8x8 4K60 HDMI Matrix Switcher Splitter Smart EDID HDCP IR Remote Control RS232 – BITVISUS
Leaf 4K Ultra HD 6x6 AV Matrix Switch
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
Control4® LU Series 4K Ultra HD 6X6 Matrix Kit-C4-LU642L-KIT | Steiner's Audio Video