Kicker CompVR 12-Inch (30cm) Subwoofer, DVC, 2-Ohm, 400W

12" CompVR 2 Ohm The CompVR 12-Inch Subwoofer is a 2Ω dual voice coil design, built for easy wiring. This subwoofer uses a large-diameter, progressive-roll spider and a Santoprene surround for truly linear cone movement. All this technology creates outstanding bass in a subwoofer built to make the mirrors shake. The CompVR 12-Inch Subwoofer works best with a sealed or ported enclosure and 400 watts of recommended power. See below for more details. Specifications SIZE [in, cm]: 12, 30 IMPEDANCE [Ohms]: 2 DVC POWER WATTS [peak/RMS]: 800/400 SENSITIVITY [dB 1w/1m]: 86.9 MOUNTING DEPTH [in, cm]: 6-1/4, 15.9 MOUNTING DIAMETER [in, cm]: 11, 27.8 MIN SEALED BOX VOL [cu. ft, L]: 1, 28.3 MAX SEALED BOX VOL [cu. ft, L]: 4.6, 130 MIN VENTED BOX VOL [cu. ft, L]: 1.75, 49.6 MAX VENTED BOX VOL [cu. ft, L]: 2.25, 63.