The JL Audio XM-WHTSC16-500 is a premium 500-foot spool of 16 AWG parallel conductor speaker cable, specifically designed for marine audio systems. This cable features tinned oxygen-free copper (OFC) conductors, ensuring excellent conductivity and resistance to corrosion in harsh marine environments. The soft, flexible white PVC jacket allows for easy handling and installation, while the parallel conductor design simplifies polarity identification during setup.?• True 16 AWG Specification, Pure OFC Copper Wire• Tinned for corrosion resistance (marine-ready)• Soft, flexible PVC Wire Jacket Flexible PVC Jacket: Easy installation in tight spaces Parallel Conductor Design: Simplifies polarity identification Marine-Ready: Durable for boats, RVs, & outdoor use | JL Audio 500' 16 American Wire Gauge Parallel Conductor Speaker Cable in White