Features Recommended for audiences up to 500 24-speaker articulated line array delivers 180-degree horizontal sound coverage Produces consistent tonal balance with little volume drop-off over distance System's interconnecting pieces allow for efficient transport, easy setup and breakdown Description Product Description Musicians, DJs and public speakers: boost your performance with the L1 Model II system, the best portable amplification system from Bose. It replaces conventional monitors, mixers and PA speakers with Bose technologies designed to improve your amplified sound. Sound advantages--only from Bose The system produces wide, uniform sound coverage of nearly 180 degrees--onstage and throughout an audience of up to several hundred--with little dropoff in volume and tone. 24 vertically mounted drivers are angled to create clear highs and consistent tone, even off to the sides. The four-channel T1 ToneMatch audio engine has a library of presets, intelligent zEQ and professional quality effects and processors to enrich the sound of voices and instruments. The high-performance B2 bass module delivers powerful low-frequency output just right for larger audiences. Three settings increase flexibility and the optional PackLite power amplifier lets you add a second B2 bass module for maximum power. Easy and efficient The power stand weighs only 24 pounds and is easy to transport and set up. The single line-level input can be used with instruments, mics, mixers, laptops, MP3 players or DVD systems. What's in the Box L1 model II with B2 bass: • L1 Model II power stand and cord • L1 Model II Cylindrical Radiator loudspeaker (top and bottom) • B2 bass module and cable • Power stand carrying bag • Loudspeaker carrying bags • B2 slip cover T1 ToneMatch audio engine • T1 ToneMatch audio engine and cable • ToneMatch engine protective cover and carrying bag • ToneMatch engine mounting bar and carriage