Product introduction: The digital audio decoder support Dolby Digital AC-3 Dolby Pro Logic, DTS, PCM and other digital audio format source decode, a variety of sound field and the results of two listening modes, 5.1 analog audio output, will auto work with different amplifier and speakers to get different sound effects, easy to connect many entertainment devices which with optical and coaxial digital signal and analog output signals (such as: set-top boxes, HD players, Blu-ray DVD, XBOX360). Product Features: 1. Convert the Dolby/DTS/AC-3 digital signal into 5.1 analog output. 2. Convert the stereo(R/L) audio signal data into 5.1 analog output.3. Support multi input interface include two SPDIF input, one coaxial input and one sterero input. Standard Power Input:5V Power Consumption:5W Audio Input: SPDIF * 2 Coaxial * 1 3.5mm Audio L/R Audio Output:5.1 Channel (FL/FR/SL//CEN/SW) Format Supported:DTS-HD/Dolby-TrueHD/LPCM 2/5.1/7.1CH/DTS/Dolby-AC3/DSD SNR:120db Channel Seperation:85db Frequency Response:(20Hz - 20KHz)0.5db THD:0.1% Max Output Voltage:2.2V ESD Protection: 8kV (air-gap discharge) 4kV (contact discharge) Operating Temperature: 0C - 60C Storage Temperature: -20C - 80C Humidity:20% ~ 90% RH(Non-condensing) Colour: Black Material: plastic + metal Package Contents: 1 x Digital Audio Decoder 1 x Charging Cable 1 x Optical Cable 1 x User Manual 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.