This 50-foot speaker wire is made of 16-gauge copper cable, designed for connecting audio stereo systems, amplifiers, surround sound setups, TVs, home theaters, and car stereos. The wire comes on a spool for easy handling and installation. It provides a reliable connection for audio equipment, ensuring clear sound transmission. The durable copper construction helps maintain signal quality over long distances. The spool design allows for convenient measurement and cutting to the desired length. Suitable for various audio applications, this speaker wire is a practical choice for home and car audio setups.