As stated here https://darko.audio/2023/10/apple-airplay-isnt-always-lossless-sometimes-its-lossy/
AirPlay 2 downscales a lossless (ALAC) file to AAC 256 kbps. I can witness this on my WiiM app when streaming ALAC files from my Mac Mini.
If WiiM had an option to select AirPlay 1, the signal would pass through unaltered.
AirPlay 2 downscales a lossless (ALAC) file to AAC 256 kbps. I can witness this on my WiiM app when streaming ALAC files from my Mac Mini.
If WiiM had an option to select AirPlay 1, the signal would pass through unaltered.