StarTech.com ST124HDVW 2x2 Video Wall Controller - 4K 60Hz Display - HDMI 2.0 - 1 In 4 Out Video Wall Splitter - RS-232 Serial Control (ST124HDVW)
TO 4X 1080P DISPLAYS FOR LARGE VIDEO WALL - 7.1CH AUDIO/HDCP 2.2 - HDMI VIDEO WA