Earthquake Sound DBXi-12D 12-inch Subwoofer with Dual 4-ohm Voice Coil， 1500 Watts<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Super Wide Edge surround is 1.25" high multi-layer foam pressed and laminated， allowing cone movement well over 2" without deformation</li><li>Hot-forged single piece T-YOKE permits a clear flow of magnetic flux， increasing efficiency</li><li>Turbo forced-air cooling system</li><li>Progressive design double spiders allows long excursion with perfect linear motion</li><li>Highest quality tensile leads for a longer life</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41sB571qZ3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51EnDSh4bXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Kh0Y-Z6TL.jpg" noproxy>