HDMI Splitter 1 in 2 Out, 4K HDMI Splitter for Dual Monitors Duplicate/Mirror Only, 1x2 HDMI Splitter 1 to 2 Amplifier for Full HD 1080P 3D with HDMI Cable (1 Source onto 2 Displays) - Newegg.com
HDMI Splitter 1 in 4 Out - 4K 60Hz 1x4 HDMI Splitter, SOOMFON HDMI Splitter for Multiple Monitors Duplicate/Mirror Only, Supports UHD 3D Player, PS4, PS5, Xbox, Switch, HDTV - Newegg.com