The 4x4 4K 60 Hz HDR HDMI Matrix Switcher with Auto Downscaling and RS-232/IP/Cloud from BZB Gear allows users to share up to four HDMI sources with up to four displays. Perfect for when you need to change multiple sources to show on multiple displays or even select just one source to show on all displays with the press of a button. Professional-grade picture and audio quality are achieved with support for 4K resolutions and a variety of high-quality audio formats.