This is to a teaching of keeping your microphone mix under 0 DB in most cases the sound on a microphone can always be turned up NOT DOWN.

The position of the microphone to close muffled the sound you should never what is called Eat the mic that’s when the microphone is way to close to your mouth

1st to make your voice louder do people can hear you you’ll need a microphone

Now your mic is on Sound check Reminder never eat the mic on your sound check on your PA for the best sound possible

The best mix to start with is always a (FLAT MIX ) what is a flat mix ? It’s a mix at 0 on all three high mid and low nob on most mixing boards and online mixes