Fusion® Apollo™ marine amplifiers are the difference between hearing the music and feeling it. These amplifiers are efficient, easy-to-install and designed exclusively for use with compatible Fusion DSP-enabled stereos (Apollo RA770, Apollo RA670, Apollo WB670 and RA210) and Fusion speakers. The 6 channel amplifier is designed to power up to six pairs of speakers or four pairs of speakers and one subwoofer with its 1800-watts peak power (150-watt RMS per channel) and features the Easy Tune feature to automatically regulate audio settings for the best sound quality without manual adjustments (requires setup using the Fusion-Link™ app on a compatible smartphone). True-Marine™ designed, the Apollo amplifiers come with a 3 year limited consumer warranty.