==> Only $99.95 Best Buy Yamaha Advanced Active Servo Technology 5.1-Channel 6 PC Home Theater Speaker Set - 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.8" Multi-Range Powered Subwoofer.4 2-Way Acoustic Suspension Satellite Speakers.

Advanced Yamaha Active Servo Technology is a unique system in which the speaker and amplifier work together to cancel out impedance

Advanced YST helps to ensure the highest levels of sound pressure and overall performance.

8" Multi-Range Powered Subwoofer

2-Way Acoustic Suspension Center Speaker

4 2-Way Acoustic Suspension Satellite Speakers

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