this is designed to allow you to mount 4x6 inch speakers to the door panel of a car that has dash speakers. this design allows for speakers to be installed without cutting any big holes into your door panel so if you ever want to remove it you will only leave behind 4 tiny screw holes.
print this object with the oval facing up
to install this you must remuve the door panel of your car and screw through the back side of the door panel into the mount. please pre-drill holes for the screw/bolt sizes you will be using.