PYLE PLW10RD 10-Inch 600 Watt Subwoofer Red CD Wave Electro-Plated Polypropylene Cone Wide Butyl Rubber Surround w/New Pattern Red steel Basket Bumped Vented Extended Pole Piece 1.5'' High Tempreture Kapton Voice Coil 4 Ohms Impedance 70 oz. Magnet Structure 600 Watts Peak Power Fs:35.9, Qms:5.72, Qes:0.83, Qts:0.73, Vas (Cu ft)1.932 SPL: 86.7dB Overall Diameter: 10.16'' Mounting Depth: 4.45'' Sold as : Unit Red CD Wave Electro-Plated Polypropylene Cone - 4 Ohms Impedance - Overall Diameter: 10.16'' Wide Butyl Rubber Surround w/New Pattern - 70 oz. Magnet Structure - Mounting Depth: 4.45'' Red steel Basket - 600 Watts Peak Power Bumped Vented Extended Pole Piece - Fs:35.9, Qms:5.72, Qes:0.83, Qts:0.73, Vas (Cu ft)1.932 1.5'' High Tempreture Kapton Voice Coil - SPL: 86.7dB