Designed and engineered in JBLs world-famous Acoustic Engineering Center of Excellence in Northridge, California, Stage 200P is a 300W powered subwoofer perfectly matched with the entire Stage series. 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. A full complement of controls provides for easy system integration.