PORTTA HDMI Video Wall Controller-Processor 3x3 4K, 19 Splicing-9 Screens to 1
PORTTA Video Wall Controller 3x3 4K, HDMI Video Wall Processor with 19 Splicing Modes, RS232, 180° Rotate, Audio Extractor, 3x3, 3x2, 2x3, 2x2, 4x2, 2x4, 1x2, 2x1, 9 tv Screens into 1 Wall Display New open box wothout user manual