OREI 4K 1 in 2 Out HDMI Splitter 4:4:4 8-bit - HDMI 2.0, HDCP 2.2, 18 Gbps, 4K @ 60Hz HDMI Duplicator/Distributor UltaHD High Resolution Down Scaler 1x2 (UHDS-102C) - Walmart.com
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
2-Port HDMI Splitter, 4K, 30Hz, HDCP 1.3 | Tripp Lite