I have read that all Sonos speakers will connect to wifi for them to work. I setup two Sonos Ones as surround for my Beam and they have been working flawlessly.
Today, I was watching a movie from a file saved in a USB connected to the TV. I was getting 5.1 sound and surround was working great. And then my partner unplugged our router accidentally, however the surround continued working. We left the router unplugged so there was no wifi at all - but the surround was working flawlessly.
So does this mean that the Surround Ones are directly connecting to the Beam? And not the wifi?
My beam is connected to the TV via Arc. And is NOT in boost mode (no ethernet connected).