Not sure how much the process has changed with the newer moddles but the site below demonstrates how
to change the front speakers on a early series A3.

http://www.mikecaddy.co.uk/audi/


PeterD wrote:
> On Fri, 09 Feb 2007 19:47:49 -0800, Kevin McMurtrie
> > wrote:
>
>
>>In article >,
>>PeterD > wrote:
>>
>>
>>>On Thu, 08 Feb 2007 20:48:09 -0800, Kevin McMurtrie
> wrote:
>>>
>>>
>>>>I just got a new 2007 Audi A3 3.2. It's a sweet car!
>>>>
>>>>There's no option to get this car without the Bose sound system. It's a
>>>>real shame to hear such cheap speakers in such a nice car. Are there
>>>>any instructions online for replacing them or should I buy the repair
>>>>manual?
>>>
>>>Buying a repair manual (a GOOD one, like the Bently) is always a good
>>>investment! That's what I would do.
>>>
>>>Why don't you like the Bose speakers? (Just wondering, I've no opinion
>>>on them...)
>>
>>The Bose system speakers are a pair of single element drivers made of
>>paper and fabric. One's a tweeter and the other is a midrange driver.
>>They're the same thing you'd find as factory equipment in any economy
>>car. They don't sound terrible but there's an obvious lack of frequency
>>response and power; an AM radio sound quality.
>>
>>I popped off a midrange grille and found that the speaker wasn't
>>directly under the opening. Replacement will involve opening the door
>>for sure. It might even require replacing the amps and building new
>>speaker mounts, but that's all fun for me. I just need to know the
>>secrets to safely disassemble the car - what panels cover screws, where
>>to pry open clips, where to reach in to disconnect wires, etc.
>>
>>When I think about the stereo and the options for an oil change, the
>>manual sounds like the way to go.
>
>
> I've found the best reference to be the Bentley manuals in that
> respect... Either that or a six-pack of beer and a growing friendship
> with a good dealer mechanic who's been to class for this type of work,
> or a body ship that works on these cars (again, the six-pack can help
> greatly!) A third choice is a non-chain audio store (DON'T try the
> chains like Circuit City, their techs are not qualified at anything!)
>