JBL CSA 1120Z User Manual
JBL COMMERCIAL SERIES
MIXER-AMPLIFIERS | AMPLIFIERS | MIXERS
JBL® COMMERCIAL SERIES
MIXER-AMPLIFIERS | AMPLIFIERS | MIXERS
JBL® Commercial Series, a dynamic blend of the best HARMAN brands, knows for any
business, the audio system is essential to keeping their customers informed and captivated.
Leveraging the expertise honed by years of precision sound reproduction and technical
innovation by JBL, Crown and other HARMAN brands, JBL Commercial crafts top-quality
components to offer high-performance yet affordable sound systems.
By providing a premium listening experience for decades in everything from large arenas
to private homes, JBL is one of the most recognized and respected brands in the audio
industry. Capitalizing on JBL’s legendary achievements in audio and technology innovations
enables JBL Commercial to set new standards in sound.
Designed and engineered by Crown for JBL Commercial Series, our lineup of mixer-
amplifiers, amplifiers and mixers delivers clear sound for announcements and music for
everything from a casual coffee shop to a crowded night club.
™
Plus, with HARMAN’s GreenEdge
dramatically reduce energy consumption and leave a smaller footprint behind on the world.
As your single-brand source, JBL Commercial Series simplifies the search for high-
performance, comprehensive and versatile audio solutions for your business customers.
environmentally conscious manufacturing, our products
DRIVECORE™
TECHNOLOGY
Combining hundreds of parts
into one chip smaller than a
dime, DriveCore provides:
More operating efficiency
and reliability by using
fewer parts
Significantly reduced
power consumption
The audio quality of a highly
evolved Class AB design in
an ultra-efficient amp
Greater accuracy, reduced
weight and best-in-class
signal-to-noise performance
70V & 100V
Power efficiency and cost
efficiency combine in a versatile,
high-impedance system that:
Allows one amp channel
to drive multiple speakers
without complex wiring
Produces different sound
levels for different listening
areas using the same
amp channel
Uses smaller gauge, lessexpensive cable compared to
typical 8 ohm speaker system
Expands easily – just add
to a speaker run
Simplifies adding volume
control to single- or multiplespeaker zones
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