I generally leave the plastic protection strips on things until I have them working.
To the point that I’ve found them on monitors I’ve been using for years (on the bezels, not the screen), and a clock radio or tw.
Anyway, I’d been annoyed by the low volume of the chime.
I even tuned it all the way up, and it was still not quite enough to to be herd through the house.
And then I noticed it still had plastic.
4 (of 8) was too loud, and we had to knock it down to 3 . , ,
I was surprised at how much it blocked.