Kicker KX1600.1 Sub Amp KXA Series 1600 Watts. This amp is tested and functions 100% Cosmetics are pictured with signs of use Some screws were missing and replacements were used , they are the correct thread , it is not stripped out. Product highlights: mono subwoofer amplifier 800 watts RMS x 1 at 4 ohms (1600 watts RMS x 1 at 2 ohms) CEA-2006 compliant variable low-pass filter (40-160 Hz, 24 dB/octave) Kick EQ+ parametric bass boost (0-18 dB at 20-80 Hz with bandwidth adjustment 1-5) variable subsonic filter (10-80 Hz, 24 dB/octave) front-mounted controls protected behind fold-down door with magnetic latches wired remote level control included Class D amp technology with boost-converter power supply allows amp to achieve near 80 percent efficiency Fail-Safe Integration Technology eliminates noise from your vehicle's electrical system preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input)) preamp outputs 1/0-gauge power and ground leads and a 150-amp fuse recommended — wiring and hardware not included with amplifier no onboard fuses — when installing multiple amplifiers in a system, an additional 150-amp in-line fuse between the distribution block and this amplifier is recommended 11-1/4W x 2-3/16H x 9D