HDMI 16x1 Multi-viewer is with eight HDMI inputs and one HDMI output. Seamless switch eight HDMI sources into one HDMI-ready display in 9 different multi-views at resolution up to 4k 30HZ. HDMI outputs audio and video simultaneously at audio format LCPM 2.0 Shortcut keys for up-and-down dual image mode, Right-and-left dual-image mode, Eight-image mode, Four-image mode.