HopCentury 2-Way Audio Converter Adapter Bi-Directional Optical SPDIF Toslink / Coaxial Audio Switcher Signal Amplifier Splitter Supports two-way conversion: Coaxial to Toslink / Coaxial, or Toslink to Coaxial / Toslink. Supports amplification of S/PDIF audio to extends the transmission distance, through coaxial and/or Toslink cables. Supports digital SPDIF audio formats including LPCM2.0/DTS/Dolby Digital (AC-3). Input from either Coaxial or Toslink input port, and then transmit audio signal to both Coaxial and Toslink output ports simultaneously. Compact size and easy to install without any software or drivers. What You Get: 1 x Audio converter adapter, 1 x AC power adapter, 30-days money back & 1-year warranty, and 7 days a week friendly customer service