The Heavy Duty Speaker Wire Roll is designed for todayÃ¢â¬â¢s huge constructed woofers. It is long in length and provides better connectivity. The twin-conductor pin fits easily in speakers, woofers, and amplifiers. The thick material of the wire provides the needed durability. It is ideally used for large sound systems in grounds, stadiums or in a home theatre system. The Heavy Duty Speaker Wire Roll is resistant to UV light, sunlight and moisture. It is available in bundles to our customers at a nominal price.