This is what I use to split HDMI signal Orei BK-104 HDMI Splitter

This is the Orei BK-104 HDMI 2.1 Splitter, this HDMI splitter has 2.1 ports that supports up to 8k/60hz resolution, 4k/120hz, HDR, Dolby vision, VRR, Freesync, Dolby Atmos, DTS:X. Visit Orei: 1x2 - https://www.orei.com/products/1x2-hdmi-splitter-w-audio-out-1-in-2-out-ultrahd-8k-edid-bk-102 1x2 w/ Audio Extraction - https://www.orei.com/products/1x2-hdmi-splitter-w-audio-out-1-in-2-out-ultrahd-8k-edid-bk-102a 1x4 - https://www.orei.com/products/1x4-hdmi-splitter-w-audio-out-1-in-4-out-ultrahd-8k-edid-bk-104 1x4 w/ Audio Extraction - https://www.orei.com/products/8k-hdmi-splitter-1-x-4-duplicate-mirro-screen-with-audio-extractor-4k-120hz-ir-edid-bk-104a Amazon US: https://amzn.to/3SrnaQN LG C4 OLED: https://howl.me/cl2fgmOJPxP