I have noticed the Beolab 50s sounds rather flat when playing streamed sources even with Deezer (both iDevice and app within TV) where the sound is better when streaming directly from Apple TV music app. The 50s are connected to Avant NG. I have played the same song using the same source through the Beolab 50: and Beolab 5s - have to say the 5s sounded better.
is this a setting problem that can be fixed?