Alpine HDA-M80 Status Series Mono Subwoofer Amplifier, 800 watts RMS at 2 ohms

Product highlights:mono subwoofer amplifier500 watts RMS x 1 at 4 ohms 800 watts RMS x 1 at 2 ohms Class-D amplifier technologyfrequency 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) inputsspeaker-level inputs require speaker-level inputs feature signal-sensing amplifier turn-on optional wired remote level control available quick-connect speaker and power connectors wiring and hardware not included with amplifier4-gauge power and ground wire recommended fuse rating: 30A x 3 11.4375"W x 2.125"H x 7.5"D MFR # HDA-M80 What's in the box: Alpine HDA-M80 owner's manual Mono subwoofer amplifier Three 30-amp ATO fuses (installed) Top cover (installed) Power connector plug Speaker connector plug 2 Mounting legs 2mm Allen wrench 2.5mm Allen wrench 4mm Allen wrench Four 3/4" Screws Eight 3/8" Screws Owner's manual (English/ German/ French/ Spanish/ Italian/ Swedish/ Russian/ Chinese) Alpine verification certificate Warranty information Product registration information Power wiring note