The Bose L1 Model II System with (2) B1 Bass Speakers is a high-quality line array speaker system designed for professional audio applications. With a sleek black color and wireless connectivity, this system is perfect for musicians, DJs, and event planners looking for powerful and versatile speakers. Made of durable plastic and weighing 20.7 lbs, this Bose L1 Model II System is easy to transport and set up for a variety of events. Additionally, the included bags make storage and protection a breeze.