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Discussion Starter #1
Hi. I have a 2009 Eos with the Dynaudio stereo system. Shortly after the warranty expired I seem to have lost all of the bass output from the stereo. I get only a very thin sounding treble output. If I am not mistaken the front bass speakers failed first and then the rear. I can't imagine that the speakers themselves are all blown so I am guessing that it is the amp under the front seat or possibly the head unit. I saw a previous thread about the amp having gotten wet, but that has not happened to ours.

I dread taking this in to VW to check because of the cost of just troubleshooting it, let alone fixing it.

Anybody have any knowledge or experience with fixing these stereos? I know the Dynaudio amp is expensive to replace, Is there any plug compatible replacement from other manufacturers?

Any advice would be appreciated.

Tom
 

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You said 'any' advice.

I'm not expert on this system, don't even have one as far as I know. These in-car systems can be quite complicated and you would probably need somebody with specialist knowledge at fault finding them.

If it is a VW oem system I suspect it will be included in their diagnostics. My basic cd player/radio is and I can play 'tunes' on the diagnostics computer going around testing every single speaker with test tones triggered from inside their system. It can also tell if a speaker is disconnected or burned open circuit. It told me that after the shop had trim out to do work, they left the wires off a rear tweeter! - It's that good. Garage mechanics are not electronics or audio specialists and I think this is why VW put in the diagnostics.

If yours is in the diagnostics system, that would be my first move - scan with diagnostics. Since the system you describe may be in 2 parts, I would try to source/beg/borrow each part to try and eliminate your faulty unit and get a clear scan with no faults.

If you can afford an EOS and shop service costs, you can afford to buy vagcom vcds diagnostics.

I would be surprised if all those speakers have burned out, unless you are one of these deaf car 'boomers' or have consistently run with maximum bass boost - that is what kills or burns out stock car speakers. My guess would be a problem in the amplifier power supply area
 

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Discussion Starter #3
thanks for your comments. If the dealer diagnostics are as good as you say, I will probably just take it in and have them check it. I don't really see myself buying the software and connector. It may be that there re some disconnected wires in mine as well as they did have both door panels off to do repairs before my warranty expired. They might have failed to reconnect he speakers.
 
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