Designed for home theatre and professional AV installations Compatible with all optical SPDIF equipped devices which use the TosLink / optical SPDIF interface High grade fibre optic core with bronze ferrule for the clearest, most accurate digital audio transmission Ultra flexible triple layer protective jacket for advanced protection Sturdy, gold plated metal connector body for added strength Fully quality tested 25 years warranty Available in lengths from 0.5m to 50m Please note: These cables come with a protective dust cap on each end of the cable. Remove this before installation.