Like new. Original owner. Only used @ home in audio system, was NOT used for producing or with keyboards. Never set Gain above 4/10. "This compact subwoofer for keyboard instruments incorporates a number of advanced, high-performance bass technologies exclusive to Yamaha, including a Twisted Flare Port and Advanced YST II (Yamaha Active Servo Technology II).
This results in sensationally clear bass response, and adds so much to your musical experience whether you're performing or listening.
-New Twisted Flare Port contributes to clear and tight bass
-Advanced YST II (Yamaha Active Servo Technology II)
-20 cm (8”) cone woofer
Stylish addition to any room"
