600W x1@4Ω, 1000W x1@2Ω, Class D, Freq Res 10-320Hz, Variable LP 32-320Hz/12dB/oct,variable bass boost 0-12dB @45Hz, Phase SW 0,180 degrees, Wired remote level(RLC), hi-low level balanced diff inputs 200mV-20V, Strappable to 2000W@4Ω, Switchable turn on mode, Onboard protection for shorts, high temp,over voltage/under voltage w/LED status Product info: mono subwoofer amplifier 600 watts RMS x 1 at 4 ohms 1000 watts RMS x 1 at 2 ohms 2000 total watts RMS x 1 at 4 ohms when strapped to a second Reference 10001A Class D amp technology variable low-pass filter (32-320 Hz, 12 dB/octave) variable bass boost (0-12 dB at 45 Hz) phase switch (0, 180 degrees) wired remote bass control module included More Info: preamp and speaker-level inputs bare wire to RCA adapters included for high-level input preamp outputs wiring and hardware not included with amplifier 4-gauge power and ground leads recommended fuse rating: 35A x 3 dimensions: 12-5/8"W x 2-1/4"H x 7-3/4"D warranty: 1 year MFR # AMPRF10001AAM Item # 108R1000A