The TS135S Alto Professional Speaker Active Subwoofer is a reliable and high-quality pro audio equipment perfect for any music enthusiast. It features a wired connectivity option and an active design, making it easy to use and transport. The subwoofer is designed to provide a powerful and accurate bass response, making it ideal for use in studios, live venues, and home audio systems. This black subwoofer is manufactured by Alto Professional, a reputable brand known for producing high-quality audio equipment. It has a model number of TS315S and is perfect for use with a variety of instruments and DJ equipment. Whether you’re a professional musician or just starting out, this subwoofer is a great addition to your setup.