HDMI to HDMI + Optical Audio Extractor for Fire TV Stick, 4K@30Hz HDMI to Optical 5.1 DTS/Dolby Sound Converter [No ARC/eARC], Adapter Dongle Designed for Firestick 4K to Connect Soundbar Features: 1. One HDMI input convert to one HDMI + SPDIF output. 2. Audio support: SPDIF Audio Output. 3. Input Resolution: 2160p@30Hz/1080p@50/60Hz/1080i/720p/576i/480p/480i. 4. LED indication: When source of sink is working, LED relative to is light. 5. No Signal Loss. 6. Support signal retiming 7. Support lossless transmission. 8. Compact design and easy to install. Specification: HDMI resolution : 2160p@30Hz/1080p@50/60Hz/1080i/720p/576i/480p/480i Support video color format : 24bit deep color 30bit,36bit Audio output : SPDIF Max bandwidth : 225MHz Max baud rate : 6.75Gbps Input/Output TMDS signal : 0.5~1.5Volts p-p(TTL) Input/Output DDC signal : 5Volts p-p(TTL) Max working current : 500mA Power adapter format : Input:AC(50/60Hz)100V-240V; Output : DC5V/1A Operating Temperature range : (-15 to +55℃) Operating Humidity Range : 5 to 90%RH(No Condensation) Note: 1.If your source device is 4K@60hz(HDMI 2.0 and HDCP2.2),please set up the resolution to 4k@30hz to use this HDMI audio extractor. How to set the resolution to fit our HDMI audio extractor: a).Connect your "4k@60hz HDMI 2.0 input device" directly to the TV b).Then go to "setting-picture-resolution(choose "Auto")-then go to "HDMI Color Fomat"(choose "Auto") 2.Can NOT be used with other converter, such as HDMI to DVI Converter. 3.Do not use the TV as an HDMI input device because our extractor does not support the HDMI ARC function. 4.If the fiber optic interface connects successfully but the device still has no sound, please check whether the output device supports 5.1ch. If it does not, adjust the audio format of the input source device to PCM. Package Contents: 1 x HDMI TO HDMI+Optical Audio Extractor 1 x Optical Cable 1 x USB Power Cable 1 x User Manual