Toslink (optical) connections have become increasingly popular with the rise of ‘dual purpose’ personal audio devices and DACs, many of which are also used as components in high quality home systems. However basic ‘bundled’ Toslink cables suffer from a number of issues which degrade the performance of the system. Typically these issues include poor quality core conductor materials, poor matching of conductor to connectors and poor fit of connectors to equipment sockets. These flaws typically combine in very poor ‘jitter’ performance which gives a grainy, tonally bleached sound characteristic of poor quality digital audio