MB Quart OA400.4

400W Max 4-Channel Onyx Series Full Range Bridgeable Power Amplifier
MB Quart OA400.4

General Features:



  • Onyx Series 4-Channel Class SQ Car Amplifier

  • Max Power Rating:


    • 4 ohms: 50 watts x 4 chan.

    • 2 ohms: 100 watts x 4 chan.

    • Bridged, 4 ohms: 200 watts x 2 chan.


  • FLUID-FETS MOSFET Circuit maximizing power efficiency while improving sound quality

  • LED power (green) and protect (red) indicators

  • Variable Bass Boost (0 to +9 dB bass boost)

  • Built-in system diagnostics

  • 4/3/2/1 Channel operation

  • Preamp RCA outputs to daisy chain multiple amps

  • 3-way protection circuitry (thermal, overload, and speaker short protection)

  • Heavy duty Black Onyx aluminum alloy heat-sink with illuminated MB Quart design

  • Input sensitivity:


    • Level: 200mV-6V


  • Variable high-pass filter (10-1,200 Hz 24 dB/octave)

  • Variable low-pass filter (30-150 Hz 24 dB/octave)

  • Frequency response: 10-45,000 Hz

  • Dimensions: 9-7/16"W x 10-1/4"L x 2-1/4"H

  • Price: $103