POWER [watts/ch], 2 OHM STEREO: 90 x 4 POWER [watts/ch], 4 OHM BRIDGED MONO: 180 x 2 DYNAMIC POWER [watts]: 500 COMES WITH WIRED REMOTE: No DIMS [in] all models 2-5/16H x 7-1/8W x_L: 12-7/16 DIMS [cm] all models 5.9H x 18.0W x_L: 31.5 FREQUENCY RESPONSE [Hz]: 10-20k, +0/-1dB INPUT SENSITIVITY: High Level 250mV-10V, Low Level 125mV-5V SIGNAL-TO-NOISE RATIO: >95dB, a-weighted, re: rated power ACTIVE CROSSOVER: 12dB/octave, variable 50-200Hz, selectable high pass, low pass or all pass KickEQ BOOST: Variable 0-6dB, centered @ 40Hz KICKER 48KMA3604 360 Watt 4-Channel Marine Amplifier Boat Amp KMA360.4