DVDO DVDOQUICK6-MIR Quick6 6x2 4K Ultra HD HDMI Switcher Dual HDMI outputs - true mirror for feeding two displays or one display and an AVR 4K Ultra HD capable HDMI inputs Digital coax and optical S/PDIF audio outputs for older AVR connection Two inputs also support MHL, the latest mobile interface that combines HDMI, charging, and control into a single connector. Serial for connection to home control systems and USB for easy field firmware updates