Avedio Links HDMI Audio Extractor ConverterCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* 4K HDMI to HDMI Audio Extractor: avedio links HDMI to optical audio adapter is designed to extract the digital audio embedded in HDMI source and output it via optical SPDIF or RCA L/R stereo audio out. * Original video/audio signal is also passed through to HDMI output. * Then you will be able to send the split audio to an amplifier, AV receiver, soundbar or other sound systems.* 4K High Video Resolution: HDMI audio converter support resolution up to 4K (30hz), HDMI 1.4b, HDCP 1.4, Full HD 1080P, 3D,and 36-bit deep color.* Support audio format: DTS-HD/Dobly-trueHD/LPCM7.1/DTS/Dobly-AC3/DSD. UNKRP23383