a blown speaker is a pretty distinctive noise (to me at least). I think you'd be able to tell.
If she did it, and she doesn't know what she's doing, she could have used wrong sized hardware, or not properly secured them down (bolt, lock washer)

i didnt install them myself haha.

wait..? wat?

This post was edited by AnBerliN on Jul 26 2011 09:45am

what?

take the door off and look at them yet?

Blown
or
Loose
or
Trim ring on speaker came unglued (common)