Kicker 48KMA3604 4 x 90 Watt 4 Channel Weather Resistant Full Range Amplifier

Highlights Big sound meets big value. Use this flexible two-channel KM marine amplifier to power your system with ease and pump up the sound like only KICKER can! Class A/B Power Supply Stereo Amplifier With Bridging Capability Conformal-Coated Circuit Board Variable 12dB Crossover KickEQ™ Variable 12dB Bass Boost ABYC/NMMA-Compliant Power Connections 316L Stainless-Steel Hardware Included  Features Weather-resistant conformal-coated circuit boards Stainless-steel no-rust hardware Preamp and speaker-level inputs (speaker wire to RCA adapter required for Speaker-level input) Wiring and hardware not included with amplifier 4-gauge power and ground leads and a 80-amp fuse recommended Dimensions: 7   ⅛" W x 2  ⁵⁄₁₆" H x 12   ⁷⁄₁₆" D Specifications  POWER [watts/ch], 2 OHM STEREO 90 x 4 POWER [watts/ch], 4 OHM STEREO 65 x 4 POWER [watts/ch], 4 OHM BRIDGED MONO 180 x 2 Dynamic Power [watts] 500 FREQUENCY RESPONSE [Hz] 10-20k, +0/-1dB ACTIVE CROSSOVER 12dB/o