HDMI Switch: HDMI Matrix Router 4X4 Switch&Splitter. HDMI Matrix - China HDMI Splitter, HDMI Switch

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Matrix HDMI 4X4 Seamless with Videowall ＆ Multiviewer – WaveSplitter Technologies, Inc.

4K 18x18 HDMI Matrix Switch w/Apps & Web Gui - Wolfpack

Video Matrix Switch Splitter, 4x2 HDMI, Audio, 4K/60Hz

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4K HDMI 4X4 Matrix Supports 18gbps Transmission Rate - China Matrix Switcher, 4K@60

Video Matrix Switcher - HDMI 2.0, 8x2

4K 18Gbps HDMI Switch Splitter 2-port 1080p Multiple Displays UTV

4x2 4K HDMI Matrix Switch w/ Scaler, ARC & Audio Extraction