YAMAHA SUBWOOFER SYSTEM – Model YST-FSW100 – HARDLY USED - BOXED -

The Yamaha YST-FSW100 features Advanced Yamaha Active Servo Technology (Advanced YST) is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion. Advanced YST helps to ensure the highest levels of sound pressure and overall performance. • Advanced YSTII and FD-Bass • 16cm cone driver • 130W dynamic power • 30-200 Hz frequency response • Half Pipe Port • 400 x 375 x 157mm (W x H x D) • 8.1kg weight At Aug 2012, selling on Amazon for 99.90