mono marine amplifier 600 watts RMS x 1 at 4 ohms (1,000 watts RMS x 1 at 2 ohms) Class-D design variable low-pass filter (50-500 Hz, 12 or 24 dB per octave) switchable subsonic filter (30 Hz, 24 dB/octave) optional remote level control preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input) preamp outputs white and gray powder-coat finishes, gasketed control cover, and stainless steel hardware wiring, fuse, and hardware not included with amplifier 4-gauge power and ground leads and an 80-amp fuse recommended 14-11/16?W x 2-1/16?H x 7-1/8?D