JL Audio E112 12" Powered Subwoofer (Black Ash) Conveniently controlled from the E-Sub cabinets top panel, the amplifier incorporates studio-grade signal processing to make adjustments a much more enjoyable experience than rearmounted controls found on most powered subwoofers. An attractive cover hides and protects the controls during normal use. Precision-built in JL Audio's U.S. factory, all E-Sub are individually performance-verified and tested to deliver years of listening enjoyment in your home audio or home theater system. Powered Subwoofer with 12-inch Subwoofer Driver, 1500 watts