300W x1@4Ω, 600W 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, Switchable turn on mode, Onboard protection for shorts, high temp,over voltage/under voltage w/LED status Product info: mono subwoofer amplifier 350 watts RMS x 1 at 4 ohms 600 watts RMS x 1 at 2 ohms 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 wiring and hardware not included with amplifier 8-gauge power and ground leads recommended fuse rating: 30A x 2 dimensions: 8-5/8"W x 2-1/4"H x 7"D warranty: 1 year MFR # AMPRF6001AAM Item # 108R6001A