Itunes is a better music library manager.
You can use Windows audio session output instead of direct sound (on Windows) to enhance the sound quality to Bit Perfect and play HD Files up to 24/192 .
I don't know if Airplay is re sampling music to 48Khz
You can use Windows audio session output instead of direct sound (on Windows) to enhance the sound quality to Bit Perfect and play HD Files up to 24/192 .
I don't know if Airplay is re sampling music to 48Khz