The 251 Altec Lansing Amplified Wired Computer Speaker System Powered SubWoofer is a sleek and powerful subwoofer designed for enhancing audio quality in computer speaker systems. With a 2.0 channel system configuration and a 50W RMS power output, this silver rectangular-shaped speaker delivers impressive sound performance. The wired connectivity with 3.5mm jack audio inputs makes it easy to set up and use with various computer models. The Altec Lansing brand ensures quality and reliability, making it a great addition to any computer setup looking to improve audio experience.