Description:The KPX500.1 Mono Amplifier is purpose-built for anyone who needs big power with a tiny footprint.Plenty of Power Extremely compact footprint Dedicated subwoofer amplifier Up to 500-plus watts of power Fits under motorcycle fairings Weather-resistant design Built-in crossover controls CXARC remote bass control compatible Make your bike bump without taxing your charging system. The KPX500.1 Subwoofer Amp features a 24dB/octave variable low pass crossover and 24dB/octave variable subsonic filter to protect your subwoofers and precisely craft your sound. A wide range of input levels lets this amp easily hook up to virtually any factory or aftermarket radio on the market. To control your bass on the go, connect the optional CXARC remote.This KPX500.1 Amplifier delivers as much as 500 watts into one channelSpecifications: Power (watts/ch), 1 Ohm Mono: 500x1 Power (watts/ch), 2 Ohm Mono: 300x1 Power (watts/ch), 4 Ohm Mono: 150x1 **Dynamic Power (watts): 750 Frequency Response (Hz, +0/-3dB): 10-160 Crossovers: 40-160Hz variable lo-pass, 24dB/octave; variable subsonic hi-pass 10-40Hz, 24dB/octave KickEQ Bass Boost: selectable 0/+6dB, centered at 40Hz Dimensions (in, mm) W: 3-5/8, 92 H: 1-11/16, 42.7 L: 8-1/2, 217 CXARC Remote capable (sold separately)