After some digging, I found that the Beam’s Audio In: under About My System was blank. The Beam is wired, Sub is wireless. I also have 2 One SLs that are working fine. The Beam plays just fine, but the sub doesn’t. I ran a diag as well, here it is.
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I currently have a mixture of ax and ac access points, so I’m toying with power levels to get everything evened out. I’ve tweaked power settings since taking that diag, so wifi noise may be present in the diag, but the sub is connected to wifi with an excellent signal.
Thanks