The MSU44-18G is a 4x4 HDMI matrix switcher with full 18Gbps bandwidth and both analogue and digital audio De-embedding on each of its outputs. Each output can automatically downscale 4K to 2K where necessary to ensure that an image will be received on all Displays. The matrix has four methods of control: Front Panel, RS232, LAN or IR. A front panel locking feature helps prevent accidental operation.