HDMI to DVI (DVI-D) Audio Extractor Converter with 3.5mm Optical SPDIF Toslink + L/R Stereo Audio Adapter for PS3/4/Xbox/Roku/DVD Player/Laptop/Sky HD Box/HDTV/STB - Newegg.com
Monoprice Blackbird 4K Series 7.1 HDMI Audio Extractor - Monoprice.com
AY79 HDMI To HDMI Audio Converter Splitter 3.5mm Headphones SPDIF Stereo Adapter HD Audio Extractor Supports 4K x 2K 3D - Digital Zakka
2CH 4K 3D HDMI Audio Extractor HDMI to HDMI AC-3/DTS Decoder 3.5mm Headphone | eBay
Product - avedio links
Amazon.com: LiNKFOR Digital Audio Extractor Converter 4K HDMI to HDMI Audio 3.5MM Jack RCA Stereo with Power Adapter Headphone Amplifier Function Support Volume Control 3D Power Switch for HDTV Apple TV PS4 :