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  1. liam1711spear

    liam1711spear New Member

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    Hi,

    I’ve got a 2012 A3 which I have removed the Audi concert radio and fitted a CTKAU10 stereo harness/fitting kit to connect to my new Kenwood DMX7017DABS radio, all steering wheels controls work perfect, front speakers working, but I have no sound coming out of the rear speakers, and on the radio I can’t access the rear zone to adjust, so it’s like there’s no power going to the rears, any one got any help on how to get these working? Would be massively appreciated! Pics included

    Thanks in advance

    [​IMG]
    [​IMG]


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  2. jamiewatkins2004

    jamiewatkins2004 Active Member

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    Are the rear speakers powered by a separate amp in the back ? On the A4 b7 it is. If yours is powered from the rear amp you’ll have to run cables for the rear speaker from your stereo.


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  3. liam1711spear

    liam1711spear New Member

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    No I don’t think they are, I have a sub in the boot built in but when I had the car interior apart I never found an amp just the sub in side wall of the boot


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  4. jamiewatkins2004

    jamiewatkins2004 Active Member

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    Same as my b7. That’s the amp for the sub and rear speakers.
    On the b7 the new head unit I put in is 50watts per channel but the Audi sub amp is only 20watts hence the high volume at the front speakers and low at the back. Best is to run a cable from your new head unit to the rear speakers, at least that’s what’s needed for the b7. Not sure if you wire a new amp for rear speakers and sub to save running new cables from the head unit


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  5. noelpen

    noelpen Member

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    I have just fitted a Sony unit to my b7,do you have Bose speakers
    fitted ??



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  6. leonwilliams

    leonwilliams Active Member

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    Hi certain aftermarket head units have this problem if you get the correct concert it will be fine.i have a pumpkin headunit works fine rear sub great no issues

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  7. leonwilliams

    leonwilliams Active Member

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  8. leonwilliams

    leonwilliams Active Member

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  9. jamiewatkins2004

    jamiewatkins2004 Active Member

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    Which connectors did you use ?

    On the b7 the concert head unit is about 30watts and the rear speakers b and rear speakers the same.

    With the after market head unit I have the head unit is 40 watt and still the rear speakers and sub sent driven by the head unit and as such there is only 30 watts hence why on the b7 it appears that the rears aren’t working correctly.

    That said interested in which connectors you used.


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  10. leonwilliams

    leonwilliams Active Member

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    I used the connector that came with the pumpkin head unit ..if touch to there site you should be able to see ..rear sub worked straight away No issues

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  11. leonwilliams

    leonwilliams Active Member

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    Image of leads used [​IMG]

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  12. jamiewatkins2004

    jamiewatkins2004 Active Member

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    Thanks for the image


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  13. jamiewatkins2004

    jamiewatkins2004 Active Member

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    Did you got this head unit to a b8 or b7 ? Just curious cause maybe the wiring is different between the models


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  14. leonwilliams

    leonwilliams Active Member

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    Mines 2011 a3 sport back

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  15. leonwilliams

    leonwilliams Active Member

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    I did post some images when I did the install can't seem to find them. Will keep looking and post for you

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  16. samuelh_888

    samuelh_888 Well-Known Member Audi S3 Black Edition Manual

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    Hi @liam1711spear - did you get the rear speakers sorted? I’m looking at the Kenwood unit to replace my RNS-E (with full Bose).
     
  17. liam1711spear

    liam1711spear New Member

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    Hi, yes I did, only had to cut a wire and connect it to another using the remote cable



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  18. Boud

    Boud New Member

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    Wich cable was it? Is it the remote cable that you fit with the radio (blue cable)

    I’m having a hard time with my rear speakers since I switch my headunit for a Pionneer AVH-2300 NEX. No sound came from the rear part of the car... maybe the wrong harness? I used the iDataLINK Maestro Rr with the VW1 harness. Maybe, I should juste switch all this for a ctkau10 like you.
     

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