USED Rockford Fosgate R500X1D Prime 1 Channel Class D Car Amplifier. Get more out of your car audio and take it to the next level of audio perfection with the unparalleled performance of the Rockford Fosgate 500 Watt Mono D Amplifier with Remote. This Rockford Fosgate is a quality made Mono D car amplifier rated at 500 Watt x 1 Channel @ 2 Ohms RMS. The amplifier features a MOSFET power supply, cast aluminum heatsink, muted turn on, short circuit protection, over current protection, RCA pass thru outputs, high level inputs, real time output and power supply thermal sensing, and phase switch. The amplifier is CEA 2006 compliant and comes with a remote bass control. Great audio starts with a great amp, so be sure to choose quality with the Rockford Fosgate 500 Watt Mono D Amplifier.Rated power: 250 watts x 1 @ 4 ohms; 500 watts x 1 @ 2 ohmsDynamic power: 333 Watts x 1 @ 4 ohms 0 degree res; 647 watts x 1 @ 2 ohms 0 degree ResClass D, MOSFET power supply12dB / octave Butterworth crossoverOn board punch EQ with + 18dB boost @ 45HzCast aluminum heatsinkOver current protectionShort circuit protectionMuted turn onRCA pass thru outputsHigh level inputs0/180 degree phase switchReal time output and power supply thermal sensingRemote bass control included4 gauge power/ground connectorsCEA 2006 compliantWeight: 6 pounds