New twisted flare port contributes to clear and tight bassAdvanced YST II (Yamaha Active Servo Technology II)10 cone wooferStylish addition to any roomThis compact subwoofer incorporates a number of Yamaha’s advanced, high-performance bass technologies, such as Twisted Flare Port, Advanced YST II (Yamaha Active Servo Technology II) with discrete amp circuitry and a high-quality 10











