Simplecom CM423v2 HDMI Audio Extractor 4K HDMI to HDMI and Optical SPDIF + 3.5mm Stereo
Amazon.co.jp: Usee HDMI Audio Separator, 4Kx2K HDMI + Optical SPDIF Toslink + 3.5mm Stereo Audio Separator DAC HDMI Video Adapter for HDTV Xbox PS4 PS3 Blu-ray DVD Player and More : Electronics
Microware HDMI to HDMI with Optical Toslink SPDIF with 3.5 mm AUX Stereo Audio Out, HDMI Extractor Splitter Adapter Support 4K at 30Hz 1080P Full HD 3D : Amazon.in: Electronics
KanexPro Component with Toslink / SPDIF to HDMI Converter