4K HDMI Video Wall Controller 3x3 HDMI DVI Video Wall Processor 2X1 2x3 3x2 4X2*
(Multiple display modes: Supports 1x1, 1x2, 1x3, 1x4, 2x1, 2x2, 2x3, 2x4, 3x1, 3x2, 3x3, 4x1, 4x2 modes for you to choose from. 1) 4K only refers to HDMI input signals. It supports up to 4K 30Hz input and 1080P 60Hz output.