XD500/3v2: 3 Ch. Class D System Amplifier, 500 W 3-Channel Class D System Amplifier, 75 W x 2 @ 4  + 300 W x 1 @ 2  - 14.4V Rated Continuous (RMS) Power @ 14.4 V Main Channels @ 4 75 W RMS x2, Main Channels @ 2 100W RMS x2, Main Channels-Bridged @ 4 200W RMS x1,Subwoofer Channel @ 4 180W RMS x1, Subwoofer Channel @ 3	240W RMS x1, Subwoofer Channel @ 2 300W RMS x1, Subwoofer Channel @ 1.5 N/A Rated Continuous (RMS) Power @ 12.5 V Main Channels @ 4 	60 W RMS x 2 Main Channels @ 2 	90 W RMS x 2 Main Channels - Bridged @ 4	180 W RMS x 1 Subwoofer Channel @ 4 	180 W RMS x 1 Subwoofer Channel @ 3 	240 W RMS x 1 Subwoofer Channel @ 2 300W RMS x1,Subwoofer Channel @ 1.5	N/A