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  1. #1
    A3_Turbo's Avatar
    Swaying towards IHI....

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    Aftermarket Headunit Fitting

    Hi there in the process of getting my dvd headunit fitted into the A3.

    Have a couple of questions regarding the BOSE System.. Apparantly halfords say fitting this headunit ( a ripspeed dvd) into a TT with the Bose system they had problems with it sounding crap and making a horrible noise any idea why?

    And one more thing im guessing the Sub wont work with a different headunit also the CD changer? So i'll be looking at a new sub and amp im thinking maybe a 12" VIBE would do the job?


    Thanks


    Jason

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  3. #2
    timps's Avatar
    Shakersville

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    Bose use extra amps to power front, rear and sub. If you connect an aftermarket headunit to these using the low level amp output (to front and rear) it will sound near enough the same as your standard headunit as it is using the same Bose amps to generate the sound.

    If you get the wrong adapter harness (none Bose uses only one amp for the rear + sub and uses the headunits own amp for the front) you will supply the front Bose amp with high level amplified speaker outputs which will cause distortion and sound cr@p .

    I know of this happening to people that have gone to Halfords so maybe this is what they are on about. With the right harness it should sound the same but no better & the sub will still work.
    Last edited by timps; 31st July 2006 at 12:18.

  4. #3
    A3_Turbo's Avatar
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    Ok thats great thats what i wanted to know halfords reckon it was a BOSE harness they ordered so i'll have to see how it is when fitted.

    Probably will still go for a VIBE 1200w Sub sometime soon tho and obviously a differnt amp powering it


    Jason

  5. #4
    timps's Avatar
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    There are different Bose harnesses.

    Auto leads (Halfords tend to use them) supply more than one Bose labelled harness for Audi depending on what you want to do with the headunit and how many, if any RCA outputs your new radio has (0, 2 or 4). Just make sure it connects up to the low-level outputs or RCA.

    One harness if used can be wired incorrectly & will send high level to the front amp even though it says Bose on it, one member on this forum has already had this problem even though they ordered Bose.

    And one converts 2 outputs from the radio into 4 which might be a detriment to sound quality because there is no fader control.

  6. #5
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    You can also get horrible clicks from the RCA input adapter when changing CD track, setting the volume to zero etc - see recent post for A6 with Bose by Rich DJ

 

 

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