Alpine HDA-M80 Status Series mono subwoofer amplifier — 800 watts RMS at 2 ohms

Product highlights: mono subwoofer amplifier 500 watts RMS x 1 at 4 ohms 800 watts RMS x 1 at 2 ohms Class-D amplifier technology frequency response: (-3 dB) 8 to 400 Hz variable low-pass filter (50-400 Hz, 24 dB/octave) variable subsonic filter (8-40 Hz, 24 dB/octave) variable bass boost (0-12 dB, 50 Hz) More info: preamp and speaker-level (up to 10V) inputs speaker-level inputs require speaker wire to RCA adapters speaker-level inputs feature signal-sensing amplifier turn-on optional RUX-KNOB.2 wired remote level control available quick-connect speaker and power connectors wiring and hardware not included with amplifier 4-gauge power and ground wire recommended fuse rating: 30A x 3 11.4375"W x 2.125"H x 7.5"D warranty: 1 year MFR # HDA-M80