American Bass Xfl1244 12 2000w Car Audio Subwoofer Sub 2000 Watt<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>IMP-2X4 ... FO(Hz)-33.6 ... SD(msqM)-51.07</li><li>RDC-1.7 ... LEVC(MH)-2.185</li><li>QMS-3.611 ... BLTM-13.94</li><li>QES-0.497 ... QTS-0.437</li><li>n(%)-0.534 ... SPL(Db)-89.6.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51BLzItQl6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51BLzItQl6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51F4yChP1LL.jpg" noproxy>