The VR-50HD MK II Multi-Format AV Mixer is and all-in-one AV switcher with USB 3.0 streaming. It delivers best-in-class connectivity and flexibility, allowing you to work with different I/O requirements. The powerful VR-50HD MK II is a complete AV solution, consolidating video switching, digital audio mixing, multi-viewer touchscreen control, and USB AV streaming into a single unit.