The Bose L1 Model 1S compact PA system gives you portability, flexibility, and great sound! Featuring a proprietary 12-speaker articulated line array and a B1 Bass Module, the Model 1S delivers 180-degree coverage for audiences of up to 300. You get consistent tonal balance throughout the venue, with less SPL drop-off over distance than conventional PAs. Placed behind you onstage, you hear what your fans hear, so your Model 1S also functions as your monitor. And it sets up and tears down in minutes. Put superior technology to work for you — with the Bose L1 Model 1S.