Ear wax is the most typical situation influencing the loudness of your system. If your ear canal produces abnormal oil, the wax can get stuck inside the earmuffs. When not working with your headset muffs, place the packets inside the ear pads. Do that routinely to remove the poor smells. https://www.linkedin.com/posts/anhometech_anhome-airpod-cleaner-kit-cleaning-tool-3-activity-7180579811667374080-EjnJ?utm_source=share&utm_medium=member_desktop