[resent as I failed to send this to the list first]
Hi,
the receiver supports receiving AirPlay streams. Pulseaudio also supports playout over
AirPlay, so you could route every application that supports pulseaudio to the receiver.
I guess the most recent effort to support AirPlay in pulseaudio is
https://hfujita.github.io/pulseaudio-raop2/
Regards,
Tino