Great condition mono subwoofer amplifier 600 watts RMS x 1 at 4 ohms (900 watts RMS x 1 at 2 ohms) CEA-2006 compliant Class-D amplifier technology frequency response: (+0/-1 dB) 10 to 300 Hz variable low-pass filter (50-400 Hz, 24 dB/octave) switchable subsonic filter (off, 15 Hz, 30 HZ) optional RUX-KNOB.2 wired remote level control preamp and speaker-level inputs speaker-level inputs require speaker wire to RCA adapters RCA preamp outputs quick-connect speaker connector fits wire up to 8-gauge fuse rating: 30A x 3 wiring and hardware not included with amplifier 4-gauge power and ground wire recommended 10"W x 2"H x 8"D
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