The Evolution by Vanco HDMI 4x1 Switcher (EVSW1042) allows 4 HDMI sources to be distributed to 1 display, with the ability of controlling each source connected and input switching from the display remotely via IR. Allows multiple sources to be switched on a single display by creating additional HDMI inputs. The EVSW1042 is capable of up to 4K/60Hz Ultra High Definition resolution, 4:4:4 chroma capability, and HDR with HDCP 2.2, making this unit the most up to date HDMI switcher for 4K transmission. Also features EDID management for audio, which allows selection of a preferred type of audio transmission. Equipped with ARC (Audio Return Channel) functionality, which allows the connected ARC equipped display to send audio data "upstream" to an ARC equipped A/V receiver or surround audio controller, via toslink or stereo output for expanded audio distribution.In addition, the EVSW1042 features RS-232 for control of the main switching until as well as IR routing, which allows for remotre source control at the display location. The result is a great solution for HDMI switching which offers multiple features and full 4K capability, the EVSW1042 4x1 Switcher is a great choice for any application.