Kramer VS-66H2 6x6 4K HDR HDCP 2.2 Matrix Switcher with Digital Audio Routing | www.publicsector.shidirect.com
8x8 4x4 HDMI Matrix Switch with Audio, Ethernet Web APP RS232 IR Button 6-in-1 Switcher HDCP 1080P 4K Video Display Auto Loop - AliExpress
Amazon.com: OREI 6X4 4K HDMI Matrix Switcher Extender - HDBaseT UltraHD 4K @ 60Hz 4:4:4 Over Single CAT5e/6/7 Cable with HDR, CEC & IR Control, RS-232 - Up to 132 Ft 2
VS-66H2 6x6 4K60 HDMI Matrix
Sports Bar 6x6 HDMI Matrix Switcher w/Scaling, Separate Audio, Apps, Video Wall & 100ms Switching, WolfPack