Snake River Audio's Boomslang Digital Cable.
Review - Hi Fi + Magazine by Jimmy Hughes DEC 2013
"The Boomslang delivers a very clean and focused sound. The music sounds slightly better - defined, and the presentation feels more solid. There's a touch less edge to the upper partials of massed violins, yet the attack sounds clean and immediate."
"In my case, even against a good specialist alternative, the Boomslang made a clearly discernable difference that was very worthwhile. Definately worth checking out!"