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  1. W

    Audio HDMI ARC or Digital Optical

    Got a new Polk 3.1 soundbar and a new Sony X700 4K bluray player. Is there any difference in sound quality between HDMI ARC and Digital Optical or are both the same? I was using Digital Optical before then tried HDMI ARC and thought I heard a better quality in sound...sounded more full but maybe...
  2. W

    Need help with connections

    Just recently got the Polk 3.1 S4 which I like alot and have a couple questions. Is there any sound quality difference between HDMI ARC and Digital Optical? I'm talking about HDMI ARC and NOT eARC. I "thought" I noticed a difference but it could have been in my head because I wanted to hear a...
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