Powerful and reliable, the Yamaha YST-SW216 is a 100-watt 10-inch subwoofer that delivers rich and powerful base effect. This Yamaha subwoofer employs Yamaha Active Servo Technology II (YST II) that optimizes the overall system performance and delivers a balanced effect throughout the audio area. The front-firing design of this Yamaha subwoofer reduces base distortion, letting you enjoy sounds with complete base effect. The Yamaha YST-SW216 has a long-stroke cone driver that is magnetically shielded to avoid noise interference so that you can place this woofer near any electronic appliance without any hindrance. The high-density MDF cabinet of this 10-inch subwoofer increases rigidity and reduces vibration and resonance.