Kicker 44CVX122 - 12" CompVX 2 Ohm - CompVX 12-Inch (30cm) Subwoofer, DVC, 2-Ohm, 750W. The CompVX™ stands alone among round subwoofers, using all of the exclusive Solo-Baric® L7 design and performance features except the square shape. 12" CompVX 2 Ohm The cast aluminum basket comes with a motor-cooling perimeter venting and spring-loaded terminals that can accept up to 10-gauge wire, so when you run tons of power to this sub, it gives you loud, distortion-free bass all day long. Features Dual Two-Ohm Voice Coils Thick Polypropylene Cone Signature Double Blue Surround Stitching Ribbed Santoprene® Surround SoloKon™ Cone Reinforcement Oversized Suspension System High-Strength Insulated Tinsel Leads High Temp Voice Coil Perimeter Venting for Thermal Management Massive Ceramic Magnet UniPlate™ Extended Pole Piece & Backplate For Superior Heat Dissipation Cast Aluminum Basket Satin Nickel Spring-Loaded Speaker Terminals *The CompVX 12-Inch Subwoofer works best with a sealed or ported enclosure and 750 watts of recommended power. See Recommended Amp RMS Power for more details. Amp RMS Power Specifications Size (IN.,CM) 12, 30 Impedance (OHMS) 2 DVC Max Rec Amplifier Power (WATTS PEAK/RMS)* 1500/750 Sensitivity (dB 1w/1m) 87.1 Frequency Response (Hz) 20-500 Mounting Depth (in, cm) 6-11/16, 16.9 Mounting Cutout (in, cm) 11-1/16, 28 Min Sealed Box Vol (cu. ft, L) 1.0, 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, 63.7 What's in the box? one 12-inch subwoofer, one owner's manual, two stickers *Assumes typical music program with minimal amplifier clipping; varies with enclosure size. See Store for details. **Port Volume Excluded.