Hoping this is true...
I copied this info from digitaltrends.com: All you need for ARC to work its magic is to make sure any connected components are equipped with ARC, and then simply connect them with a recently-made HDMI cable (2009 or later) . If your current HDMI cables are ancient it won’t cost you more than a few dollars to upgrade. In some rare cases you will also need to go into your components’ settings to activate ARC, but the vast majority of devices have it enabled by default, making it a plug and play affair.
Would not be a surprize if the existing HDMI cabling is "older" but probably difficult to pull the HDMI from the splitter to the new TV;-(
Nancy
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