Devialet Phantom Classic Bluetooth issue

[devinoob]

I solved the issue regarding the connection of my laptop to Spark. My firewall was blocking the app, it works now. 
How does this UPnP work?

Good to know it is working.

My setup with UPnP here
https://devialetchat.com/Thread-Found-Go...7#pid91187

Thank you for your help.