POWER THE PARTY This amp features a variable bass boost with KickEQ™, giving you as much as 6dB of extra bump. Powering as many as eight speakers, this amplifier makes your entire boat sound like a floating concert! A powerful 12dB crossover is also included, letting you quickly tune your system to perfection. Class A/B 500 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 Want setup help? Go to KICKER U for a free woofer-and-amp configuration app! This KM-Series amplifier delivers 90 watts into four channels, or 180 watts bridged into two channels. See below for more details.