BZB Gear BG-8K-44MA 4x4 8K UHD HDMI 2.1 Matrix Switcher With Auto Downscaling/Audio De-EmbeddingWith four HDMI 2. 1a inputs and four HDMI 2. 1a outputs, the BG 8K 44MA 8K HDMI matrix switch 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 various 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 8K resolutions and various high quality audio