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/480i Supported color formats: 24 bit/deep color 30 bit, 36 bit Max bandwidth: 225 MHz Max baud rate: 675 Gbps Max working current: 190 mA Audio and video can be converted from the output Pass: support 71 channel output, device read the OUT audio signal directly 2CH: 21 stereo channel output 51CH: optical fiber 51 digital surround audio (DTS, Dolby, AC3) and other outputs;Support 24bit / 192Khz audio sampling rate Name: audio extractor Outputs: RCA Outputs: 35 mm PCM Word Length: 16-bit Inputs: Inputs: USB Type-B PCM Word Length: 24-bit Model Number: HD360 Input Format: DTS/AC3/5./71 D/A Converter: EP colour:Black Material:metal size:51 x 56 x 22mm Package Contents: 1 x audio converter 1 x Optical audio Cable 1 x 35mm to RAC audio Cable 1 x -USB cable Only 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.