4x2 UHD+ 4K@60Hz HDMI PiP PoP Seamless Switching Multiviewer w/ PIP | A-NeuVideo, Inc.
microware 4x2 HDMI Matrix Switch, 4 in 2 Out Matrix HDMI Video Switcher Splitter Media Streaming Device - microware : Flipkart.com
HDMI Matrix Switch 4x2, 4K HDMI Matrix Switcher Splitter 4 in 2 Out Box with EDID Extractor and IR Remote Control Support 4K HDR, HDMI 2.0b, HDCP 2.2, :B0814L36PV:ショップグリーンストア - 通販 -