HDMI audio extractor. Upgraded version of ref: 0315. The HDMI signal passes through de Device and it extracts audio to a 5.1 optical output and 2.1 stereo output. Features: - Resolutions up to 4K@60Hz YUV 4:4:4 - HDCP 2.2 - CEC Pass-through - Support audio formats DTS-HD Master Audio / Dolby -True HD. - Power supply 5V DC Includes power supply.