Pyramid PW1055USX 10-Inch 500 Watt Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Poly-Coated Paper Cone - Heavy Magnt Structure - SPL @ 1W/1M: 86.3dB</li><li>Non Fatiguing Rubber Suspension - 4 Ohm Impedance - Magnet Weight: 60 oz.</li><li>Stamped Steel Basket w/Golden Terminal - Impedance: 4 Ohm - Mounting Depth: 4.21''</li><li>Bumped &amp; Vented Motor Structure - 250 Watts RMS/500 Watts Peak</li><li>2'' High Temperature Kapton Voice Coil - Overall Diameter: 10.20''</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Vlp1XeS2L.jpg" noproxy>