Share two distinct vga inputs and audio source signals between two displaysr r matrix switching lets you use the device as a video splitter or switch with the ability to toggle onoff signals giving you full control of screen content r built in signal amplifier lets you extend your connection by up to 210 feetr r share two distinct vga inputs and audio source signals between two displays the st222mxa 2x2 vga matrix switchersplitter allows you to share 2 distinct vga inputs as well as a corr