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Discussion Starter · #1 ·
Im still trying to get to the bottom of how to tap the speaker leads to simply add my sub. If anyone knows where the factory amp/s are (if not powered by the head unit) that would be great - if I could find that and the harness I could easily figure out what to tap. I will have the premium audio package in the 2005 a4. Anyone at all have any ideas? I dont have the car yet - supposed to take delivery tomorrow....

Also - where are any of you mounting amps - any clever ideas for a simple OUTTA the way amp install? I could make it easy and to the back of the box - but then when I want to remove if I ever want the room I gotta disconnect the whole thing.

Thanks!
 

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if you have the premium package you'll have the bose premium sound system which has an amp and a small sub (both located in the trunk, in the right storage compartment. theres an amp which powers all the speakers+ the sub. you'll need to find a way to tap into the existing subwoofer lead before it gets to the amp and run your new amp/sub off that. you'll understand better when you get the car
 

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Discussion Starter · #3 ·
this makes sense, ill dig it out when i get that car later today. I would prefer to tap the rear leads, using a full range signal with L and R but if I have to ill jump the sub lead I guess. I just like to do the crossing over vs. letting the bose system do eq'ing.

thanks for the reply, ill keep you posted :)
 

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Discussion Starter · #4 ·
BTW - do I have to take off the right side panel to access the amp?

I see 2 speakers in the rear from what I can tell

1 mounted on the read deck-looks like a 6 1/2 but I didnt really look hard
1 6x9 mounted in the floor when I pull the spare tire cover off

hasnt anyone added a sub - does anyone know what wires are what? Ill have to burp speakers, but if anyone knew the rear 2 door leads that would be great...

thanks!
 

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Discussion Starter · #7 ·
just adding a sub, thats it - its a 2 year lease...im not going nuts or itll end up like all my other cars with monitors and such......I promised myself thats all id do :)
 

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Discussion Starter · #8 ·
I ran my power wire, that went well....but im trying to find the factory amp, I took off the pass rear site panel, I didnt see any sorta amp or what resembled an amp. there was nothing but this silver unit, but it didnt have any wires at all - are they hidden or was this not the amp.....im 99999% sure it wasnt.....cause ive done alot of stereos and seen alot of factory amps.
 

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Run your 12v source from the battery then and take a low pass filter and run it off your back speakers. Then run a wire from the 12v on the amp for the sub and run it to the remoter with a swich in between. The switch will control the power on the amp. Do a few amp adjustments and u should be good to go.
 
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