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
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PURE PT-SPHD12D: 4K HDMI splitter 1x2, downscaler, EDID at reichelt elektronik
BLUSTREAM HDMI 4K to 1080p Downscaler from Alltrade