The Yamaha YST-SW 315 is a powered subwoofer that features a 10-inch cone speaker and a built-in amplifier. It utilizes Yamaha's advanced YST (Yamaha Active Servo Technology) for enhanced sound reproduction and low-frequency performance. The subwoofer is designed to complement home theater systems and can handle various frequency ranges effectively, providing deep bass response. It typically includes adjustable volume and crossover frequency controls to allow for customizable integration with other audio components.
