From The Absolute Sound:

"Transparent itself claims new technological advances in designing these cables. It says, “Reference XL Digital Link uses Transparent Advanced Expanded Foam Technology for precise impedance control and low noise signal transmission. With a solid OFHC conductor that is significantly larger than the Reference 75-ohm Digital Link conductor, Reference XL Digital Link has far more surface area with which to transfer digital signals accurately.” It doesn’t take more than a glance to see that the construction of these handsome cables is exemplary."

Read the full review here.