Wireworld SOLSTICE 8 (BSI) 2 XLR females to 2 XLR males 1 pice With a new Tri DNA Helix design, Solstice 8’s silver-plated Oxygen-Free Copper conductors and Composilex 3 insulation improve reproduction of musical detail and expression in both analog and balanced digital applications. Gold Tube RCA plugs have a smooth firm grip and the highest conductivity in their class. Their patented DNA Helix internal structure consists of parallel strands in layered flat conductors that channel electromagnetic signal energy more efficiently than coaxial and twisted pair cables. Wireworld interconnects are designed, tested and manufactured to provide the most sonically transparent path for your music.