Yamaha YST-SW215PN 8" Powered Subwoofer (Piano Black)
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<b>[Product Information]</b><br>
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<li>8-inch subwoofer</li>
<li>250-Watt integrated PWM amplifier</li>
<li>Advanced Yamaha Active Servo Technology for deep, powerful bass</li>
<li>Yamaha QD-Bass technology reduces environmental distortion</li>
<li>Continuously variable high-cut filter</li>
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