Polk Audio 10" 200 Watt HTS Powered Subwoofer (HTS10) $325 or BO

The Polk HTS 10 subwoofer enhances home theater and music listening with powerful deep bass. It features a long-throw Dynamic Balance 10” driver, patented Power Port technology and a state-of-the-art 200W Class D amplifier. Easily to access controls for volume, low pass filter, and phase correction. Connect via LFE (unfiltered / low pass disabled) or stereo line level RCA inputs. Great condition, asking $325.