Multiviewer sub module. Add Multiviewer functionality to your router with the 9480 sub module option. Sources are sized perfectly with Ensemble’s proprietary scaling algorithms, ensuring a beautiful picture, no matter what size you choose. You’ll see stunning detail in every position, even when the same source appears multiple times. Configuration is super simple with the click-to-fill function, snap-to grids and intuitive menus. Labels, borders, audio meters and tally are configured with a web browser on your computer or iPad. It’s easy to save and apply configurations to multiple cells.