16in MacBook pro on loud speaker issue

[vebruce123]

the left loud speaker sounds more loudly than the right one ,not very obviously,but i can tell the difference, is there anybody here with the same issue?
it's the software issue or just software,or is there any method to test this issue

 

[Sanpete]

You could measure the sound level for each speaker with one of these apps:

The best smartphone decibel meter apps to measure noise levels

Our top picks for decibel and sound meter smartphone apps for measuring noise levels.

www.healthyhearing.com

I'm sure there are YouTue videos for sound tests you could measure from.