Features
Convert DTS/AC3 source digital audio to analog 5.1audio or stereo audio output
After digital processing chip handle, it can convert the analog stereo signals (L/R) to analog 5.1 channel audio signals
Multi-channel audio input (SPDI, Coaxial, stereo) 2 x SPDI, 1xCoaxial, 1x stereo
Analog 5.1-channel or Stereo output
USB 5V Out put
Suitable for set-up boxes, HD players, Blu-ray DVD, PS2, PS3, XBOX360
Products are delicate, small and convenient, plug and play and have strong mobility 
General Specs  
Signal to Noise 120db
Degree of Separation 85db
Frequency Response (20Hz ~ 20 KHz) +/- 0.5db 
Max Output Volt  2.2V 
Power Supply  DC/5V 1A (outlay 110V~240V broadband convert DC9V Power)
Dimensions 105 x 75x 25 mm