Av To Hdmi Upscaler 4k Composite Rca Av To Hdmi 4k Scaler With S-video Composite Video Mixed Av To Hdmi Converter Scaler Inputs - Audio & Video Cables - AliExpress
Broadata 18G/4K 1x1 HDMI Scaler w/Aud
DSC HD-HD 4K PLUS A - Scalers & Signal Processors | Extron
Amazon.com: OREI 4K HDMI Scaler, Up and Down Function Convert Resolutions at 720p, 1080p, 4K 30Hz, 4K 60Hz, with Optical Analog Audio Extractor, RS-232 Support : Everything Else
StarTech.com 4-Port HDMI Splitter, 4K 60Hz HDMI 2.0 Video, 1 In 4 Out HDMI Splitter, 4K HDMI Splitter w/Built-in Scaler, 3.5mm/Optical Audio Port, Durable Metal Housing, HDR/HDCP | www.shi.com