Built-in high performance audio decoding chip, support DTS/AC-3 Support SPDIF,for COAXIAL input Support convert SPDIF input to SPDIF output and for COAXIAL input to SPDIF output SPDIF, and 3.5mm stereo Simultaneous output Loud audio output 3.5mm stereo headphone port equipped with high-performance audio amplifier to drive headphones Support 96Khz/24bit sampling rate Ultra low power consumption Mini size, metal material, strong anti-interference This audio decoder could convert Optical/Coaxial DolbyAC-3/DTS/PCM digital audio signal input to 2.0 analog stereo audio output and optical 2.0 digital audio output. Using this product can solve the problem of tedious operation of repeatedly switching/setting the output audio format of the signal source. Therefore, it is widely used in public places such as families, schools, squares, concert , and cinemas. Support audio format:,AC-3,DTS,PCM Support sampling rate:44.1Khz-96KHZ/24bit Maximum working current:5V/150mA Working Temperature:-40-+85℃ Storage Temperature:-60-+120℃ Working Humidity:-10-90%RH(non-condensing) Storage Temperature:-5-95%RH(non-condensing) 32 Ω Headphone Power:28 MW :0.08% SNR:98.8db Frequency Response:20hz-20Khz Colour:Black Material:Aluminum Alloy Package Contents: 1pcs x 5.1 Audio Converter 1pcs x USB Power Cable(Due to different product batches, the appearance , which does not affect the use) 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.