Clear and resonant bass for your music
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.
Specs
Driver: 20 cm (8") cone
Dynamic Power: 100 W (5 ohms)
Output Power: 50 W (100 Hz, 5 ohms, 10% THD)
Frequency Response: 28-200 Hz
Advanced YST: Yes
Twisted Flare Port: Yes
Compatible with: PSR-A3000/S970/S770/S670
Dimensions (W x H x D): 291 x 292 x 341 mm; 11-1/2" x 11-1/2" x 13-3/8"
Weight: 8.5 kg; 18.7 lbs.