StarTech.com 4x4 HDMI Matrix Switch with Picture-and-Picture Multiviewer or Video WallThe VS424HDPIP 4X4 HDMI Matrix Switch with Picture and Picture (PAP) gives you the power to seamlessly combine and distribute four HDMI audio video sources across four different HDMI displays, with the added ability to combine multiple images on the same display. See the Whole Picture The split screen multiplexing switch combines the flexibility of a matrix switch with the scalability of a video wall, giving you the freedom to combine video sources on