Monoprice Blackbird 4K 4x4 HDMI Matrix, 18G, 4K@60, YCbCr 4:4:4, EDID, 4K to 1080p Downscaler, IR - Monoprice.com
Tripp Lite HDMI over Cat5 Cat6 4x4 Matrix Video Extender Switch HDMI RJ45 F/F TAA - video/audio extender - HDMI - B126-4X4 - Audio & Video Cables - CDW.com
Manhattan 1080p 4x4 HDMI Matrix, Switch/Splitter Matrix with Four Inputs and Four Outputs, RS232 Control, Video Bandwidth Amplifier, Remote Control, Black (With Euro 2-pin plug), Box | www.shidirect.com
Comprehensive HDMI 4x4 Matrix Switcher with RS232 CSW-HD440 B&H
4x4 HDMI Matrix Switch 4K with Quad Multi-Viewer, R232/IR TESmart
Hdmi Utp 4x4 Matrix Hdmi Switch Splitter Over Cat5e/cat6 Cable Up To 130ft With 4 Hdmi Receivers Included - Audio & Video Cables - AliExpress