4 Channel TV Video Wall Controller 2x2 1x3 1x2 HDMI DVI VGA USB Video Processor
4K Video Wall Controller 3x3 HDMI TV Wall Processor 9 Screens into a Wall Display with 180° Degree Rotate Multiple TV Screens one Picture 13 Splicing Modes 2x1, 2x2, 2x3, 3x1, 3x2, 3x3, 2x4, 4x1, 4x2 Open box but new