Indeed, this is the board I would go for with an RPi when not using Roon.
I'm using Amarra Luxe with IRC and Airplay thru Airport Express and having my sound customized in my room.
Waiting to get Airplay2 support for my Golds.
I´m using DSpeaker Room Mode Dual Core 2.0
all my audio video devices connected via hdmi to my Samsung Box Connect
outputed dgitally a via optical link to the DSpeaker then outputed to the
Devialet Dialog