Bose L1 Model 1S PA Pachage Includes: L1 Model 1S Cylindrical Radiator loudspeaker Model 1S Powerstand One B1 Bass Module 4-pin Speakon cable T1 ToneMatch Audio Engine and cable ToneMatch Protective cover and carry bag ToneMatch mounting bar and carriage carry bags for all components Key Features: High-performing, powered, portable two-way loudspeaker system with a 195° H x 10° V nominal dispersion designed for the production and reproduction of live music, music playback, speeches and A/V sound reproduction. 12-driver articulated line array produces wide, uniform sound coverage throughout the entire listening area-even off to the extreme sides. Consistent front-to-back coverage, 12 drivers mounted in a vertical line array produce less drop off in sound pressure level per doubling in distance than a conventional point source. Retractable folding leg mechanism for easy transport Lightweight, interlocking components Expandable bass design supports the use of multiple B1 bass modules or a single B2 module Digital ethercon port provides single-wire connectivity for the T1 ToneMatch audio engine Technical Specifications: System Performance System Type: Self powered, two-way Frequency Response: (+/-3 dB)1 40 Hz – 12 kHz Frequency Range: (-10 dB)1 32 Hz – 14 kHz Nominal Dispersion: 195° H x 10° V Maximum SPL @ 1 m 112 dB SPL (118 dB SPL peak) Crossover Frequency 200 Hz (24 dB / octave) Amplification System Power Rating: 375 W Low-Frequency Amplifier: 250 W High-Frequency Amplifier: 125 W Distortion at Rated Power: 0.1 % Max (30 Hz – 15 kHz) System Limiter: Dynamic limiter Overload Protection: Fuse/MOV/NTC/PTC Power Indicator: Blue LED: system on, Red LED: fault