Kicker 50CVX104 10" CompVX 4-Ohm Subwoofer

The CompVX's basket is cast aluminum with motor-cooling perimeter venting and spring-loaded terminals that can accept up to 10-gauge wire. Inside the sub, the poly-cotton, semi-progressive-roll spider supplies substantial stability for the loudest bass possible. Externally, a ribbed Santoprene® surround protects the cone during max excursion. Features: Dual Four-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 Specifications Size (IN.,CM): 10, 25 Impedance (OHMS): 4 DVC Recommended Amplifier Power (watts RMS): 600 Peak Power (watts, per ANSI/CTA-2031-A): 1200 Sensitivity (dB 1w/1m): 85.7 Frequency Response (Hz): 24-500 Mounting Depth (in, cm): 5-15/16, 15.1 Mounting Cutout (in, cm): 9-3/16, 23.3 Min Sealed Box Vol (cu. ft, L): .8, 22.7 Max Sealed Box Vol (cu. ft, L): 3.0, 85.0 Min Vented Box Vol (cu. ft, L): 1.25, 35.4 Max Vented Box Vol (cu. ft, L): 1.75, 49.6 What's in the box?: One 10-inch subwoofer, one owner's manual, two stickers