Use a high quality sound deadening damping material and place it inside the outer sheet metal layer of each door or quarter panel.
Sound deadening door panels for more midbass.
Preparing the tools and materials.
Applying sound deadening and closing up the holes in the door frame helps to isolate the front of the speaker from the back of the speaker.
The first thing you ll need to do before collecting your tools is actually inspecting the car doors if you can t dig up your car manual at least look up how other people pulled the doors apart on the same or similar models that will be a pretty important step throughout this whole process since i can t go into detail on every individual car make.
More buying choices.
The door is covered in deadener to be as completly enclosed as possible but its a big door.
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What about those plastic cups made to cover the back of the speaker like a tiny enclosure.
These panels offer a step up from gluing a sheet of plywood to your door but they re not generally as expensive as high end solutions like fiberglass soundproofing blankets.
If adding many soundproofing elements to your door seems like too much work try adding an acoustic door panel.
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Let s see why spending more on the install will make the cheaper speakers sound better than the more expensive speakers.
Dynamat 10435 12 x 36 x 0 067 thick self adhesive sound deadener with xtreme door kit.
Deaden the outer sheet metal of the doors.
Usually it is easier to cut the mat into strips so that it can be easily slipped through the stamped holes on the inner sheet metal.