• A compact subwoofer designed for keyboard instruments
• Incorporates Yamaha’s advanced, high performance bass technologies; Twisted Flare Port and Advanced YST II
• 8" cone woofer, 100 W of Dynamic Power (5 ohms), and 28-200Hz Frequency Response
• A stylish addition to any room
• Compatible with Yamaha PSR Models: A3000/S970/S770/S670/EW410