Is there any danger in leaving a class D amp on unattended for ten days?

I agree that the fire risk is real enough to be concerned, and so is the damage to the environment. I have invested enough in energy saving and solar panels not to blow that with wasting energy on audio gear, even if it is relatively efficient Class D stuff as in your case.
I don’t believe my electronics sound better if I leave them on. That would be bad design.

+1 erik_squires

If I'm gome for a day or more I unplug everything from the power sourse (the wall outlet).

Thanks.

Off they’ll go!

Class D amps should idle at a lower level, so that should be OK.
Being worried about fire is a real issue and i applaud people for being careful. I designed a bunch of stuff for various companies, two my own, in the 80s and 90s and the careless stuff i saw in the field scared me.

That said, since i still design and therefore experiment, i leave stuff on while I'm away all the time.  I don't leave amps on flammable carpets, i leave them some kind of fire retardant stand. It can even be wood - you wont have an inferno - just maybe a spark or 40.

Disconnect the speakers. No need for them to sacrifice their lives to a turn-on-off transient, or lightning, or .....

They should be fused such that most bad conditions just blow the fuse.  I personally under-fuse everything; i want the $1 fuse to protect the $3k amp, not the other way around.

use common sense.

G