Features Recommended for lower-range instruments and vocalists Spatial DispersionTM and Articulated Array® speaker technologies Single-input power stand with retractable legs Four-channel ToneMatch® audio engine with studio-class effects Two B1 bass modules included Description Product Description The premier Bose® L1 loudspeaker system for musicians with our smoothest, most consistent sound coverage and most powerful tone-shaping tools. Lightweight and modular, this sleek system fits easily into a car trunk and takes just a few minutes to set up. Bose best portable sound system for musicians combines the Bose L1 Model II system and T1 ToneMatch audio engine. This professional concert sound system provides wide coverage, smooth tonal balance and a suite of studio-class effects and tone-shaping tools. And it's packed with proprietary Bose technologies designed to improve your amplified sound.