TROPO-18-D4 18 Inch Car Subwoofer Dual 4 Ohm, 1300 Watts Max

MAX Power 400 Watts 1300 Watts 1300 Watts 1300 Watts. Whats in the box TROPO-18-D4 18 Dual 4 Ohm Car Subwoofer. Subwoofer Size 6.5" 10" 12" 18". RMS Power 200 Watts 650 Watts 650 Watts 650 Watts.