Award winning 24k gold plated toslink connectors. Comes with a lifetime guarantee. Available in a range of lengths. "What Hi-Fi Award Best Optical 2011 & 2012" "We heard improvements in system sound when using the QED, including greater detail and dynamics" QED's multi-award winning Toslink Optical digital audio cable. The award winning ‘Performance Graphite’ Optical cable allows you to experience superior sound quality when connecting DAC's, TV’s, CD players and Blu-ray players to amplifiers or receivers. Performance Optical uses a polymethyl methacrylate (PMMA) acrylic glass optical fibre to comfortably transmit the higher bandwidth signals demanded by today's multi-channel digital audio links. The cable is optimised for a 'very low jitter' design to reduce digital errors, making for a cleaner audio data transmission. Here at QED we are so confident about the performance of our product that we offer a lifetime guarantee. Plastic Optical Fiber (POF) core of acrylic glass Stepped refractive index Fluorinated Polymer Cladding Material 24K gold plated Toslink connectors Precision engineered plug with integrated grip Attenuation ‹ 0.15dB/m (650nm) Numerical Aperture 0.5 Minimum bend radius 9mm QED Lifetime Guarantee