SP-144-500-WHT is a 4-Conductor 14-Gauge 105-Strand CL2-Rated Binary Speaker Wire 500ft (White). 99.9997% oxygen free conductors is used in our cable to ensure signal integrity and a lifetime of performance. Installer-friendly sequential distance markings, anti-snag dispensing slots and easy-to-strip jackets make Binary™ cable a breeze to work with.