The perfect cable is no cable at all. Wireworld was built on the philosophy that the best way to test a cable is to test up against no cable at all.
They have very cleverly designed a rig for connecting a player directly into a pair of headphones that have a 3.5mm jack input. This allows anybody to see whether the cable makes a difference with their own ears.
Come into the store and have a listen to the difference yourself!
Anyone is welcome to come into the store, play some music and hear the difference for themselves.