27" iMac - Onboard Sound

Discussion in 'iMac' started by mrob44, Dec 28, 2009.

  1. mrob44 macrumors member

    Feb 7, 2009
    I'm looking to buy some 5.1 Surround PC Speakers for a future 27 iMac purchase (once all the issues go away, hopefully). I have a Logitech set in mind, but as I was looking on Apple's site, I can't seem to find a specific mention of the type of audio the iMac is capable of outputting. Does it support 5.1, or only 2.1?

    Any help is appreciated, sorry if this has been answered already or if it's a dumb question. I'm not a sound guy.
  2. knewsom macrumors 6502a

    Jun 9, 2005
    It does indeed support surround sound through the optical output in the headphone jack.
  3. Cave Man macrumors 604

    Cave Man

    Feb 12, 2007
    Neander Valley, Germany; just outside Duesseldorf
    It provides up to 5 channel Dolby Pro Logic II by analog (mini stereo plug to receiver capable of decoding DPLII), or up to 5.1 Dolby Digital or DTS by optical (mini-Toslink to Toslink and provided your receiver/amp can decode DD or DTS). You also need software that can passthrough optical audio to a receiver, such as Plex, and your content must be encoded in those schemes.
  4. mrob44 thread starter macrumors member

    Feb 7, 2009
    Very helpful information. Thank you.

    Plex is great, by the way.

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