Magenta Research CORIOview MWP-4Y-1Y 4 x 4K HDMI Input MWP-4Y-1Y
Quad Multi Viewer 4x1 HDMI Switch HDMI/VGA Output Full HD 1080p (HD-401MV) | OREI
4x1 4K HDMI Quad MultiViewer with Rotation and Audio : Avenview
XQ-CEA-0161US, 4K HDMI Multi-Viewer, 4 in 1 Out HDMI Screen Switch with 5 Modes, Support 4K@30Hz/2K@60Hz Seamless Switch for Game Studio, Exhibition Hall, Video Meeting, Surveillance, Display Mall etc., Iseebiz
Amazon.com: Iseebiz 4K HDMI Multi-Viewer, 4K@30Hz 2K@60Hz 4 in 1 Out HDMI Screen Splitter with Sound Switch 4 Modes, Seamless Switch for Gaming, Exhibition Hall, Video Meeting, Surveillance, Display Mall etc. :
Amazon.com: Iseebiz 4K HDMI Multi-Viewer, 4K@30Hz 2K@60Hz 4 in 1 Out HDMI Screen Splitter with Sound Switch 4 Modes, Seamless Switch for Gaming, Exhibition Hall, Video Meeting, Surveillance, Display Mall etc. :
9x1 4K HDMI Seamless Switcher w/ Multi-View | A-NeuVideo, Inc.
2x1 HDMI Multi-Viewer w/ PiP | A-NeuVideo, Inc.
Amazon.com: Orei HDMI Multi-Viewer 4x1 Seamless HDMI Switch by OREI - 4 Ports, IR Remote, Supports up to 1080p, Security Camera, HDMI Switch 4 in 1 Out : Electronics
4x1 4k Hdmi Quad Multi-viewer With 4k Input And 4k Output With Pop Pip And Kvm Switch Functions - Channel Video Multiplexer - AliExpress