Planet Audio TQ10S 1200 Watt， 10 Inch， Single 4 Ohm Voice Coil Car Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Resonant Frequency 32 Hz， Sensitivity SPL (1W / 1m) 87 dB</li><li>Treated Paper Cone， 2 Inch Aluminum Voice Coil， Foam Surround</li><li>Sealed Enclosure Internal Volume: .7 Cubic Feet， Ported Enclosure Internal Volume: 1.44 Cubic Feet</li><li>4 Inch Round Port Circumference， 12 Inch Port Length， 42 Hz Port Frequency</li><li>4.8 Inch Mounting Depth， 9.1 Inch Mounting Hole Diameter</li><li>Dimensions: Depth 10.3” x Width 10.3” x Height 5.3”</li><li>3 Year Platinum Online Dealer Warranty valid only on products Sold / Shipped by Amazon.com. This offer is not valid on purchases made from third party market place sellers</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51QIRnAxupL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51eLjANe5%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xSUDp27iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51UsZqBbwWL.jpg" noproxy>