2) ROCKFORD R2SD4-12 12 Inch Subwoofers + Dodge Ram Quad Cab Box + Amp + Wiring Power Handling (Max): 500 Watts per sub (1000 Watts per pair) Power Handling (RMS): 250 Watts per sub (500 Watts per pair) 12-gauge compression terminals Integrated PVC trim ring Liner spider with embedded 16-gauge tinsel leads