Auto Drive 16 American Wire Gauge Speaker Wire, 50'. The plastic jacket around the speaker wire helps to deliver high-quality undistorted signals to and from all of your audio equipment; No Distortion. Length: 50ft, Color: transparent blue.This 16-gauge speaker wire with spool lets you easily connect your speakers to amplifiers or receivers. Marked Polarity:One side of the wire is marked with a white line, making it quick and easy to distinguish the polarity and get your audio system set up properly; Easy to Use:16-gauge Speaker Wire comes wrapped around a hard plastic spool that makes dispensing convenient and easy.50ft Long length 16 Gauge speaker wire, Auto Drive New