4x4 HDMI Matrix Video Switch Splitter - Video Switchers | Canada
4x4 HDMI Matrix Switcher with Video Wall Function and Audio : Avenview
HDMI Matrix Switch 4x4 SGEYR 4 in 4 Out HDMI Switcher Splitter Audio Video Distributor Selector Box with IR Remot,RS232 Switches|HDMI Cables| - AliExpress
AV Access 4x4 4K HDMI Matrix Switcher with Downscaler, IR Remote
Amazon.com: Enbuer HDMI Matrix Switch 4x4, 4K HDMI Matrix Switcher Splitter 4 in 4 Out Box with EDID Extractor and IR Remote Control Support 4K HDR, HDMI 2.0b, HDCP 2.2, 4K@60Hz, 3D,
TESmart Ultra HD 4K HDMI 4X4 Matrix Switcher with RS232 IR Remote Control Supports 4Kx2K @30 Hz, HDCP, 3D and Deep Color, HDMI 1.4 Compatible