Planet Audio AC12D 1800 Watt， 12 Inch， Dual 4 Ohm Voice Coil Car Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sensitivity SPL (1W / 1m) 88 dB， Resonant Frequency 32 Hz</li><li>Polypropylene Cone， 2 Inch Aluminum Voice Coil， Foam Surround</li><li>Sealed Enclosure Internal Volume: 1.25 Cubic Feet， Ported Enclosure Internal Volume: 2 Cubic Feet</li><li>3 Inch Round Port Circumference， 5 Inch Port Length， 34 Hz Port Frequency</li><li>5.38 Inch Mounting Height， 11 Inch Mounting Hole Diameter</li><li>Dimensions: Depth 13” x Width 13” x Height 6”</li><li>3 Year Platinum Online Dealer Warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SwNrdqzwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XGMqwfKqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41dDEAYO50L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ss4DTzKTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41V0VGWI0EL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pxcqvnRjL.jpg" noproxy>