A development of the Single Helix this cable is hand made from 2x cores of Single Helix loudspeaker cable giving twice the cross section of our Ultrapure ™ Silver Plated Copper offering a lower resistance and improving the damping factor of your loudspeakers..Ferite cores are custom made to exact tolerance to offer perfect RFI rejection without affecting the musical signal giving a cleaner overall musical performance without the inductive problems created by shielded loudspeaker cables.The Slingshot Dual Helix offers the finest materials available and performance for price... Hand built to exacting specification in a choice of colours and termination to suit your personal requirements