Ah, you're in luck. Shairport-Sync [0] should be exactly what you're looking for. Anyone know an alternative that works with (non-rooted) Android devices? [0]

Ah, you're in luck. Shairport-Sync [0] should be exactly what you're looking for. Anyone know an alternative that works with (non-rooted) Android devices? [0] https://github.com/mikebrady/shairport-sync https://github.com/mikebrady/shairport-sync