Amazon.com: HDMI Audio Extractor,4K HDMI to HDMI with Audio 3.5mm AUX Stereo and L/R RCA Audio Out,HDMI Audio Converter Adapter Splitter Support 4K 1080P 3D Compatable for PS3 Xbox Fire Stick. :
Amazon.com: Tensun HDMI Audio Extractor 4K 60HZ 7.1 CH HDMI 2.0 Adapter Splitter with 7.1 Atoms + Optical Toslink SPDIF +3.5mm Stereo Audio Supports 18Gbps HDR Compatible for Xbox X/S/PS5/PS4/PC/Blu-ray Player :
HD-ADE - HDMI Audio Extractor with HDMI Pass Through Port
LiNKFOR 3 Ports HDMI Audio Extractor 4K 3D HDMI with 3.5mm Jack – LiNKFOR Store
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Product - avedio links
HDMI Audio Extractor,4K HDMI to HDMI with Audio 3.5mm AUX Stereo and L/R RCA Audio Out,HDMI Audio Converter Adapter Splitter Support 4K 1080P 3D Compatable for PS3 Xbox Fire Stick. - Walmart.com
Sescom HDMI Audio Inserter SES-AUDIO-N-HDMI B&H Photo Video
IDA HDMI-AI4K: HDMI 4K2K Audio Inserter Converter at reichelt elektronik
Neoteck 4K x 2K HDMI to HDMI + Audio(SPDIF + R/L+3.5mm)output Multi-Functional HD Audio Extractor Converter The Synchronization of Audio Signal Separation - Walmart.com
What Is an HDMI Audio Extractor? - The Home Theater DIY
Does an HDMI cable transmit sound or just picture? - Quora