Kicker 43CXA3001 CX300.1 CX 300W RMS Mono Car Audio Class D Amplifier/Amp+Remote Package: Kicker 43CXA3001 300 Watt RMS Class D Car Amplifier + Kicker 43CXARC Remote Control For CX or PX SERIES Car Amplifiers Kicker 43CXA3001 CXA300.1 300 Watt RMS Mono Class D Car Amplifier. RMS Power Rating: 4 ohms: 150 watts x 1 chan. 2 ohms: 300 watts x 1 chan. Peak power output: 600 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. 8-gauge power and ground leads and a 40-amp fuse recommended (Not include in this amplifier). 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. 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.