Amazon.com: HDMI Audio Embedder Inserter Digital Analog Audio + DVI to HDMI Support TOSLINK Optical 3.5mm Jack AUX Audio Input 4K60Hz 18Gbps HDR CEC HDCP2.2 : Electronics
True 4K HDMI Repeater with Audio Embedder and De-Embedder - VC882, ATEN Video Converters | ATEN Corporate Headquarters
2 Way HDMI Audio Extractor & Embedder - Lindy Electronics
True 4K HDMI Repeater with Audio Embedder and De-Embedder - VC882, ATEN Video Converters | ATEN Corporate Headquarters