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Amazon.com: Spolehli Video Wall Controller 2X2 Video Wall Processor 2X1 3X1 4X1 1X2 1X3 1X4, 1080p, HDMI 1.4 Multi-Screen Splicing Display Controller with Remote Control for 4 TV Splicing (4-Channel) : Industrial
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Startech .com 2x2 HDMI Video Wall Controller, 4K 60Hz Input to 4x 1080p Output, 1 to 4 Port Multi-Screen Processor, RS-232/Ethernet Control2... ST124HDVW - Corporate Armor
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