The multi-format AV-HS400 live switcher is an all-in-one system that easily integrates into existing HD/SD workflows, flawlessly mixing HD and SD video sources. With a built-in MultiViewer image preview, expandable HD/SD architecture, 3D digital effects and a host of other advanced features, the HS400 provides all the functions you need for superb results. The HS400's built-in MultiViewer can output 4, 6, or 10 images from different sources to a single high-resolution display, eliminating the need for multiple HD source and preview monitors