Powerful Subwoofer with Advanced Technology for Top-Class Sound Quality. Ideal Match for 225 Series Speakers. QD-Bass (Quatre Dispersion Bass) Technology Advanced YST II (Yamaha Active Servo Technology II) PWM Digital Drive High Efficiency Amplifier Linear Port for Minimizing Extraneous Noise 150 W Dynamic Power BASS (Bass Action Selector System) 20cm (8”) Multi-Range Driver with Magnetic Shielding 28–200Hz Low Frequency Reproduction Auto Standby with Sensitivity Selector (HIGH, LOW and OFF) Low (0.5W) Standby Power ConsumptionSee all Yamaha Hifi and Home Cinema Products
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