27" iMac 3.5mm audio output problem

Discussion in 'iMac' started by Tonyren, Dec 19, 2012.

  1. Tonyren macrumors member

    Sep 17, 2012
    New york
    I'm thrilled with my new 27" iMac. Loving it but discovered a problem. I have a Bang & Olufsen Beoplay A8 speaker and I used 3.5mm male to RCA cable to bypass iMac's speaker and use A8 instead. The problem is when I turn the volume all the way up on my iMac, there is this white-noise like sound affecting the sound quality. However, if I don't turn the volume all the way up on my iMac, it seems to work fine regardless how loud I turn up my Beoplay. I tried the cable with my iPhone (volume all the way up on iPhone) and it was fine. So I suspect it has something to do with iMac's internal. Can anyone who have the new iMacs test it out? Or any input would be helpful. Thanks!
  2. torana355 macrumors 68030

    Dec 8, 2009
    Sydney, Australia
    i Use that output but i use an optical cord instead, does your stereo have an optical input?

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