Panlong Coaxial to Optical (Toslink) or Optical to Coaxial Bi-Directional SPDIF Audio Converter with Signal Amplifier Supports two-way conversion of two SPDIF audio formats: Coaxial (Orange RCA Type) to Optical (To slink), or Optical to Coaxial. Supports signal input from either Coaxial or To slink input, and then send audio signal to both Coaxial and To slink outputs simultaneously. Supports amplification of input SPDIF audio to extend the transmission distance, through coaxial and/or To slink cables. Supports digital SPDIF audio formats including LPCM2.0/DTS/Dolby Digital (AC-3). Compact size and plug and play, easy to use. One-year warranty by Ace Deal.