If you are facing issues with apple’s airpods like audio is not clear or one airpod is louder than the other then, you can follow the given below steps:
1. Clear out all the earwax
2. Tally your audio balance in the connected device
3. Reboot your device
4. Reset airpods settings
5. Contact apple support for repair
Read more: https://getassist.net/why-is-one-airpod-louder-than-other/