Sonos Beam 2 Centre Channel over Airplay

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I have recently purchased a Sonos Beam 2 to use wirelessly from my projector, the projector is connected to an Apple TV - strangely, when I stream a Dolby 5.1 test stream via airplay from the Apple TV direct to the Sonos Beam 2 I can clearly hear that the Centre Channel is working when the Centre Channel speaker test is delivered.

How can this the case? I thought Airplay to the Sonos Beam 2 only supports Stereo - yet I can clearly hear that the centre speaker is activated in the Soundbar during the Centre Channel test?

Is this emulated somehow? I really don’t understand yet I am pleasantly surprised.

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Corry PAnswer

Sonos Staff

Hi @supernova

Thanks for your post!

The Beam (Gen 2)’s central-most driver is a tweeter, and the only tweeter the Beam (Gen 2) has - it always fires for any channel, unless what is playing is particularly low in frequency.

Sonos devices do not receive more than stereo audio via AirPlay.

I hope this helps.

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein

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106rallye

I enjoyed your experiment. But couldn’t all this have been prevented by buying a projector equipped with HDMI-ARC?

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Schlumpf

Virtuoso

I enjoyed your experiment. But couldn’t all this have been prevented by buying a projector equipped with HDMI-ARC?

From time to time there are projector users asking for help regarding multi channel audio, because they try to avoid long cable connections.
But imho that is like taking a shower without getting wet. 😉

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Ralf

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