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Can I add a Polk outdoor Sub to current outdoor speakers that are connected to a Sonos Connect Amp. ?
The Connect:Amp has an RCA subwoofer output for a third party powered sub. As long as the Polk is self-powered, it will be fine with the Connect:Amp.
It is not a powered sub. It is 8-ohm impedance. I have one hooked up to a connect amp and it definitely richens the sound in my yard. - Kris 🙂