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
HDMI-4K De-embedder
18Gbps HDMI Digital/Analog Audio Embedder 4K@60Hz 4:4:4 - J-Tech Digital
Black Box AEMEX-HDMI-R2 Audio Embedder/De-Embedder