Hdmi audio extractor : hdmi audio extractor inputs one hdmi source and outputs to one hdmi display and 3.5mm stereo audio to realize the synchronization of audio signal separation.transmission of lossless audio and video to meet daily needs.• 4k hd resolution : 4k hdmi audio extractor support 4k*2k/ 3d/1080p/1080i/720p.hdmi 1.4 hdcp 1.4. support video color format:24bit/deep color 30bit.audio format:lpcm 2.0(not support dobly).max bandwidth of 10.8gbps/340mhz.using awg26 hdmi standard cable, the longest input and output can reach 32.8ft respectively. suit for blue-ray/dvd,fire tv, apple tv, ps3/4, xbox, pc/laptop,hd camera.• connect speakers : hdmi to audio converter supports 3.5mm audio independent output. so your ps3/4 or tv set-top box can also be connected to 2.0 speakers to easily solve the sound problem, allowing you to enjoy