Comprehensive's HDMI 18Gbps Audio Extractor removes audio signals from any HDMI compliant source to digital optical or analog stereo L/R audio outputs. Both input and output support HDMI video resolution up to 4K2K@50/60Hz (YUV444). It supports 10-bit HDR (High Dynamic Range) pass through and HDMI high resolution digital audio formats bypass, LPCM 2CH, Dolby® True HD, Dolby® Digital Plus, Dolby® Atmos and DTS-HD Master Audio, audio sampling rate up to 192 kHz. HDCP 2.2 and CEC bypass are also supported. This device is perfect for de-embedding audio from devices such as, Apple TV (4th gen), Google Chromecast, Xbox One, PS4, and Sonos Speaker systems. Unit comes with a 2 year hassle free warranty.