HDMI Multiviewer Switch 4x1,AUBEAMTO Quad Seamless Switcher 4 in 1 Out with IR Remote Control, Support 4K Full HD and 5 Display Modes for Security Camera, Gaming Consoles Audio/Video Switch - Newegg.com
Ultra HD 4K Quad Multi Viewer 4x1 HDMI Switch VGA Output (HDS-401MV) | OREI
NTI splitmux-4k6gb-4lc Low-Cost 4K 6.75Gbps HDMI Quad Screen Splitter/ Multiviewer - Pro AV Warehouse
SPLITMUX-4K18GB-4 - 4K 18Gbps HDMI Multiviewer
HDMI 2.0 MULTIVIEWER-Partilink Inc.
Amazon.com: 4K HDMI Multi Viewer Switch 4x1, Quad Seamless HDMI Switcher, 4 in 1 Out with Loop Split Screen, 5 Display Modes with IR Remote for Security Camera, Gaming : Electronics