If your rooms are ethernet wired, I just found these USB extenders[0] that I was hoping could eliminate audio latency with bluetooth. I don't know if sync would

If your rooms are ethernet wired, I just found these USB extenders[0] that I was hoping could eliminate audio latency with bluetooth. I don't know if sync would still be a problem though. [0] https://www.gefen.com/product/usb-2-0-extender/ https://www.gefen.com/product/usb-2-0-extender/