I just reasonly got a second Play:1 and was excited to try them in stereo. However I noticed that they occasionaly fall very slightly out of sync, like lower than 1 ms latency between the pair, but I could very clearly hear the phantom center switching between left and right. Sometimes when the latency is high enough there is no phantom center anymore, making the music sound weird. Is there a way to fix this? I’ve tried resetting the pair, or ungroupping multiple times, but it seems that every time I group them the slave channel is always very slightly (~0.2 ms?) faster than the master, it switches between the two between songs though.
Answered
SONOS Play:1 stereo plays out of sync
Best answer by Mr. T
You have already tried the standard troubleshooting steps.
Your best course of action is submitting a diagnostic when you next hear the issue, then contact Sonos Support to discuss.
They can review the diagnostic to see if the stereo pair is showing any sync errors.
A bit confusing, maybe just the wrong words?
Are you using the controller to bond the two into a stereo pair in a single Room?
Grouping is a different thing, linking two mono speakers in different Rooms to play together.
Slave channel, master channel, what is that?
This is what a stereo pair and grouping should look like, on Android.
A bit confusing, maybe just the wrong words?
Are you using the controller to bond the two into a stereo pair in a single Room?
Grouping is a different thing, linking two mono speakers in different Rooms to play together.
Slave channel, master channel, what is that?
This is what a stereo pair and grouping should look like, on Android.
Oh I meant using stereo pair, not grouping. Master channel is the speaker that plays the sound when the app asks you to confirm the channel that the sound is playing from (L/R). Slave channel is the other speaker that is connected to this speaker as the second channel. In my experience, the master channel (the speaker that you ckick into before clicking “stereo pair”) always plays a tiny bit slower than the slave, no matter which speaker i choose to be the master, its the one thats playing slower. (lets say the left speaker as the master, the stereo imaging always leans slightly towards the right. If I use the right speaker as the master, the stereo imaging leans towards the left.)
It is not a problem when I’m just waling around the room, but when I’m sitting right in the prefered listening spot (30 degree to the left and the right speaker), It always mess up the stereo imaging. Is there any way to solve this? Thanks.
I don’t believe on speaker is set as “master” when you confirm which is left and right speaker. It’s to be sure the audio stream for the left channel plays to the left speaker, and vice versa.
I am very impressed that you can hear a 1msec delay, as you say in your first post. That must be a really infuriating situation if you’re watching tv and the sound is out of sync with the video.
You have already tried the standard troubleshooting steps.
Your best course of action is submitting a diagnostic when you next hear the issue, then contact Sonos Support to discuss.
They can review the diagnostic to see if the stereo pair is showing any sync errors.
I'm really weak on this, but I think the Left channel in a Stereo Pair is the Coordinator for the pair, accepting the outside audio stream and passing the Right channel on.
Way beyond my skill level but at least I understand the problem now. Thanks.
Also agree, get it to act up, submit a diagnostic and CALL Sonos support to have the internal data we users can't see looked into.
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