Digital lead with standardised Toslink connectors & high purity optical cables using the finest technology available to ensure low jitter & the least signal loss. A carefully engineered synthetic fibre & cladding ensure optimum light transmission & the highest quality sound This lead is for the digital transmission of the signal between amplifiers, DVD player/recorders, etc. This lead features gold plated stainless steel connectors Maybe used with some Computers to connect audio out/in