You can plug a PS4 into the Xbox One, but Microsoft says you probably shouldn't
Set up your Xbox One console | Xbox Support
How to Use the Xbox One's HDMI In Passthrough Port to Plug in Other Consoles – GameSpew
Amazon.com: Mirabox USB3.0 4K HDMI Video Capture Card, 1080P 60FPS HD Game Capture Device Cam Link with HDMI Passthrough Work with Xbox PS5 PS4 Switch DSLR for OBS Twitch Live Streaming and
How to Use the Xbox One's HDMI In Passthrough Port to Plug in Other Consoles – GameSpew
Xbox One's HDMI Pass-Through Will Connect To PlayStation 4, PCs and More | HotHardware
Xbox passthrough - how it works. See comments per pic : r/XboxSeriesX
How Useful Have You Found The 'HDMI In' Port On Your Xbox One? - Talking Point | Pure Xbox
You're Ready to Power Your Dreams - Is Your TV? - Xbox Wire
Xbox OneGuide to be switched off, ending Xbox One's TV dream | Eurogamer.net
Everything there is to know about the HDMI IN port on the Fire TV Cube 3 | AFTVnews
Xbox OneGuide to be switched off, ending Xbox One's TV dream | Eurogamer.net
Xbox One X apparently supports HDMI-CEC now. Found under display options, TV & OneGuide, Device Control. : r/xboxone
Xbox Audio Passthrough | Xbox Support
