AcousticSoundDesign via Amazon offers the Polk Audio PSW125 150-watt 12" Powered Subwoofer in Cherry for $99.99 with free shipping. That's $49 under our November mention, $250 off, and the lowest price we could find. It features 150 watts continuous power, a 12" polymer composite cone driver, 30Hz to 225Hz frequency response, and line-level and speaker-level inputs.