Hi @Claude_Jonniaux — Apologies for the trouble here!
So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.
Does this behavior occur for playback to all endpoints? If you play to the internal speakers of one of your remotes does the same thing occur?
Does this occur with all content or just specific types (TIDAL vs local, certain file types, etc.)?