Bundle of 2 Items: Kicker 48KMA360.4 4-Channel KMA Series Marine Amplifier w/ 47KMPK8 8AWG Power Series Wiring Kit 4-Channel KMA Series Marine Amplifier RMS Power: 4 ohms: 65 watts x 4 chan 2 ohms: 90 watts x 4 chan Bridged 4 ohms: 180 watts x 2 chan Max power output: 500 watts Sensitivity: 95dB Frequency response: 10-20,000 Hz Class D Power Supply Conformal-Coated Circuit Board ABYC/NMMA-Compliant Power Connections 316L Stainless-Steel Hardware Included Variable Low-pass Crossover: 50-200Hz at 12dB/octave Variable High-pass Crossover: 50-200Hz at 12dB/octave KickEQ™ Variable Bass Boost: 0-6db Dimensions: 12-7/16" L x 2-5/16" H x 7-1/8" W 8AWG Power Series Marine Amplifier Wiring Kit Ideal for Up to 600W Single Amplifier Connection Ignition Protected MRBF Fuse Holder for use in Marine Engine Compartment Tin-plated ABYC-compliant Brass Fuse Holder for Maximum Power Transfer and Corrosion Resistance Tin-plated full-spec wire Resist Corrosion for Long Lasting Performance 100% OFC Copper Wire