Optical SPDIF Toslink/Coaxial Digital to Analog Audio Decoder Converter with PCM, 5.1 Dolby Digital & DTS Support Converts Dolby Digital, DTS, PCM digital audio (up to 5.1CH) to 2CH analog stereo audio Supports digital audio input: Optical SPDIF (Toslink) or Coaxial Supports simultaneous RCA L/R and 3.5mm Headphone output Support all digital SPDIF audio formats including PCM 32KHz/44.1KHz/48KHz/96KHz, Dolby Digital 5.1 and DTS; 24bit spdif incoming bit stream on left and right channels Plug and play. Supports US note : 1.This item does not support DTS 7.1 and DOLBY 7.1.2.Please switch the right channel which you need via press the key "SPDIF/COAXIAL" in the side of the product. 3.You need to push the cable in with a little more force than you're used to. You should hear it "click" in when you've properly made the connection. standard power adapter