Features: 30,5 m of 14-gauge speaker wire for connecting speakers to an A/V receiver or amplifier99.9% oxygen-free copper (OFC); delivers high-quality undistorted signals to and from audio equipmentColor-coded (red and black) for clear polarity; durable yet flexible white insulated exterior jacketCL2 rated for in-wall use; comes wrapped around a hard plastic spool for convenient dispensing