If you're in the Apple ecosystem already, Shairport can provide multiroom audio if you don't already have an Airplay setup: https://github.com/mikebrady/shairpo

If you're in the Apple ecosystem already, Shairport can provide multiroom audio if you don't already have an Airplay setup: https://github.com/mikebrady/shairport-sync https://github.com/mikebrady/shairport-sync