Earthquake Sound TNT-10S 10-inch Subwoofer with Single 4-ohm Voice Coil<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>10-inch polypropylene cone Subwoofer</li><li>Spring-loaded terminals</li><li>Single Voice Coil</li><li>Thick， high-density magnet</li><li>High roll surround</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DGlOG3vqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51sz0xD9r6L.jpg" noproxy>