BZB Gear BG-UHD-MVS41A 4x1 4K UHD HDMI Seamless Switcher/Quad MultiViewerThe 4K@60 4x1 Multiviewer Seamless UHD Video Switcher is designed to allow you to display multiple video sources at 4K resolution on a single screen. It combines four video signals and allows you to manage each input, create combinations of the four inputs, and adjust their positions on the display. Besides instant switching between 4 sources the BG UHD MVS41A has the ability to display the four video inputs in a Picture in Picture (PIP) or Picture by