[4K HD to HD Audio Extractor] HD to the optical audio adapter is designed to extract the digital audio embedded in the HDsource and output it via optical SPDIF or Coaxial or 3.5mm stereo audio out. Then you be to send the split audio to an amplifier, soundbar, or other sound system. [4K High Video Resolution] HD audio converter support resolution up to 4K@30Hz, HD 1.4b, HDCP 1.4, Full HD 1080P, 3D, and 36-bit deep color. (Note: This HD sound extractor does not support ARC) [Audio Extract formats] 3.5mm audio output supports 2.0CH PCM LPCM stereo audio. Optical Toslink SPDIF and Coaxial Output support 2.0CH PCM, 5.1CH Digital, TrueHD, DTS-HD, and DTS [Wide Compatible] HD to HD plus audio converter compatible with HD source devices. HD input: Blu-ray player, DVD, cable/satellite box, , , for , for , PC, laptop, , , etc. HD Output: HDTV, Monitor, Projector. Audio output: Speaker, amplifier, soundbar, or other sound systems Product name: -compatible audio converter Input: 1*-compatible Output: 1*-compatible, 1x3.5MM, 1*Coaxial, 1*Optical fiber -compatible version: -compatible 1.4 Resolution: 4K 30Hz Input cable length: less than equal 15m AWG26 -compatible standard cable Output cable length: less than equal 20m AWG26 -compatible standard cable Power adapter: 5V/1A The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:plastic Package Contents: 1 * -compatible Audio Extractor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.