Enrock 16-Gauge Speaker Wire is a smart solution to your audio installation. This wire comes in 50 feet to give you convenient installation and pure sound quality enhancement. The cable is tinned and oxygen free copper (OFC) to deliver high-quality sound without any transmission loss. Marine grade speaker wiring made simple. Just use high quality marine duplex wiring with it's fine stranded tin plated copper to resist weather elements. | Enrock Marine | | Enrock 50 Feet 16 Gauge Marine Grade (OFC) Speaker Wire | Blue | Best Buy