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Buy Fosmon 3-Port HDMI Switch 4K, 3x1 Switcher (Automatic Switching) Support Ultra HD 3D HDR Full HD 1080P HDCP, HDMI Splitter Hub Compatible with Apple TV Roku Fire TV Stick HDTV PS4
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Blackmagic Forum • View topic - HDMI splitter for atem mini pro & Samsung TV troubleshooting