More from Amazon.com : http://www.amazon.com/gp/product/B000HMLP5A?tag=thefatkidin06-20 <br /> <br />Onkyo SKW204 Bass Reflex Powered Subwoofer (Black) <br /> <br />Powered subwoofer for your 51- or 71-channel surround sound system <br />Crossover control and a phase invert switch let you fine-tune the bass output <br />230 watts of power 10-inch cone <br />Auto standbyon circuitry <br />Measures 10-1316 x 18-58 x 16-78 inches
