Supports 2-way conversion-coaxial to TOSLINK(R) or TOSLINK(R) to coaxial; Supports LPCM 2.0/DTS/Dolby-AC3 audio formats; Supports amplification of SPDIF audio & extends the transferring distance, through coaxial or TOSLINK(R) cables; Selects 1 input from coaxial or TOSLINK(R) input ports & sends SPDIF audio signal to both coaxial & TOSLINK(R) output ports simultaneously; Black;