The Play-Fi system assigns the first PW you select as the “Primary Zone” for the music stream. It controls the stream and syncs the audio between the other zones. If the Primary unit is turned off it disables the stream and all connected Secondary units will turn off. If you are using multiple zones the Primary should be the zone located closest to your router.
Modified on: Wed, 17 Oct, 2018 at 4:33 PM
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