aoeyoo AY42 Premium 5.1 Audio Rush Digital Surround Sound Decoder Converter - Optical Spdif/ Coaxial DTS to 5.1ch Analog Audio (6rca Output) 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), 2 x SPDIF input, 1 x Coaxial Input, 1 x Stereo Analog 5.1-channel or Stereo output USB 5V Output