PSR Keyboard Subwoofer 8" 100W

The 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
Technical data:

Driver: 20 cm (8") cone
Dynamic output power: 100 W (5 ohms)
Output power: 50 W (100 Hz, 5 ohms, 10% THD)
Frequency response: 28-200 Hz
Advanced YST
Twisted Flare Port
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