StarTech.com 1080p and 4K HDMI Auto Switches – StarTech.com VS421HD4K, The VS421HD4K 4-port HDMI 4K switch from StarTech.com lets you share a display or projector with four HDMI-enabled audio/video source devices. The switch features four independent inputs each supporting 4K resolution and 7.1 surround sound audio.The 4-port switch also features MHL support on HDMI input port 1, enabling video output from MHL-enabled mobile devices such as Samsung Galaxy tablets and smartphones. You’ll be amazed at how this video switch maintains Ultra HD picture quality. 4K is supported by the latest A/V devices and delivers four times the resolution of 1080p. And as the switch is backward compatible with high-definition 1080p, you can rest assured any video source will look great in your digital signage application.Made from solid aluminium, the HDMI switch is durable and heavy enough to prevent the unit from lifting or sliding around if the attached HDMI cables are bumped or shifted. Plus, its small footprint makes it easy to integrate the switch into any boardroom, classroom, home cinema or digital signage application.This switch ensures effortless operation with automatic switching that detects and selects a newly connected device. Automatic switching encourages on-the-fly collaboration among colleagues, by making it easy to share your projector between multiple source devices in a boardroom or classroom environment. The VS421HD4K also supports manual operation using the included IR remote control, or the built-in front panel toggle switch directly on the device.The switch also saves time during set-up with EDID emulation ensuring all of your native settings such as resolution and refresh rate are communicated between your display and video source devices. EDID emulation maximizes compatibility with your 4K display, ensuring a convenient plug-and-play installation.The VS421HD4K is backed by a 2-year warranty and free lifetime technical support. StarTech.com VS421HD4K HDMI Super Slim 4K HDMI 4×1 Switch