Amazon.com: HDMI Audio Extractor,eSynic Professional HDMI Audio Extractor 4K HDMI Optical Adapter HDMI Audio Splitter with Power Switch Supports Optiacl RCA and 3.5mm Audio Output for HDTV Blu-ray Player ect : Electronics
HDMI vs. Optical: Which Digital Audio Connection to Use? - CNET
Amazon.com: Tripp Lite USB-C to HDMI Fiber Active Optical Cable, 4K Video @ 60HZ (4:2:2), UHD, HDR, CL3 Rated, Black, 2.2 HDCP, 65 Feet / 20 Meters, 3-Year Warranty (U444F3-20M-H4K6) : Everything Else
Audioquest HDMI & Optical Cable Bundle – OnTech
Sonos HDMI to Optical Adapter - Compatible with Sonos Arc, Beam & Amp