There is only a quiet hissing-sound from back speakers when the source is stereo, works fine when source is 5.1.
Every other reputable surround system will provide some sounds to the back speakers (same stereo as front) when this happens, but Sonos will not (unless playing music).
Is there a way to fix this in settings? Kinda sucks not to have any sound in back channels when only providing stereo, a copy of front stereo with a volume setting would do a lot.
Best answer by Chris
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