The Logitech Z-640 5.1 Surround Sound System for PC is a high-quality home theater speaker system with a sleek black color and satellite shape. Compatible with universal brands and models, this system offers immersive sound with THX and Dolby Digital surround sound formats. With features like a subwoofer volume control, headset jack, and gaming capabilities, this wired system delivers powerful audio up to 70W RMS. Perfect for enhancing your audio experience, this Logitech speaker system is a great addition to any computer setup.