Speaker placement?

I built some small light weight wooden boxes and mounted the boxes on the vent air doors (I never use the vents anyway). I tucked the boxes way up high so you're not kicking them all the time. I bought some 50 watt 4 inch speakers and mounted them in the boxes. Nobody even knows they are there until I "crank it up"!!! I didn't want to mount them in the kick panels because Me and the passenger would always be kicking them and I didn't want cut up my door panels either.

Treblig