DX Series 5-Channel Class AB Car Amplifier with Class D Subwoofer Channel Channel 1-4 RMS Power Rating: 4 ohms: 40 watts x 4 chan. 2 ohms: 75 watts x 4 chan. Subwoofer Channel RMS Power Rating: 4 ohms: 150 watts x 1 chan. 2 ohms: 300 watts x 1 chan. RMS power output: 600 watts total High efficiency MOSFET power supply Remote bass level input (Kicker 10ZXRC remote level control sold separately) LED power and protect indicators Variable KickEQ Bass Boost (0 to +12 dB bass boost at 40 Hz) FIT (Fail-Safe Integration Technology) utilizes differential inputs to reject noise and electrical interference for the quietest operation possible and ultimate audio clarity Mono channel operation Preamp RCA outputs Muting circuit cancels out unwanted noise Balanced differential inputs for noise elimination and factory-radio compatibility Dual input sensitivity differential RCA inputs which receive high or low level signals Speaker-level input compatible (switchable) through RCA connection, Kicker 09ZISL required and sold separately 3 Automatic turn-on modes (remote, DC offset, signal sense) High-density convection heat sink for extreme heat dissipation Gold-plated RCA level inputs Gold-plated screw terminals Input sensitivity: Low level: 125mV-5V High level: 250mV-10V Variable low-pass filter (50-200 Hz, 18 dB/octave) Variable high pass subsonic filter (10-30 Hz, 18 dB/octave) CEA-2006 compliant amplifier Frequency response: 20-20,000 Hz Dimensions: 18-1/8"L x 8-5/16"W x 2-1/4"H Actual power exceeds rated power, documented inside each carton 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.