“Can you hook this up to a 4K HDTV with HDMI ARC without losing 4K signal (HDCP 2.2 compliant)?”

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• No, you can't. The pass-through only supports 1080P. Disappointing, and I can't fathom why.

  Answered by EJTL 9 years ago

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• I can verify if you just hook up the soundbar with ARC and hook up your other devices directly to the TV, all video signals (including 4K) will work as they should.

  Answered by Crastan 9 years ago

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• If you connect your 4k devices to TV then use the ARC to connect to sound bar it will not impact the 4k video as the ARC only carries audio.

  Answered by J1976 9 years ago

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• depends, I cannot run HDMI ARC to the soundbar because my Xbox1s is connected to the HDMI ARC port on my vizio tv.

  Answered by mcblack11 9 years ago

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• Thank you for a great question on our SmartCast™ SB4551-D5! As long as you have that 4K device connected to another 4K-compatible port on your TV, there should be no issues with this. If you have any questions or concerns, we encourage you to reach out to our Support team at 844.254.8088. Thanks again and have a great day! -Collin

  Answered by VIZIO 9 years ago

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