Amazon.com: U9 ViewHD 1 in 2 out HDMI 2.0 18Gbps 1x2 Splitter with automatic 4K to 1080P Downscaler / 4K@60Hz / HDR and Dolby Vision / HDCP 2.2 / 1 Input to 2 Outputs / EDID Control | Model: UHD1X2S : Electronics
AV Access 4K 4x4 HDMI Matrix Switch with Downscaler, IR Remote
4k Hdmi Converter Up/down Scaler 720p 1080p For Video Wall Combine With 1 Splitter And 4 Converters Support Five Splicing Modes - Audio & Video Cables - AliExpress
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