Features: 100% Brand new and high quality! Convert your analog stereo audio signal from R/L input to Coaxial outputs simultaneously This item is especially designed for either home or professional audio switching. Inputs: Left and Right (Red/White) RCA Stereo Analog Connections Outputs: S/PDIF Digital Coaxial RCA and/or Optical Toslink Connections The output digital audio signal is 2-channel uncompressed LPCM (Linear Pulse Code Modulation) with sampling rate at 48 Khz Easy to Install Compact Size Specifications: Input Audio: Stereo R/L Output Audio: LPCM Input audio connector: 2xRCA(R/L) Output audio connector: Toslink 1xRCA(Coaxial) External Power Supply: 5V DC 1A Power consumption: 0.5 watts(max) AC Power Adapter: US Standard Material: Alloy Size: approx. 51 x 41 x 25mm(L-W-H) Color: Black Net Weight: approx. 140g Package includes: 1 x Analog to Digital Audio Converter 1 x Power Supply Adapter(US Plug)