This audio converter can extract the audio signal embedded in sources and convert it to 35 mm analog audio output and SPDIF output at the same time.The SPDIF out supports both 2 audio and 51 audio including Dolby Digital 51 and DTS 51 .The out supports 71 audio including Dolby Digital 71 and DTS 71 .Ultra long distance transmission up to 40 meters (input + output), no signal loss.99% do not need external supply, plug and play, more convenient, more environmentally friendly.Input ports: 1 x , 1 x -USB port, 3 x EDID Audio (pass, 2 , 51 )Output ports: 1 x , 1 x SPDIF (optical), 1 x 35 mm jack. resolutions: 4K x 2K, 24/50/60/1080P/1080i/720p/576p/576i/480p/480iSupported color formats: 24 bit/deep color 30 bit, 36 bitMax bandwidth: 225 MHzMax baud rate: 675 GbpsMax working current: 190 mAAudio and video can be converted from the outputPass: support 71 channel output, device read the OUT audio signal directly2CH: 21 stereo channel output51CH: optical fiber 51 digital surround audio (DTS, Dolby, AC3) and other outputs;Support 24bit / 192Khz audio sampling rate Name: audio extractorOutputs: RCAOutputs: 35 mmPCM Word Length: 16-bitInputs: Inputs: USB Type-BPCM Word Length: 24-bitModel Number: HD360Input Format: DTS/AC3/5./71D/A Converter: EPcolour:BlackMaterial:metalsize:51 x 56 x 22mmPackage Contents:1 x audio converter1 x Optical audio Cable1 x 35mm to RAC audio Cable1 x -USB cableOnly the above package content, other products are not included.Note: Light 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.