LED Video Display Controller. The MCTRL660 Pro is a professional low-latency LED controller. A single unit can handle up to 1920×1200@60Hz resolution. The MCTRL660 Pro is equipped with numerous market-leading technologies. With the various video inputs such as HDMI, DVI, 3G-SDI and six Gigabit Ethernet and two 10G optical outputs, you can configure extra large displays with excess width or height.