Amazon.com: OREI HDMI Splitter 1 in 2 Out - 1x2 HDMI Display Duplicate/Mirror - Powered Splitter Full HD 1080P, 4K @ 30Hz (One Input To Two Outputs) - USB Cable Included -
Amazon.com: avedio links 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 5ft HDMI
VHD-1X2MN3D | U9LTD
Kanex SP-1X2SL18G Ultraslim 4K HDMI 1x2 Splitter with 4:4:4 Color Space and 18G, Single Splitter, HDCP 2.2 Compliant, Black