Sky InsuranceChris Nott
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  1. #1
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    Replacing Bose amp with an aftermarket one

    Folks, after the grief I've had recently with the Bose amp in my car I'm wondering if it can be replaced with an aftermarket amp.

    Does anyone know of any cases of people replacing the Bose amp with an aftermarket one, yet retaining the RNS and Bose speaker set up?

    I've trawled the internet and cant find anything similar. The closest I came across were a few guides where an additional amplifier has been integrated to the Bose system to run a sub.

    Does anyone know if its possible, or even if there are any adapters available?

    A replacement Bose amp is the guts of £700, so I'd rather get a cheaper more reliable aftermarket replacement if possible.

    Car is an 8J TT, but I would expect it would be the same idea in any Audi.

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  3. #2
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    Just find a used Bose amp, 8J0035223A or C or D are compatible.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  4. #3
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    If it were that easy, I would. Sadly they are pretty much impossible to find!

  5. #4
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    All though this is a full kit, its just an example of what can be found if you try harder, that took me about 1 minute to find

    *Audi TT RS 8J Roadster BOSE komplettes Soundsystem Boxen Sound 8J0035223A | eBay

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

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  6. #5
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    Literally no idea how I missed that! Cheers.

    Any idea what an F revision is?

    Audi Blaupunkt Amplifier 8J0035223F 5 Channel | eBay

  7. #6
    NHN
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    F isn't Bose mate.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

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  8. #7
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    Ok, thanks.

    Any idea if an amp from other Audi models would work, or would it be safer not risking it as they probably all have different speaker amounts and processer settings?

  9. #8
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    Stick to as advised

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

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  10. #9
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    Probably safer! I've emailed that seller to see if he'd split the set, I'll keep looking in the mean time. Thanks for the advice.

    Still keen to hear if the aftermarket route in an option too.

  11. #10
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    not a problem to use an aftermarket amplifier

    you would need at least a five channel amplifier , preferably a 6 channel
    you would have to do a little bit of wring and such but it would sound a lot better than the bose amplifier

    6 channel
    Denon DCA800 6/5/4/3 channel power amp retro 90's vintage | eBay

    5 channel
    Brax Helix HXA500. 5 channel amplifier | eBay

    6 channel

    Caliber CA660 6 Channel Power Amplifier Car Audio Amp - Used | eBay

    all very good amplifiers in there own right
    2003 pearlescent black s4 avant tiptronic - milltek exhaust - pre cats removed - remapped ...
    koni adjustable suspension front and rear
    alpine f1 dvi9990 -pxah990 headunit and processor - alpine d511r
    4 x focal 5ws midbass drivers - focal audiom 6w midrange - focal tce tweeters - velodyne df 12 sc servo controlled subwoofer
    3 x phoenix gold zpa 0.5 amplifiers

  12. #11
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    Its the "little wiring" that worries me.

    Have you actually done it? Simply removed the Bose amplifier and added an aftermarket one, no additional subs or speakers?

    I fitted the RNS this morning and everything appears to be back to normal so far (touch wood). The hissing, popping and poor sound have all disappeared. I cant understand how that could have been down to the head unit though? I thought all processers/settings etc went through the amp?

  13. #12
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    see my signature

    there is no standard audio in my car
    the little bit of wiring would require you to run a power cable from the battery down to wherever you wished to install the amplifier
    preferably you would want to fuse the wire no more than 18" from the battery and again just before it entered the amplifier

    you can pick the input signal up from the original loom which you dissconnect from the bose amplifier
    2003 pearlescent black s4 avant tiptronic - milltek exhaust - pre cats removed - remapped ...
    koni adjustable suspension front and rear
    alpine f1 dvi9990 -pxah990 headunit and processor - alpine d511r
    4 x focal 5ws midbass drivers - focal audiom 6w midrange - focal tce tweeters - velodyne df 12 sc servo controlled subwoofer
    3 x phoenix gold zpa 0.5 amplifiers

 

 

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