Amazon.com: HDMI Switch 4K@60Hz, NerdEthos 4 Port HDMI 2.0 Switcher Selector 4 in 1 Out HDMI Switch with IR Remote Control, Supports 4K HDR10 HDCP 2.2 3D Dolby DST, for PS4 Xbox
j5create | USB-C to 4-Port HDMI Multi-Monitor Adapter
SpeaKa Professional 4 ports HDMI switch + PiP, + remote control 3840 x 2160 p | Conrad.com
Amazon.com: HDMI Splitter 1 in 4 Out 4K, HBAVLINK 4 Port HDMI Splitter Powered Video Splitter 4 Outputs w/HDMI Cord+ AC Adapter, Duplicate/Mirror Screens for Fire Stick/Roku/DirecTV/Cable Box/Security Cameras : Electronics
HDMI splitter, 4 ports (DSP-4PH4-02)
4 Ports HDMI Splitter, EDID, HDCP, VSM-104
4-Port HDMI® Distribution Amplifier Splitter - 4K 60Hz | HDMI Selectors, Splitters, & Switches | HDMI | Audio Video
j5create | USB-C to 4-Port HDMI Multi-Monitor Adapter