MB Quart RA1-750.1 Reference Series mono subwoofer amplifier — 750 watts RMS x 1 at 1 ohm BMW direct fit Hi-Res Class-D amplifier technology frequency

Hi-Res Class-D amplifier technology frequency response: (-3 dB) 8 to 60

aptX/aptX HD

These speakers make a great addition to any high-powered system

Wi-Fi Certified Miracast™ for wireless screen-mirroring of select Android devices

MB Quart RA1-750.1 Reference Series mono subwoofer amplifier — 750 watts RMS x 1 at 1 ohm BMW direct fit Hi-Res Class-D amplifier technology frequencyProduct info: 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 More info: preamp and speaker level inputs speaker wire to RCA adapters required for speaker level input DC offset sensing turn on with speaker level