2 x 10 awg 
Special formula PE dielectric
High-purity copper

The construction consists of eight brown and eight black conductors, arranged in a large format braid. Individual conductors are high-purity copper. The aggregate wire size is two 10 awg conductors. 8PR provides a sound that is full bodied and powerful, making it ideal for subwoofers and the low frequency section of bi-wired speakers as well as full range applications.