Yamaha KSSW100 Subwoofer Speaker for PSR Keyboards

Yamaha KSSW100 Subwoofer Speaker for PSR Keyboards

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Stock Expected: Predicted Avilability: December

This compact subwoofer incorporates a number of Yamaha’s advanced, high performance bass technologies, including Twisted Flare Port and Advanced YST II (Yamaha Active Servo Technology II).

This results in sensational bass response that adds significantly to the enjoyment of music performance.


- New Twisted Flare Port contributes to clear and tight bass
- Advanced YST II (Yamaha Active Servo Technology II)
- 20 cm (8 inch) cone woofer
- Stylish addition to any room
- Enrich bass to your keyboard's speaker

The KS-SW100 is compatible with Yamaha keyboards in the PSR Series.

New Twisted Flare Port Produces Clear and Tight Bass
The all-new Twisted Flare Port takes advantage of extensive subwoofer development experience. The flared, gently twisting shape diffuses the vortex of air generated around the edge of the port, creating a smooth flow of air. This reduces extraneous noise not present in the original input signal and provides clear, accurate low frequency reproduction. From special effect sounds in movies to the atmosphere of a live venue, you hear bass that is clear, tight and realistic.

Advanced YST II for Awesome Deep Bass
Developed by Yamaha, the Advanced YST II (Yamaha Active Servo Technology II) combines negative-impedance and constant-current principles to drive the speaker cone with even tighter control than the previous version. Using Advanced Negative Impedance Converter (ANIC) circuits, this system dynamically optimizes effective speaker impedance to maintain excellent linearity. This means more stable and accurate low range response, not to mention higher sound quality.

Stylish Addition to Any Room
The gently rounded form with a slanted front surface presents a stylishly elegant appearance. Designed to be unobtrusive, It’s sure to look beautiful in a living room or home theatre room. Offered in black, walnut and white, so you can choose the model that best matches your other speakers.


- Driver: 20 cm (8 inch) 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.
- 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.


2 Year Yamaha Warranty (No Registration Required)