PYLE PLMRDW124 12-Inch 1000 Watt White 4 Ohm Marine Subwoofer 12'' High Quality White Polypropylene Cone Santoprene Surround Water-resistant Construction 2 Way Attachable Grille Design 2'' High Temperature TIL Voice Coil 80 Oz Magnet Structure 1000 Watts Rated Peak Power Frequency Response: 28Hz-2.5K Hz 4 Ohm Impedance Fs:30, Qms:7.406, Qes:0.699, Qts:0.639,X-Max(mm):8.9 Vas (Cu ft)2.53 Sensitivity: 92dB Overall Diameter: 12 7/8'' Mounting Depth: 5 5/8'' Sold as : Unit 12'' High Quality White Polypropylene Cone - 80 Oz Magnet Structure - Sensitivity: 92dB Santoprene Surround - 1000 Watts Rated Peak Power - Overall Diameter: 12 7/8'' Water-resistant Construction - Frequency Response: 28Hz-2.5K Hz - Mounting Depth: 5 5/8'' 2 Way Attachable Grille Design - 4 Ohm Impedance 2'' High Temperature TIL Voice Coil - Fs:30, Qms:7.406, Qes:0.699, Qts:0.639,X-Max(mm):8.9 Vas (Cu ft)2.53