“I have a polk 10” subwoofer it seems to work fine but does not all of a sudden on this receiver does not work any suggestions maybe a button”

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• I also tried to hook up a 10 inch sub woofer (Sony) and could not get it to operate. I spent over 2 hours with Sony's tech support and finally got the sub to work, but lost all control of bass and treble so I returned it to BB. I posted a review of this receiver on 4-6-18 that is more detailed.

  Answered by Donna 7 years ago

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• My Polk subwoofer works great with the Sony 755 receiver.

  Answered by Herf 8 years ago

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