I'd think the high humidity during showering would be the main problem.
There are specialized speakers marketed for outdoors use-- probably with
diaphragms and components that won't be harmed by those kind of conditions.
You may give up a little fidelity-- but then again, they'll still sound much
better than you singing in she shower.
I doubt 3 feet away will do damage. As long as you have a fan on, and
you are not using your bathroom as a sauna, it should be fine.
Then again if you have your fan on , you probably have to raise the
volume of your speaker, so try to get a quiet fan.
The speakers in cars are subject to high moisture especialy the ones
in your doors. But few speakers made have paper cones or components
that cant handle high moisture or humidity. A good car speaker might
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