This blackbird; 4K hdmi® audio extractor extracts the audio signals from HDMI video streams. It supports analog stereo audio, as well as high-definition multichannel audio streams over the S/PD if digital optical Audio output. It supports video resolutions up to 4K@60Hz 4: 4: 4, 10-bit high dynamic range (HDR) pass-through, and audio sampling rates up to 192Khz. It is fully compliant with the HDMI 2.0B and HDCP 2.2 standards and provides up to 18Gbps video bandwidth. Features: extracts audio from an hdmi® video signal supports stereo analog and multichannel digital optical S/PD if audio supports video resolutions up to 4K@60Hz 4: 4: 4 Supports 10-bits high dynamic range (HDR) pass-through supports CEC bypass supports Audio sampling rates up to 192Khz provides up to 18Gbps video bandwidth support files: user S manual (Jul 18, 2017) blackbird™ is a trademark of Monoprice Inc. Hdmi®, the HDMI logo, and high-definition multimedia interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. Blu-ray disc™ and blu-ray™ are trademarks of the Blu-ray disc Association. &Nbsp;