PYLE PLCHW12 12-Inch 2400 Watt DVC Subwoofer Titanium Injected Polypropylene Cone Non-Fatiguing Big Rubber Suspension Chrome-Platted Dome Steel Basket Magnet Sealed Within Basket Allen Key Magnet Bolts 2'' High Temperature Dual Kapton Voice Coil 2400 Watts Peak Power Impedance: Dual 4 Ohm 60 + 60 oz. Magnet Structure Fs:23.2, Qms:4.92, Qes:0.84, Qts:0.72, Vas (Cu ft)4.908 SPL: 85 dB Overall Diameter: 12.60'' Mounting Depth: 6.60'' Sold as : Unit Titanium Injected Polypropylene Cone - 2'' High Temperature Dual Kapton Voice Coil - SPL: 85 dB Non-Fatiguing Big Rubber Suspension - 2400 Watts Peak Power - Overall Diameter: 12.60'' Chrome-Platted Dome Steel Basket - Impedance: Dual 4 Ohm - Mounting Depth: 6.60'' Magnet Sealed Within Basket - 60 + 60 oz. Magnet Structure Allen Key Magnet Bolts - Fs:23.2, Qms:4.92, Qes:0.84, Qts:0.72, Vas (Cu ft)4.908