Audio & Video Cables & Adapters
StarTech.com HDMI Splitter - 4-Port - 4K 60Hz - HDMI Splitter 1 In 4 Out - 4 Way HDMI Splitter - HDMI Port Splitter (ST124HD202)
4-PORT HDMI SPLITTER: Displays the same image with sound on 4 screens; Splits an HDMI video signal up to Ultra HD 4K 60Hz & 7.1 CH audio; 4:4:4 chroma subsampling support w/ bandwidth up to 18Gbps (HDMI 2.0b); HDR; HDCP 2.2 to HDCP 1.4 conversion...
https://www.bizrate.co.uk/audio_videocables_adapters/startech-com-hdmi-splitter-4-port-4k-oid9461609239.html