AudioQuest Mackenzie cables are part of the Rivers series of analogue interconnects they build on the specifications of Red River. Mackenzie cables feature Perfect Surface Copper+ solid conductors. Solid conductors are fundamental toward achieving Mackenzies very clean sound. While the Hard Cell Foam Insulation allows the conductors in the cable to maintain the same relationship with each other along the full length of the cable ensuring that the characteristic impedance of the cable is consistent.