outdoor - all-weather housing for electronic device (speakers)

this part has been designed to reuse some old speakers as outdoor speakers.
the cutouts in the backplate are intended to insert a seal if there is a gap between the plate and the wall.
and the lower cutouts are meant as "cable-channel"

you can also lower the floor-plate in different steps but be aware the the other holes can let water into the housing and it is no longer water-resistant.

tested it during summer 30°C and even bad weather conditions.
the support-part in the inside has bee