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View Full Version : Installing a subwoofer



los lobo
09-09-2008, 07:46 PM
HI Guys,
Has anyone attempted to install a subwoofer in a 2003 A4. I just got the car and I love it. I replaced the stereo with an Alpine CD/Ipod control unit, it was easy, now I want to upgrade the sub.

delwyn
22-09-2008, 09:57 PM
Hi there I have changed a few if you have already changed the head unit to the alpine there you will not have any problems the only problems i know of is if you have the bose system because it is pre amped but other then that it is fine