Kicker KX1200.1 KX-Series Class-D Mono Car Sub Amp 1200 Watts w/ Built-in Crossover (40KX12001) Used, excellent condition. No lowball offers will be accepted. Local pickup only Product highlights: mono subwoofer amplifier 600 watts RMS x 1 at 4 ohms (1200 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 9-5/8"W x 2-3/16"H x 9"D