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
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