B&amp;C 8BG51 Studio Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Neodymium magnet assembly^Ventilated voice coil gap for reduced power compression^2" copper voice coil on fiberglass former </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41He4IIhPhL.jpg" noproxy>