Yamaha YST-SW105 subwoofer

Yamaha YST-SW105 active powered subwoofer, which features a 100-watt amplifier. It includes front-panel controls for volume, a high-cut filter (50Hz–150Hz), and a B.A.S.S. (Bass Action Selector System) switch to toggle between movie and music modes. The unit utilizes an 8-inch driver and has a frequency response ranging from 30Hz to 200Hz. Good condition. Pick up in Uxbridge