HDMI to 3RCA AV CVBS Composite & S-Video R/L Audio Converter Adapter Downscaler | eBay
Vanco HD4KSC 4K HDMI Down Scaler
Comprehensive HDMI to HDMI 4K Up/Down Scaler CSC-4KHD B&H Photo
1x2 HDMI Splitter 1 in 2 out with Downscaler, 3D, upto 4k@60Hz (UHDS-102C) | OREI
PURE PT-SPHD12D: 4K HDMI splitter 1x2, downscaler, EDID at reichelt elektronik
480i Downscalers Tested | RetroRGB
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