This HDMI 2.0 audio extractor splitter is a high-performance device that extracts audio signals from HDMI inputs and converts them to various audio formats, including optical, SPDIF, and 3.5mm analog audio. It supports 4K resolution at 60Hz and is compatible with HDMI 2.0b and HDCP 2.2. The device can extract audio from HDMI sources and output it to external devices such as soundbars, home theaters, or headphones. It also supports Dolby Digital and DTS audio formats. The extractor is easy to use and comes with a user manual for simple setup and operation.