“Does this TV had an optical out and if so can you change the audio settings from PCM to either Dolby Digital or Bitstream? Is one of the TV's HDMI's and HDMI ARC?”

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• No, the 28LM400B-PU does not have an audio output option. We apologize for the inconvenience. ^CP

  Answered by LG Digital Customer Care 5 years ago

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