5.1 Audio Gear Digital to 5.1 CH Analog Surround Sound Rush Decoder Converter HD Player with USB Input Port Support AC3/DTS Dolby Digital to analog decoderConverts DTS/AC3/PCM digital audio to analog 5.1 channel or stereo audio. Audio formatsSupports Dolby Digital AC-3 Dolby Pro Logic, DTS, PCM and other digital audio format source decode. FeatureSupports auto work with different amplifier and speakers to get different sound effects. InterfacesAnalog 5.1-channel or Stereo Output, USB 5V Output. Wide rage of applicationEasy to connect to many entertainment devices which is with optical and coaxial digital signal and analog output signals (such as: set-top boxes, HD players, Blu-ray DVD, XBOX360).