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
NTI splitmux-hd-4lc Low-Cost HDMI Quad Screen Splitter/Multiviewer - Pro AV Warehouse
Ultra HD 4K Multi-Viewer 2x1 HDMI Seamless Video Switch(UHD-201MV) | OREI
Tripp Lite HDMI Quad Multi-Viewer Switch - 4-Port with Built-in IR, 1080p @ 60 Hz (F/4xF) - video/audio switch - 4 ports - B119-4X1-MV - Audio & Video Cables - CDW.com
4K HDMI 4×1 Quad Multi-viewer
Quad Multi Viewer 4x1 HDMI Switch HDMI/VGA Output Full HD 1080p (HD-401MV) | OREI
SPLITMUX-4K18GB-4 - 4K 18Gbps HDMI Multiviewer
Source HDMI Quad Multiviewer 4x1 4 in1 Out HDMI Quad Screen Splitter/ QUAD Multiviewer with IR Control on m.alibaba.com
4x2 UHD+ 4K@60Hz HDMI PiP PoP Seamless Switching Multiviewer w/ PIP | A-NeuVideo, Inc.
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. :
HDMI 2x1 Multi-Viewer Switch Seamless Switcher w/ PIP Function Support HDMI 1.3a Full HD 1080P IR Remote Control Scaler UP/Down 4 Picture Mode 2 Input 1 Output - Walmart.com
LUOM 4K@60Hz HDMI Multi-Viewer Quad 4x1 Seamless Switch 4k/1080p Switcher w/5 Display Modes Out for PS4 Xbox Apple TV Fire Stick Blu-Ray Player - Newegg.com