loud

Hello, just wondering about this because it is pretty strange. I bought an Air 2 while my friend bought an Air 2S. We flew both drones the same way & path but not at the same time. His Air 2S seems at least 3 times louder than my Air 2. Is that normal? We could clearly hear the Air 2S from 100...

Hey guys, today my father crashed my drone... No major damage, but I think that maybe one of the ultra sonic sensors is broken because I can only hear one of them. When I put a finger on the working one, I cant hear the clicking sound anymore, but when I put a finger on the broken one, I can...