4x1 HDMI Quad-Viewer and Seamless Switcher (PRO-QuadView)
HDMI Switch 4x1 KVM Quad Multiviewer with IR Remote 1080p - Audio Video Switch and Splitter - Audio Video
NTI SPLITMUX 4K HDMI Quad Screen Splitter/Multiviewer, Rack-Mount | SPLITMUX-4K-4RT-R
HDMI 2.0a 4K@60 QUAD MULTIVIEWER W/ROTATION & USB VIDEO CAPTURE : Avenview
Hdmi To Sdi Video Converter 1 Hdmi Input 4 Sdi Output Switch Convert Adapter Box - Buy Cctv Video Quad Splitter,Hdmi Splitter To Coaxial,Bnc Video Splitter Product on Alibaba.com