Quote:
Originally Posted by Dave S.
I had the same crappy dash speaker only set up in my 2003 Boxster. I added and Alpine head unit along with an amp in the floor of the frunk along with some component speakers in the doors and upgraded alpine speakers in the dash. I didn't add any speaker boxes in the doors, just surface mounted the woofers to the interior panel, and added dynamat to the inside of the doors and the interior panel near the speakers.
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Did you add a wood board between the interior panel and the door panel? If you did, how deep was it? I screwed my 6.5inch Focals and the whole door vibrates even at low volumes. Did you added only the dynamat? Do you have any vibrations on the door?
(Sorry for the thread hijack)