Amazon.com: Expert Connect | HDMI Audio Extractor | 4K/2K@60Hz, HDMI 2.0, HDCP 2.2 | Coaxial/Optical (SPDIF/Toslink) / 3.5mm Stereo Jack | Splits HDMI Input to HDMI Video + Digital Audio/Analog Audio Output : Electronics
J-Tech Digital - HDMI Audio Extractor 1080p (JTDAT5CH)
Amazon.com: 192KHz Multi Function Audio Converter, Tohilkel HDMI ARC or Toslink (Optical,SPDIF) or Coaxial to 3.5 mm Jack Stereo R/L Toslink (Optical,SPDIF) Coaxial, Support Multi Ports Output Simultaneously : Electronics
DVI & S/PDIF Digital Coax/Optical Toslink Audio to HDMI Converter
Product - avedio links
HDMI ARC Audio Extractor Digital DAC to RCA Coax SPDIF 3.5mm Converter Adapter | eBay