Amazon.com: HDMI Multiviewer Switch 4x1, Quad Seamless Switcher 4 in 1 Out with IR Remote Control, Support 4K Full HD and 5 Display Modes for Security Camera, Gaming Consoles : Electronics
9x1 4K HDMI Seamless Switcher w/ Multi-View | A-NeuVideo, Inc.
HDMI Multiviewer Switch, 4-Port, Built-in IR | Eaton
HDMI Quad Screen Splitter/Multiviewer - YouTube
Amazon.com: CKLau 4Kx2K@30Hz 4 Port Multi-View HDMI KVM Switch with Cables, Audio and USB 2.0 Hub Supports Quad Screen Divide-View, Sync-View, Single- View Switching Up to 7 Viewing/Operating Modes : Electronics
CKL Multi View HDMI KVM Switch 4 Port with Audio and USB2.0 HUB, Quad – CKL KVM Switches
Amazon.com: Iseebiz 4K 4 in 1 Out HDMI Multi-Viewer, 4K@30Hz 2K@60Hz HDMI Screen Splitter with Sound Switch 4 Modes, Seamless Switch for Engineer, Exhibition Hall, Video Meeting, Surveillance, Display Mall etc. :
Amazon.com: HDMI Multi-Viewer Switch 4x1, HDMI Quad Seamless Switcher 4 in 1 Out Support 1080P@60Hz & 5 Display Mode, Split Screen for TV/PC/STB/DVD with IR Remote : Electronics
Ultra HD 4K Quad Multi Viewer 4x1 HDMI Switch VGA Output (HDS-401MV) | OREI