Item Type: Digital Audio Converter_x000D_ Material: ABS_x000D_ Colour: Black_x000D_ Function: Digital Audio Conversion_x000D_ Scope of Application: DVD, TV, etc1High Quality Material: The audio converter is made of ABS high quality material, which is sturdy and durable to ensure a long service life. 2Signal Conversion: This converter can convert RCA coaxial (S, PDIF) audio signals into digital for Toslink optical signals. 3Multifunction: Support all S, PDIF digital audio transmission of PCM, LPCM, Dolby AC?3, Dolby 5.1 and compressed DTS sound. 4Signal Integrity: The active circuit of the coaxial optical fiber digital audio converter can maintain a complete signal even on a long cable. 5Audio Conversion: The converter can connect the coaxial digital audio output of a DVD, cable or satellite receiver to the for Toslink digital optical signal input. 1 x Audio Converter 1 x Power Adapter