaker-level inputs
  • speaker wire-to-RCA adapters required for speaker-level input
  • DC offset-sensing turn-on with speaker-level input
  • wiring, fuse, and hardware not included with amplifier
  • 4-gauge power and ground leads and an 80A fuse recommended
  • dimensions: 13-3/4""""W x 2-1/4""""H x 5-7/8""""D
  • warranty: 1 year