Description Product Description The Bose L1 Model II System Double B2 Bass Package is an impressive, portable PA system that provides two B2 bass modules and an A1 PackLite power amp to drive home an impressive low end that is perfect for DJing and more. The 24-speaker articulated line array of the Bose L1 Model II delivers 180 degrees of horizontal sound coverage and smooth tonal balance across the stage and throughout the room. What's Included:- L1 Model II Power Stand and Cord - L1 Model II Cylindrical Radiator(r) Loudspeaker (top and bottom) - 2x Bose B2 Bass Module and Cables - Bose A1 PackLite Power Amplifier - All Slipcovers and Carrying Cases Spatial Dispersion and Articulated ArrayThese technologies in the loudspeaker produce wide, uniform sound coverage. The 24 small drivers are arranged using Articulated Array speaker technology in a slim, vertical enclosure--creating nearly 180 degrees of horizontal coverage and consistent tonal balance. Integrated power amplifiers in the power stand provide clean, precise amplification for L1 Model II system to power one B2 bass module while the included A1 PackLite amp powers the other B2. Analog input, trim control and signal/clip LED for line-level analog input via TRS cable. Can be used for instruments or other audio sources like DJ mixers, MP3 players, computers or DVD systems. Bass line out delivers post-DSP bass signal output. Accepts 1/4-inch TRS cable. Use to connect powered subwoofer, additional amplification system or Bose PackLite amplifier with up to two additional bass modules. Retractable legs provide stability for streamlined power stands and loudspeakers. Four retractable legs fold out of power stand simultaneously for quick setup and compact transport B2 bass moduleHighly efficient speaker design features two 10-inch (13.3 cm), high-output, high-excursion drivers that produce deep, strong bass from a small enclosure. Three level settings provide flexibility of output. When connected to power stand, active equalization ci