This Orei is my third matrix box. I can confirm with Xbox One X that ARC works, 4K works, HDR10 works, 60 fps works and Atmos audio works. That's why I bought it, my previous matrix didn't have all these features. One thing that annoyed me is that OREI has an EDID. Which isn't bad, but it does require both TVs to have the same capabilities. Like me, my side TV was 4K but no HDR and my main screen was 4K HDR10. So the Xbox One X reported that I had no HDR10 capabilities available, even though the TV on the side didn't show any Xbox One X content. This means I now have to buy a more fully functional side window, luckily they are really cheaper. So you may need to consider this for your environment. If one of your TVs is the same as My Secondary TV, your entire gaming experience may be affected until you update the screen to match your main screen. Overall I am very happy with the box. IT professionals do what they want and have all the audio and visual power for current-gen Xbox One X gaming.
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