Just can't get Spotify Connect to 'see' my Ultra (Pro+ is OK)

[Burnside]

It's already in the same house, connected to the same network (edit: specifically the same MAC AP). Now you want me to connect it to the same amp--like it's going to make a difference.

No, I was wanting you to connect it to the same network segment that has the Pro Plus on it as the indications are that it might be a router problem passing mDNS/discovery packets between segments.

Hope you have better luck with Qobuz