The Genuine Logitech Z313 Subwoofer is a portable speaker system designed for Logitech brand compatibility. With a sleek black cube shape, this subwoofer features a 50W RMS power output and 2.1 surround sound format for enhanced audio quality. It includes various connectivity options such as headphone jack, wired audio jack, and RCA jack, along with features like volume control and AC-powered operation. Perfect for enhancing your computer or desktop audio experience, this Logitech Z313 subwoofer is a reliable and high-quality accessory for your setup.