Amazon.com: HDMI ARC Adapter, Tendak ARC Audio Extractor with Digital Optical TOSLINK SPDIF/Coaxial and Analog 3.5mm L/R Stereo Audio Converter for HDTV Soundbar Speaker Amplifier : Electronics
HDMI ARC Adapter to RCA Audio Converter Digital to Analog Stereo DAC Coaxial Optical ARC Input to Coaxial +Optical +L/R+3.5mm Jack Output for TV: Amazon.com: Industrial & Scientific
How to Use HDMI ARC for Audio - YouTube
HDMI-compatible ARC adapter converter(HDMI-compatible Audio return channel)3D 3D CEC compliant+Spdif audio out - AliExpress