Small update:

1/ This happens on high-quality sound. Like 128 AAC stream

2/ This happens from iTunes ran on MacBookPro with 10.11.2

3/ Device is hiding from wifi and appearing again in 3-5 seconds but iTunes is lost it and connection is lost too.

Any update on your side?

Any comments? Will it work as expected or not?

Is this device compatible wirh Airplay? Any suggestions?