Boss P126DVC 12" 2300 Watt Car Subwoofer + Hatchback Sub Enclosure Box Peak Power Handling: 2300 Watt. Dual 4 Ohm Voice Coils. Electroplated Injected Cone. Competition Style Binding Posts Chrome Basket. Die Cast Aluminium Basket Ideal Sealed Maximum Box Volume cubic feet: 0.8 cubic feet. Ideal Sealed Minimum Box Volume cubic feet: 0.8 cubic feet. Ideal Vented/Ported Maximum Box Volume cubic feet: 1.2 cubic feet. Ideal Vented/Ported Minimum Box Volume cubic feet: 1.2 cubic feet Rockville RHB12 Single 12" .92 cu. ft. 3/4" MDF Sealed Hatchback Subwoofer Enclosure Box Designed, tested, and engineered to work perfectly with high powered subs. Designed to give the best sound quality