JBL - Stage 200P 10-Inch Powered Subwoofer - EspressoDesigned and engineered at our world famous Acoustic Engineering Center of Excellence in Northridge, California, the Stage 200P is a 300W powered subwoofer perfectly matched with the entire Stage series and deliver the low frequency excitement that customers crave. This subwoofer features a front firing high excursion 10 inch (250mm) Polycellulose low frequency woofer with dual rear firing tuned ports that provides deep, powerful, signature JBL bass.