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BOSE stereo with concert - the best combo ??

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by doug.p, Feb 24, 2010.

  1. doug.p

    doug.p Getting There
    VCDS Map User

    Feb 24, 2010
    Likes Received:
    pretty much as the title says
    i have the Bose speakers, the head unit it concert, is this the set combination in terms of quality
    if not then what is and is it possible to retro fit the better quality unit ?

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