Autotek Mean Machine MM2020.1D Class-D 1 ohm Stable Monoblock Amplifier Max Power Rating: 4 ohms: 500 watts x 1 chan. 2 ohms: 1000 watts x 1 chan. 1 ohm: 2000 watts x 1 chan. Bridged, 4 ohms: 2000 watts x 1 chan. Total power output: 2000 watts Pulse Width Modulated MOSFET power supply Wired remote bass level control included LED power (green) and protect (red) indicators Soft start turn-on Mono channel operation Preamp RCA outputs to daisy chain multiple amps 3-way protection circuitry (thermal, overload, and speaker short protection) Heavy duty aluminum alloy heat-sink Input sensitivity: High level: .2V-6V Frequency Response: 15 - 150 Hz Total Harmonic Distortion (THD): <.1% Signal to Noise Ratio: >95dB Subsonic Filter: 10 - 40 Hz Variable low-pass filter: 40 - 300Hz, 12 dB/octave Variable Bass Boost: 0 to +12 dB bass boost Fuse Rating: 60 A x 1 4 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information. Authorized Internet Dealer 1-year Manufacturer's Warranty