Package: Kicker 43CXA6001 600 Watt Mono Amplifier + Kicker 43CXARC Remote Control For CX or PX SERIES Car Amplifiers Kicker 43CXA6001 600 Watt RMS Class D Car Amplifier. 2-Ohm Stable Monoblock Amplifier. RMS Power Rating: .....4 ohms: 300 watts x 1 chan. .....2 ohms: 600 watts x 1 chan. Total power output: 1200 watts. Pulse Width Modulated MOSFET power supply. Kicker CXARC wired remote bass level control available and sold separately. LED power (green) and protect (red) indicators. Soft start turn-on. Mono channel operation Speaker-level (high-level) inputs via RCA (requires Kicker KISL, available and sold separately). Preamp RCA outputs to daisy chain multiple amps. 3-way protection circuitry (thermal, overload, and speaker short protection). Dual speaker terminals simplify the hookup of multiple speakers. Input sensitivity: Low level: 125mV-5V ; High level: 250mV-10V. Frequency Response: 25 - 200Hz Signal to Noise Ration: &gt;95dB. Variable Low-Pass Crossover: 50 - 200Hz 12dB/octave. Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz. Fixed Subsonic Filter @ 25hz, 24db/octave. Dimensions: 7-3/16"W x 8-1/8"L x 2-3/8"H Kicker 43CXARC Remote Control For CX or PX Series Amplifiers. Bass Remote Controller. For Kicker CX-Series and PX-Series Amplifiers. Surface Mount installation. Screws included. Primary Color: Black. Connection Type: 1/8" Stereo Jack. Dash Mountable: Yes