Imac Optical output for 5.1 surround sound

Discussion in 'iMac' started by peterxxvi, May 24, 2012.

  1. peterxxvi macrumors newbie

    May 24, 2012
    Hello everyone, I am new to this forum and I just recently purchased a brand new imac (27”, I7, 8GB, 2GB ATI). The problem that I am having is this imac doesn’t have an optical output so I can not take advantage of my Logitech 5.1 surround sound. I called Apple support but they don’t have anything that will help me out. (However the gentlemen did inform me that in a few months imac’s will be able to sync with apple TV and therefore the optical on the apple TV can be used)But in the meanwhile, I purchased a DIAMOND XS71U 7.1 Channels 16-bit 48KHz USB Interface Sound Card ( ) however I’m having difficulties to get it to work properly. Can anyone please guide me it to what I should do to get a 5.1 optical output???
  2. Icaras macrumors 603


    Mar 18, 2008
    California, United States
    The 1/8" output on the iMac serves as a digital audio output port. All you need is a 1/8" to optical adapter or cable, like this:


    Yea, you don't need the external sound card for OSX, unless you want to get 5.1 sound in games in Windows in bootcamp perhaps.
  3. peterxxvi thread starter macrumors newbie

    May 24, 2012

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