IWS105 Subwoofer Series In Wall Subwoofer IWS105 ‹ › Technical Data: 10" Long Excursion Treated Paper Cone Woofer Inverted Neodymium Magnet Structure Power Handling250 Watts Frequency Response36Hz – 150Hz Baffle Dimensions (H x W)13-5/8" x 13-5/8"