More on Amazon.com : http://www.amazon.com/gp/product/B000P0528K?tag=purrfectcatdi-20 <br /> <br />Polk Audio PSW110 10-Inch Powered Subwoofer (Single Black) <br /> <br />A single 10-inch subwoofer with compression circuitry to limit distortion at earth-shaking volume levels <br />Equipped with one 10-inch dynamic balance composite woofer driver <br />Features laser-based Klippel measurement technology for improved linearity and deep precise sound <br />Frequency Response 35Hz - 250Hz <br />Peak power handling 150 watts 60 watts continuous
