-DTS AC3 5.1 Digital Audio Decoder: Uses 24-bit audio DSP, 96 KHz digital receivers, and 192 KHz/24bit ADC and DAC.-Support Dolby Digital AC-3 Dolby Pro Logic, DTS, PCM and other digital audio format source decode.-A variety of sound field and the replay results of two listening modes, 5.1 analog audio output, will automatically 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, PS2, PS3, XBOX360 etcProduct Feature:-Convert DTS/AC3 source digital audio to analog 5.1 audio or stereo audio output-The analog stereo (L / R) signals after digital processing chip handle convert it to analog 5.1 channel output-Multi-channel audio input (SPDIF , Coaxial, Stereo)-Input: 2 x SPDIF input, 1 x Coaxial Input,1 x Stereo-Output: Analog 5.1-channel or Stereo output-USB 5V Output-Dimension:105mm*75mm*25mmTechnical Parameter:-Signal to Noise(SNR):120dB-stereo separate degree:80db(1KHZ)-Frequency Response: (20hZ~20KHz) /-0.5dB-Analog Output voltage: 2.2V-Power supply: DC5V(AC100~240V input DC5V output)(US/EU/AU/UK plug optional)Package Included:1 x 5.1 Digital Audio Decoder1 x DC5V Power supply 1 x Optical Toslink Cable1 x User's Manual