Dual Xpr540 Wiring Diagram. Dual xpr540 1200 watt 4/3/2 channel class a/b car audio power amplifier. 150 watts x 4 channels @ 4 ohms 300 watts x 4 channels @ 2 ohms 600 watts x 2 channels @ 4 ohms (bridged) peak music power output: Subwoofer Wiring Diagram Dual 4 Ohm Wiring Diagram from annawiringdiagram.com […]