WV-LINK Digital Optical Coax to Analog RCA Audio Converter with Fiber Cable Converts Coaxial or Optical Digital Audio Input to Analog Stereo Output Over RCA Such as an Amplifier Via Standard RCA Jacks Converts Coaxial or Toslink Digital Audio Signals to Analog L/R Audio.Supports Sampling Rate at 32, 44.1, 48 and 96 KHz Important Notice: Converter has Bit Buzzing When You had Connected The Cable with the devices.that means the device is Working, just use your remote to play the audio&music immediately,and then Buzzing will Disappear.(Some Devices Only!) 24-bit S/PDIF Incoming Bit Stream on Left and Right Channels Provides Electromagnetic-Noise-Free Transmission What You Get: WV-LINK 1 x Audio Adapter 1 x Fiber Cable 1 x Power Adapter 1 x3.5mm L/R 1 x Welcome Guide User Manual 18 Months Warranty and Friendly Customer Service