Blustream MX44VW 4x4 4K Seamless Switching HDMI / VGA Matrix

MT-VIKI 4x4 HDMI Matrix Switch 4K@30hz 4 in 4 out Switcher 3D with Web GUI RS232

Updated 4K 4x4 Seamless HDMI Matrix Switch w/Web GUI Video Wall Controller

Vanco 280707 4x4 HDMI Matrix Selector Switch over 2 UTP with IR & RS232 Control

4K@60Hz 4x4 HDMI Matrix Switch with Remote, Auto Downscale (UHD-404R)

OREI UHD-404 HDMI Matrix Switch 18Gbps 4x4 4-Inputs 4-Output

Binary B-520-MTRX-230-4x4 HDMI Matrix Switch! Tested Working!

AV Access 4x4 HDMI Matrix Switch 4K60 HDR Audio Extractor HDCP 2.2