The Altec Lansing ACS54 2.1 Wired Computer Speaker System features a sleek black rectangular subwoofer with a 3.5mm jack audio input for easy connectivity. This speaker system is designed for a 2.1 channel audio setup, providing clear and powerful sound for your computer or desktop. The Altec Lansing brand ensures quality and reliable performance, making this model a great choice for enhancing your computer's audio output.