“What audio connections are available to connect to a sound system”

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• HDMI IN 2 /ARC on the LG 65 inch Class 4K Smart UHD TV (64.5'' Diag), Model # 65UM6900PUA is an HDMI port that supports HDMI ARC functionality so it can be connected to an HDMI port that also supports HDMI ARC functionality on another device. HDMI ARC allows you to send audio upstream or downstream via the same HDMI cable. The other audio output on the 65UM6900PUA is an Optical Digital Audio Output...^IFV

  Answered by LG Digital Customer Care 6 years ago

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