4K 1x4 HDMI Splitter 1 in 4 Out, 4 Ports HDMI Splitter with Power Adapter, 4Kx2K@30Hz 3D HD Distributor for PS4 Xbox Fire Stick HDTV : Electronics
HDMI 4k Splitter, 1 In 4 Out, Share One HDMI source
HDMI 4K Switcher, 3 In 1 Out, One-Click Switch Input Devices To Share One HDMI
Waveshare Industrial Grade USB HUB, Extending 4x USB 2.0 Ports adopt MTT technology, allows stable and smooth 4x USB connections - AliExpress
HDMI 4K Switcher, 3 In 1 Out, One-Click Switch
HDMI 4K Switcher, 3 In 1 Out, One-Click Switch
HDMI 4k Splitter, 1 In 4 Out, Share One HDMI source
HDMI Splitter 1 in 4 Out 4K 60Hz 4:4:4, AVIDGRAM HDMI 4 Port Splitter with Copy, Downscaler, and Auto Mode for Four Identical Display Support 1080p 120Hz HDCP 2.2 HDR10 18Gbps
Waveshare Wiki
Waveshare HDMI Signal Extender, 1080P HD & Lossless Transmission, up to 50m - RobotShop
WaveShare HDMI 4k Splitter 1 In 4 Out Share One HDMI source - Eckstei, 22,95 €