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
BG-UHD-SC1X2 1X2 4K UHD HDMI Splitter/Scaler with Analog Audio Embedder & Digital Audio De-embedder
Atlona AT-HD570 HDMI Audio De-Embedder with 3D Support | iElectronics.com