My family room system setup has one Arc , two surround One SL all connected and working fine. I bought two Sub Minis yesterday.
I was able to add and pair Mini 1 with the existing system.
Added Mini 2 also BUT unable to assign to existing system .
I get error message saying “ A compatible Sonos Speaker is required to add Sub Mini and make sure speaker is powered on and connected to wifi “.
But Arc speaker is already working fine with Sub Mini 1.
Why same Arc is not compatible with Sub Mini 2 ?
Thanks for your guidances.