Overview TheHDMI-compatible audio return and digital-to-analog audio converter can output the TV's sound to the optical fiber coaxial 35mm coaxial headphone can output sound at the same time through the -compatible ARC interface It also supports conversion of digital audio fiber or coaxial signals to analog stereo signalsFeatures1 -compatible ARC You need to use a standard -compatible cable to output the TV's sound to the optical fiber coaxial R L 35 mm headphone through the -compatible ARC interface can output sound at the same time2 Digital to Analog Audio Converter You can also use digital audio coaxial and optical ports as signal source input to convert to analog audio R L 35mm output3 Support Remote Volume ControlWhen using the TV's ARC function you can use the TV's remote control to control the volume Only supports RCA left right and 35mm output interface turn on the function of the TVSpecificationsColour BlackMaterial Aluminum AlloyPower Supply Interface -USBMaximum operating current 100mAWorking environment temperature -10~55Storage temperature -20~60Operating Humidity 10~90%RHnon-condensingStorage humidity 5~95%RH non-condensingCase size 90 x 73 x 21 mmWeight 92g Note1 Make that the TV has an -compatible "ARC" interface and only supports with -compatible ARC function2 set the audio output to PCM or LPCM using -compatible ARCWhen the output audio is 35mm AUX stereo or L R RCA you need to set the output of the audio source to LPCM PCM 3 turn on the function of the TV so that you can control the volume Only supports RCAL R and 35mm output interfaces4 usestandard 19 1 -compatible cable to support ARC function5 Connect different audio interface inputs select the corresponding input switchPackage Contents1 x ARC Audio Extractor1 x USB Cable1 x English manualOnly the above package content other products are not includedNote 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