Designed and engineered at our world-famous Acoustic Engineering Center of Excellence in Northridge, California, the Stage 220P is 500W and is the most powerful subwoofer in the Stage Series and delivers the low frequency excitement that customers crave. This subwoofer features a high excursion 12-inch (300mm) 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.