AXON 18 Bi-Wire speaker cable sold by the foot. The AXON 18 Bi-Wire is a high quality speaker cable consisting of 4 individual stranded 18 AWG Silver Plated Copper conductors. Each conductor is comprised of 19 individual wires twisted inside a PTFE jacket. All four conductors are spiral twisted and then shielded by a silver plated copper braid.  The mil-spec extruded PTFE dielectric helps reduce the degrading dielectric effects experienced over longer runs. Please view the close-up images for details on these features