The Logitech Z-640 5.1 Channel Wired Speaker System with Subwoofer is a home theater speaker system designed for immersive audio quality. With a sleek rectangular black design, this speaker system is AC powered and made of plastic. It features 5.1 channel sound configuration and 3.5mm jack audio inputs for easy connectivity. Perfect for enhancing your computer or DVD player's audio output, this Logitech speaker system delivers powerful sound performance for a truly cinematic experience in your home.