4x4 HDMI Matrix Switch 4K with Quad Multi-Viewer, R232/IR TESmart
Amazon.com: Yinker 4K HDMI Matrix Switch 4x4, 4K@30Hz HDMI Matrix Switcher Splitter 4 in 4 Out with Backlit Button, Support HDCP EDID Management RS232 Control : Electronics
m.media-amazon.com/images/I/61VZMvxjUcL.jpg
4x4 HDMI® 1.4 Matrix | Omnigates - omnigates.com
Amazon.com: Enbuer HDMI Matrix Switch 4x4, 4K HDMI Matrix Switcher Splitter 4 in 4 Out Box with EDID Extractor and IR Remote Control Support 4K HDR, HDMI 2.0b, HDCP 2.2, 4K@60Hz, 3D,