New Touareg - Sound System Upgrade - Club Touareg Forums
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post #1 of 3 Old 03-19-2018 Thread Starter
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Touareg: 2016 V6 TDI
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New Touareg - Sound System Upgrade

Hi All

My first post on this forum. I very much appreciate the opportunity to share knowledge and experiences in this way.
I have recently taken delivery of a new Touareg V6 TDI that I intend using both as a tow vehicle for our caravan as well as a just a nice town car. Very pleased with it so far.
I am yet to arrange the tow-bar installation and the other electrical work needed to feed through to the van. I'm not intending to do any of this myself. The integrated nature of the various electrical systems in modern cars and my own very limited competence in this area make that a very easy decision in my case.
Separately, I am arranging for a car audio specialist to upgrade the sound system in the car. Personally,I think it's the one thing that's below
the spec of the rest of the car, well below in my view.
I'm OK with the sat/nav and the RNS 850 interface. I also want to minimise the risk of unintended consequences in playing with factory installed systems. Therefore I'm not intending to replace the head unit.
The plan is to piggy-back of the existing amp a more powerful amp, basically treating the existing amp as a pre-amp, and upgrade the speakers. I'm also intending to add a small sub-woofer, basically a large bass speaker, definitely not a boom box.
I am also thinking that the spare tyre cavity would be my preferred location for the new amp as it would provide easy access in the future, should that prove necessary.
I understand that the factory amp is behind the RHS rear cargo area panel, near the tail lights. Hopefully no need to go behind the dash?
If any of you have done anything similar I would appreciate any tips you might have or risks to manage so that I can let the respective installers know rather than have them (and me) discover the hard way. Any risk to the CAN/Bus in taking this approach?; greater power demands from the new amp?
Any comments would be appreciated...............

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post #2 of 3 Old 03-20-2018
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any amp with half decent power would need at least an 8 gauge power cable, and same size earth with a short run to the body. not too difficult as the battery is under one of the front seats. i believe the factory amp gets signal through an optical cable, so not sure how you would tell the new amp what to do. i think there is a thread here somewhere, or maybe on the DIYMA website that has details of someone just replacing the factory amp with a good aftermarket one, using a factory harness ordered through VAG to make connection easy.

im in the process of doing the same, but bought a vehicle with the rcd550 to make installing an aftermarket system easy. the rcd550 is an all in one unit, so as soon as you remove it everything is gone- source, amp etc.

the part of the rns850 that you see in the dash is just a small part of the system- pretty much just the display panel with buttons. there are various other modules around the car that interact with it.

i dont envy the job ahead of you...
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post #3 of 3 Old 03-20-2018
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There is a VCDS mod that will open up the stock audio - bass and treble improved out of sight - too much bass in fact - I have the bass turned way down now. Before you invest in amp and sub do the VCDS mod and have a listen - you may not need the audio upgrade. The stock system is basically ( and it appears deliberately) castrated - and probably deliberately to force upsell to Dyn Audio.

Read here:

If you have concerns about speaker overload, the wiring from the amp in the driver side rear quarter panel has one circuit to each set of speakers i.e. the tweeter high in the door shares the same circuit as the 6 inch mid in the lower door - four circuits total. Dynaudio provides separate circuits to each speaker and a centre mid in the console in the top centre of the dash - 9 circuits in all. So unless you have factory dynaudio, then a major rewire will be required to drive the speakers all independently.

Next, that space saver spare is useless to you if you a re towing. You cannot legally use it. You will need to consider a full size spare. If you have 20 inch rims and that scares you price wise maybe get a 17inch or 18inch rim and tyre, sure there is a size mismatch and you are restricted to 80kph but at least it is a legal spare (and you are restricted to the same speed with the space saver in any case). But there is a forum member selling 20inch rims in Aus I believe.

Previous: MY13 V6 TDI 4Motion,
BMW X3 3.0d, Subaru outback and the odd Alpha.
Now looking at options.
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