Wireworld Helicon 16x OCC Speaker Cable Spool 100m (HCS)Helicon 16x OCC is a small flexible cable that provides outstanding high end sound quality, thanks to Dual DNA Helix design with the worlds finest OCC 7N copper conductors. It is especially effective on high efficiency speakers, two way monitors and for internal wiring of high end speakers. The highly refined and detailed sound of this 16AWG cable proves that superior design and materials far outperform larger, less advanced wires.