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Sony pslx310bt connected to two sets of era 100 speakers - speakers not in sync

  • December 24, 2025
  • 1 reply
  • 3 views

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We have a (Sony pslx310bt) connected to 4 Sonos Era 100 speakers. When we first got this set up, the blue tooth function did not work on the sony and the speakers had to have a hard line in connection to work. They worked great…. Until the the update allowing the blue tooth function to work (supposedly). Now every time a record starts playing, one pair of era 100s starts playing the song about ten seconds ahead of the other pair. I have to go into the app and mess with settings to get it working properly. Sometimes this lasts one song, sometimes the whole record. It's enough to drive one crazy. 

 

When I use the sonos system with bluetooth connected to my phone, it starts playing with only one pair of the speakers and I have to go in to select the other set every time. For as much as this stuff costs I don't feel like it should be so so complicated to use. 

 

What gives? 

1 reply

Airgetlam
  • December 24, 2025

Hard to tell, but I have to wonder if your issue is with Bluetooth, and not Sonos. 

Are these four Era 100s on your WiFi? Is the Bluetooth connection (lossy) to a single Era 100 (or a pair), which is grouped with the other two Era 100s, or are you attempting to use the bandwidth of the Bluetooth to connect to all four speakers? What is your experience when you go back to the line in (non-lossy) connection you used previously? Have you called Sonos Support to discuss it?

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.