Feature:1. HDMI to HDMI audio converter, allows 2 HDMI sources to be connected to 1 HDMI display, and adds additional 3.5mm audio and spdif audio output ports.2. Extract digital HDMI audio signal from 2 HDMI signal input to optical output and 3.5mm audio output.3. Support HDMI switch 2 in 1 output. Support HDMI4k 30hz signal.4. Two HDMI signal inputs can be freely switched to a display device that supports HDMI signal input.5. Any high-definition signal source can achieve audio separation and independent output through optical fiber or left and right channels.6. Support for HDR. Support 4K/30Hz resolution.7. Video format supports 8bit YcbCR 4:4:4 with the highest resolution 4K/30Hz.8. Support function, output TV return audio through optical fiber port.9. It can realize audio synchronization and separate output.10. SPDIF digital audio output supports for Dolby digital (AC3), and DTS supports 5 LED indicator lights. When the signal source or signal terminal is in working condition, the corresponding indicator light will turn on.Specification:Condition: 100% brand newItem type: HDMI Audio ExtractorMaterial: metalColor: As picture shownWeight: Approx. 137g Input: HDMI x 2Output: HDMI x 1, Spdif x1, 3.5mm jack x1Resolution: Support up to 4K 30Hz, backward compatibleHDCP: HDCP1.4, backward compatible, does not support hdcp2.2Compliant with HDMI1.4, backward compatibleSupport color depth: 24/30/36/48 bitBandwidth frequency: 25MHz-225MHzSupport audio format: DTS-high definitio/for Dolby-True high definition/LPCM7.1/DTS/Dolby-AC3/DSDManual control mode, convenient operation, energy saving and environmental protectionPower supply: DC5VMaximum working current: 800mAOperating temperature range: -15 to 55 Size: Approx. 90x47x19mm/3.5x1.9x0.7in.Package List:1 x Audio Extractor1 x Power supply cable1 x Instruction