Price Match Guarantee Rockford Fosgate R2-750X1 Prime Series Mono Subwoofer Amplifier - 750 Watts RMS x 1 at 1 ohm The Prime R2-750X1 is a full-range class-D mono amplifier, capable of operating at 4Ω, 2Ω or 1Ω mono and rocking 750 Watts of RMS power. This amplifier is extremely efficient because of its class D technology, which reduces demand on the vehicles electrical system. The amp also features C.L.E.A.N. circuitry to help you adjust your gain settings and the unique P.O.W.E.R. supply conti