30M True 4K HDMI Active Optical Cable (True 4K@30m) - VE7833, ATEN Video Extenders | ATEN Corporate Headquarters
HDMI ARC vs. Optical – Which Is better?
Oenbopo HDMI Audio Extractor HDMI to HDMI + Optical TOSLINK SPDIF + Analog RCA L/R Jack Stereo Audio Video Splitter Converter Support 4K Full HD1080p - Walmart.com
Amazon.com: Tendak 4K x 2K HDMI to HDMI and Optical TOSLINK SPDIF + 3.5mm Stereo Audio Extractor Converter HDMI Audio Splitter Adapter(HDMI Input, HDMI + Digital/Analog Audio Output),AV-096-BK : Electronics
Sonos Optical Audio Adapter for Sonos Beam and Arc OPADPWW1BLK
Product - avedio links
HDMI vs Optical Cables: Which one to Consider?
Hdmi To Optical Converter for sale | eBay
1080P HD Dolby DTS PCM 5.1 7.1 To Optical Digital Audio Converter Decoder | eBay
Premium 4K 2K HDMI DVI Audio Encoder + Analog/Digital Audio To HDMI Converter
HDMI vs. Optical: Which Connection You Should Use
Amazon.com: VPFET HDMI Audio Extractor 4K HDMI to Optical 3.5mm AUX Audio Adapter Splitter Converter Supports HDCP Dolby Digital DTS 5.1 PCM : Electronics
Can You Use HDMI and Optical Audio at the Same Time? - Pointer Clicker
100M True 4K HDMI Active Optical Cable (True 4K@100m) - VE7835, ATEN Video Extenders | ATEN Corporate Headquarters
Amazon.com: eSynic 4K HDMI Audio Extractor HDMI to HDMI + Optical TOSLINK SPDIF + Analog RCA L/R +3.5mm Jack Stereo Audio Video Splitter Converter with Power ON/Off Switch Support 4K Full HD1080p
HDMI vs. Optical: Which Digital Audio Connection to Use? - The Tech Edvocate
Amazon.com: ROOFULL 4Kx2K HDMI to HDMI and Audio (3.5mm Stereo or SPDIF Optical) Extractor Splitter Converter Support Apple TV, Fire TV, Blu-ray Players : Electronics