12-INCH SUBWOOFER: One Kicker CompVR round 12 Inch Car Audio Subwoofer for serious bass power 800 WATTS POWER: MAX Power Handling: 800 Watts; RMS Power Handling: 400 Watts DUAL VOICE COIL: Dual voice coil 2ohm impedance, 86.9 dB sensitivity and 25 - 500 Hz frequency response; High temp coil wire SANTOPRENE SURROUND: Features a progressive roll spider and santoprene surround for linear cone movement SPECIFICATIONS: Mounting depth: 6.25 inches; Mounting diameter: 11 inches; Min Sealed Box Volume: .1 cu. ft.; Max Sealed Box Volume: 4.6 cu. ft.; Min Vented Box Volume: 1.75 cu. ft.; Max Vented Box Volume: 2.25 cu. ft.; Manufacturer : 1-year Item Weight : 6.57 kilograms Power source type: Corded Electric The Kicker CompVR CVR122 800W subwoofer delivers 400 watts RMS power and boasts a 12 inch speaker with dual 2-ohm voice coils encased in a rugged black enclosure for deep bass.