“Want to Polk psw 108 as a 2nd sub to a older 7.1 system with a Denon avr s760h? The other sub is older psw 10.”

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• Just make sure they are phased together. Meaning if one speaker is going "out" the other must go "out", otherwise they cancel each other out. The switch on the back makes it easy-peasy. Don't need test equipment; just listen and reverse it. If it's wrong, the bass will be weak.

  Answered by JoeG 2 years ago

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• Hi Sonny128, Powered sub-woofers with a single LFE RCA input are generally universal. This means both your PSW10 and your PSW108 can connect to your AVR-S760H's sub-woofer outputs and be functional.

  Answered by Polk Audio 3 years ago

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