b w isw 6In Wall Subwoofer for Custom Install Systems Deep bass and controlled dynamics, completely invisible The B&W ISW 6 is a passive in wall subwoofer designed to deliver powerful, controlled low frequencies in high end home theater and multi room installations. Designed for in wall installation, it delivers powerful sound while maintaining a clean, minimalist aesthetic. Thanks to its dual long throw woofer configuration, the ISW 6 provides a larger