The Logitech Z623 THX 2.1 Speaker System is a high-quality home theater speaker system that delivers powerful sound with its 400W RMS power output. This wired speaker system includes a subwoofer for enhanced bass and a total of 3 units for a 2.1 system configuration. With THX surround sound formats and volume control features, this Logitech speaker system is perfect for creating an immersive audio experience in your home. The sleek black design and durable plastic material make it a stylish and reliable addition to your workspace or entertainment setup.