Converts DTS/AC3/PCM digital audio to analog 5.1 channel or stereo audioSimulates stereo audio to analog 5.1 channel audioAnalog 5.1-channel (3x3.5mm) or Stereo output (FL/FR); 6 RCA version also availablePlug and play. Works with different amplifier and speakers to get different sound effects. Great for many home entertainment devices with optical or coaxial digital output such as HDTV, Apple TV, set-top boxes, DVD/Blu-ray players, PS2, PS3, XBOX 360 and more. 5.1 Digital Audio Decoder uses 24-bit audio DSP, 96 KHz digital receivers, and 192 KHz/24bit ADC and DAC. Supports Dolby Digital AC-3 Dolby Pro Logic, DTS, PCM and other digital audio formats decoding. Specification: Input Port: 2 X Optical,1 X Coaxial, 1 X Audio, 1 x DC/5V Power Port , 1 x Stereo 3.5mmOutput port: 1 X CEN/SW, 1 X FL/FR, 1 X SL/SR, 1 X USB/5V Power OUT Decode format: Dolby Digital EX, DTS-ES, Dolby Pro Logic II, DTS, AC3, Dolby Digital Signal to Noise: 120db Degree of Separation: 85db Stereo separate degree: 80db(1KHZ) Noise output frequency: 200uV External Power Supply: 5V DC 1A Maximum power: 4W Interfaces: A.Optical input: for XBOX360, PS3, STB, DVD player, Blu-ray/DVD players, HD player B. Coaxial input: for PC sound card, HD players, set-top boxes, DVD player, etc. C. AUX input: for computer, MP3 player, cellphone, etc D. Three output channels: connect to home theater speaker system or a powered amplifier E. USB output: Supply 5V power to 5.1 Channel Headphone. Plug Type: US Plug,it applies to Canada, India, Japan, Mexico, Thailand, the United States, the Philippines and so on.colour: blackMaterial: Metalsize: 108*74*26mmPackage Contents: 1 x Digital Audio Decoder 1 x Optical Fiber Cable 1 x 100-240V input/5V output US Power adapter 1 x User ManualOnly the above package content, other products are not included.Note: Light shooting 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.