General Features Amp: Class D Power Supply 725 Watts of Dynamic Power Four-Channel Amplifier with Bridging Capability Conformal-Coated Circuit Board Variable 12dB Crossover KickEQ Variable 6dB Bass Boost Real Marine ABYC/NMMA-Compliant Power Connections 316L Stainless-Steel Hardware Included POWER [watts/ch], 2 OHM STEREO: 150 x 4 POWER [watts/ch], 4 OHM BRIDGED MONO: 300 x 2 DYNAMIC POWER [watts]: 725 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 High Level Sensitivity: 250mV-10V Low Level Sensitivity: 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 General Features Amp Kit: Class D Power Supply 725 Watts of Dynamic Power Four-Channel Amplifier with Bridging Capability Conformal-Coated Circuit Board Variable 12dB Crossover KickEQ Variable 6dB Bass Boost Real Marine ABYC/NMMA-Compliant Power Connections 316L Stainless-Steel Hardware Included POWER [watts/ch], 2 OHM STEREO: 150 x 4 POWER [watts/ch], 4 OHM BRIDGED MONO: 300 x 2 DYNAMIC POWER [watts]: 725 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 High Level Sensitivity: 250mV-10V Low Level Sensitivity: 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: