AV Access 4x1 4K HDMI Multiviewer, Seamless Quad-View HDMI Switch
Amazon.com: Optimal Shop 4X1 HDMI Multi-viewer HDMI Quad Screen Real Time Multiviewer with HDMI Seamless Switcher Function Full 1080P and 3D : Electronics
Tobo 4X1 HDMI Multi-viewer HDMI Quad Screen Real Time Multiviewer with HDMI Seamless Switcher Function Full 1080P&3D Support 5 Modes for PS3/PC/STB/DVD (4X1 HDMI Multi-viewer)(TD-427H-05) : Amazon.in: Electronics
Quad Multi Viewer 4x1 HDMI Switch HDMI/VGA Output Full HD 1080p (HD-401MV) | OREI