Neptune speaker cables are hand-crafted with precision! They are fashioned with single crystal copper. The conductors are surrounded by Purist Audio Design's proprietary Fluid® dampening material. The Dominus speaker cables can be ordered in a standard speaker or bi-wire configuration. They come in a stereo pair with four cables in the set. The left channel has a separate positive cable indicated by a read lead and a separate negative cable indicated by a black lead. The right channel has a separate positive cable indicated by a read lead and a separate negative cable indicated by a black lead. The speaker cables are available with Purist Audio Design’s interchangeable spades or bananas. They can be changed out, easily, by unscrewing one and screwing on the desired tip. The Neptune comes with both spade and banana tips. Available lengths start at 1.5 M (4.9 Ft.) and increase by 0.5 M (1.6 Ft.) lengths. In addition to the length, the Neptune speaker cables have 15 CM (5.9”) leads on both the amp and speaker ends for easier connection.