2021 HDMI Audio Extractor 4K HDMI SPDIF Converter 5.1 HDMI to HDMI to RCA Splitter Optic TOSLINK Switch Digital 7.1 HDMI Adapter _ - AliExpress Mobile
HDMI Splitter Audio Extractor, 4k@60Hz 1 in 2 out with HDMI Optical Toslink SPDIF + HDMI 7.1CH + 3.5mm Audio Out for PS4 Xbox One DVD Blu-ray Player HD TV Projector Audio/Video
Amazon.com: HDMI LPCM 7.1 Or PCM 2CH to Analog Surround Sound Audio Decoder- 4K Version : Electronics