Amazon.com: 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) : Electronics
Blustream SC11HD-V2 4k - 1080p down scaler
Amazon.com: 4K@60Hz/1080p@120Hz HDMI 2.0 Splitter 1 in 2 Out, Auto Downscaler with HDR10 &3D, 18Gbps Zero Latency, AV Access Gaming Splitter, Duplicate/Mirror Screens, HDCP 2.2, for Xbox, PS5 : Electronics
BLUSTREAM HDMI 4K to 1080p Downscaler from Alltrade