The Kicker 4-Ohm Subwoofer features a constant-contact back-bracing cone that eliminates distortion. With an injection molded SoloKon cone that has an optimized polyfoam ribbed surround, you can depend on this Kicker 12" Subwoofer to be a long-lasting, high-quality audio accessory. The Kicker Subwoofer has an extremely rigid cone, to bring you clear-sounding thumping bass without echoing or distortion. The Kicker Single 4-Ohm Subwoofer features Kicker"s Spiralead technology, and the tinsel leads are woven into the spider. With a single high-temperature voice coil and four ohms of impedance, this Kicker 12" subwoofer offers optimum performance. This Kicker Single 4-Ohm Subwoofer measures 12" long x 12" wide x 5.88" high and has a 5- 7/8" mounting depth. Kicker C124 12" (300MM) 4-Ohm Subwoofer: * Power Handling: Peak: 300W, RMS: 150W * Impedance: 4 ohms * Injection molded SoloKon cone * Optimized polyfoam ribbed surround * Extremely rigid cone, along with 360-degree back bracing eliminates distortion * Double stitched surround for enhanced durability * Tinsel leads woven into the spider with Kicker"s Spiralead technology * Single high-temperature voice coil * 45 oz magnet structure * Frequency Response: 27-500Hz * Sensitivity: 88.3 dB * Mounting Depth: 5-7/8" * One Subwoofer