Kicker 2 12" 600W Subwoofers + Dodge Ram Quad Cab '02-New 12" Box + Amp + Wiring CompC 12 inch 600 watt (per subwoofer) 4 Ohm voice coil SVC subwoofer 600 watts max per sub, 300 watts RMS per sub High performance bass that keeps pounding Specifications: Size: 12 inches