Ordered and received a ThenAudio SHARC EARC HDMI 2.1 Audio Converter Processor. Happy to confirm it works for taking audio return channel (ARC/ eARC) from TV and let's you input it into any
HDMI ARC and HDMI eARC: everything you need to know | What Hi-Fi?
HDMI (EARC/ARC) To Digital Audio Converter, DTS@5.1 (DA41)