Plex balenasound

Hi

First thx for balena sound , the easiest way to set up a multiroom project !
I have a synology nas and I used dsaudio to cas my music to the raspberry pi.
I want to try plex and so I installed the server on my nas and I installed the app on my android but I can t find how to cast to the rapserry.
Can you help me?

Thx a lot

Connect to the bt of balenaSound with your android device and all of the sound will come out of balenaSound.