Switching audio devices should be easier.

Even though the earphones are "connected," you cannot hear the voice in an online class. Music plays, but the person you are ...

This seems like a really obvious thing I am somehow missing... but how do you set a default audio device for output? I have like a million, because I have 3 monitors that all support audio passthrough ...

Sure, if you start watching content on your Samsung TV straight out of the box, no further adjustments made, you'll get perfectly satisfactory picture and audio. But if you like to optimize every nook ...