ITEM NAME:Digital Optical Toslink SPDIF Coax to Analog RCA Audio Converter Adapter wi J1O5 Digital Optical Toslink SPDIF Coax to Analog RCA Audio Converter Adapter wi J1O5 This Digital to Analog Audio Converter is designed for either home or professional audio switching. It converts Coaxial or Toslink digital audio signals to analog L/R audio . This Converter has many features that enable it to perform in a superior manner. Among those Supports sampling rate at 32, 44.1, 48 and 96 KHz. 24-bit S/PDIF incoming bit stream on left and right channels Provides electromagnetic-noise-free transmission. Easy to install and simple to operate. Material: metal color: black Note: 1. The Reason of cancel the external power adapter and use USB.It converts Coaxial or Toslink digital audio signals to analog L/R audio. Input Audio: Coaxial or Toslink digital audio. Input audio connector: Toslink,1XRCA(Coaxial). bad waves. So the DAC( Digital to Analog audio converter) will works better, And decode will more stable.