A muffled or bassy sound can be a sign of debris blocking the microphone's ports. ... The B3 Lavalier and B6 Lavalier are often placed under clothing, which can result in a muffled, bassy sound.

How do you fix a muffled mic?

Try a different microphone (borrow one if you can) and try different cables, speakers. If that doesn't work try going in a different room or changing the placement of the microphone. Finally, if none of that works it is time to buy yourself a new microphone.

Why is my headset mic so muffled?

A headset mic that is distorted, muffled, buzzing or has static might be caused by dirt or debris in audio ports and on the audio jack, improperly attached mic and audio jack, hub connections, software issues, or faulty audio drivers.