The Yamaha YST-SW 150 is a subwoofer with a 100-watt amplifier and a frequency response range of 25Hz-180Hz. It features Yamaha's Advanced YST II (Yamaha Active Servo Technology II) for enhanced bass response.

The Yamaha YST-SW 150 is a subwoofer with a 100-watt amplifier and a frequency response range of 25Hz-180Hz. It features Yamaha's Advanced YST II (Yamaha Active Servo Technology II) for enhanced bass response.