4x4 HDMI Matrix Video Switch with Audio and RS232 4K HDCP TESmart
Amazon.com: HDMI Matrix Switch 4x2, 4K HDMI Matrix Switcher Splitter 4 in 2 Out Box with EDID Extractor and IR Remote Control Support 4K HDR, HDMI 2.0b, HDCP 2.2, 4K@60Hz, 3D, 1080P :
Amazon.com: MT-VIKI 4K HDMI Matrix Switch 8x8, 4K@30Hz Rack Mount Switcher & Splitter with Backlit RS232 LAN Port and EDID, Built-in US ADI Chip (8 in 8 Out) : Electronics
4K HDMI Matrix switch 8X8,HDCP HDR RS232/LAN Control TESmart