Almost a Hamlet question. Surely you also know the situation: the sound of z TCVR- and it's like tin and doesn't fit in your ears.... Of course, there is a solution - an external speaker or headphones. But what is better?
An external speaker is advantageous in that it does not burden the operator as much as headphones. However, it does not provide insulation from the external acoustic environment.
However, headphones can significantly suppress the disturbing influence of the environment. Whether you use open or closed ("excavator" type) or perhaps "plump", they have one disadvantage - they press on the ears and can even cause pressure sores when using the completely inappropriate type...
Therefore, our next survey is also focused on this problem. Let's be surprised how it looks between the operators...