I have AirPod pro, my right AirPod isn’t as loud as the left one

See the 'If there's low volume in one AirPod' section in;

If your left or right AirPod isn't working - Apple Support

Pinkpiano22 Said:

"I have AirPod pro, my right AirPod isn’t as loud as the left one: Airpod"

-------

Verify the Balance:

Windows:

1. Go to: In Windows, go to Control Panel
2. Type: the word balance in the top-right search bar
3. Proceed from there as necessary

Mac:

1. Go to: Settings
2. Tap: General
3. Tap: Accessibility
4. Scroll Down: to Hearing
5. Adjust: the audio volume balance