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
Tripp Lite HDMI Splitter 2-Port 4K @60Hz HDMI 2.0 4:4:4 HDR USB Powered TAA - B118-002-HDR-V2 - -