The Logitech Z313 Replacement Subwoofer is a sleek black rectangular subwoofer designed for use with Logitech computer speakers. With a 2.1 channel system configuration and 50W RMS power, this subwoofer delivers powerful and immersive audio for gaming and other surround sound formats. This Logitech-branded subwoofer offers wired connectivity with 3.5mm audio inputs, providing a reliable and high-quality audio experience for your computer setup.