Infinity M704A is a compact yet powerful marine amplifier that delivers impressive sound quality and versatility for your outdoor audio system. With 1000W peak power and RMS power output of 100W x 4 at 2Ω or 70W x 4 at 4Ω, it can effortlessly drive your Infinity marine speakers to their full potential. The selectable all-, high-, or low-pass crossovers with variable electronic frequency adjustment provide precise system tuning options for a customized listening experience.