Audio Quest Bi Wire Jumpers are a great way to implement a bi-wired loudspeaker into your system quickly & cost-efficiently. An effective extension to your existing speaker cables this jumper is made from high-quality Perfect-Surface Copper (PSC). The solid material prevents the noise that is caused by lower-quality wires made from individual strands. This material outperforms materials many times the price & with the silver plating to finish provides a distortion-free way of bi-wiring your system.