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All inputs support 4k 2.2 I have my Roku Ultra using Hdmi 2 with 60 Hz looks and sounds fantastic considering it supports Dolby Atmos,Vision and HDR Just don't use Hdmi 3 if you plan on using the EARC function.
Sorry, there was a problem. Please try again later.Hi Northfield, Thanks for your inquiry. All 4 HDMI ports of the A80J already support HDCP 2.3. You can connect the device to any of the HDMI ports on the TV. The TV supports both 30 Hz and 60 Hz. Depending on your source device, you can set the HDMI signal format on the TV to either "Standard format" or "Enhanced format" (for 4K120 or HDR). For more information, please refer to these links: https://helpguide.sony.net/tv/iusltn1/v1/en-003/04-09_02.html https://www.sony.com/electronics/support/televisions-projectors-oled-tvs-android-/xr-65a80j/specifications Hope this helps, -Ralph
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