CERWIN VEGA XED12 XED 1000 Watts Max 12-Inch SVC Woofer 4 Ohms The new entry-level XED series subwoofer is the perfect upgrade to your stock system when you are looking for some low-end bass to complement the rest of your sound system. Our Xtreme Energy Design XED12 model is a 12-inch SVC 4-ohm subwoofer that is Constructed with a parabolic polypropylene cone and utilizing a unique foam blend high roll surround for accurate bass reproduction count on the XED series subwoofer to perform all day long! Match this up with our XED series amplifiers and you will be ready to start Disturbing the Peace-inch! XED Cms (mm/N) : 0.070. Xmax (mm) : 17.8. Qes : 0.62