Amazon.com: Spolehli Video Wall Controller 3X3 HDMI Video Wall Processor 4K TV Wall Controller 3x3 3x2 2x2 3x1 1x4 2x3 4x2 2x4, with Remote Control for 9 TV Splicing : Industrial &
3x3 HDMI Matrix Switcher w/Scaling, Separate Audio, Apps, Video Wall & 100ms Switching, WolfPack
BG-UHD-VW29 3x3 4K UHD HDMI Video Wall Processor with IP/RS232 Control (Supports 1x3/1x4/2x2/2x3 up to 3x3 Layout)
EZW-UH9 - Ultra HD 3x3 Video Wall Processor
3x3 HDMI Matrix Switcher w/Scaling, Separate Audio, Apps, Video Wall & 100ms Switching, WolfPack
4K 3x3 HDMI Matrix Switcher over CAT5 with Apps, WolfPack
3X3 2X4 2X6 2K 4K LED Video Processor HDMI Video Wall Controller - China LED Video Wall Controller and 3X3 Video Wall Controller price | Made-in-China.com