JBL Professional CBT70JE-1 Extension Speaker
Best low frequency extension for professional venue audio installations.
This extension unit is a specialized add-on designed to boost the low-end performance and vertical pattern control of a specific line array system. It provides the necessary hardware and acoustic power to scale up sound coverage for professional installations.
$855.00
at
West Music
More CBT options
Who it's for
- Venue owners needing powerful audio for large, open spaces
- System integrators designing high-fidelity sound for acoustically challenging environments
- Audio professionals requiring durable equipment for high-output public address systems
Who should skip it
- Architects or designers prioritizing a minimalist or discreet visual profile
- Casual buyers looking for a simple, all-in-one speaker solution
- DIY enthusiasts seeking a quick and easy setup process
Performance breakdown
Low-Frequency Extension
Deep bass response down to 45 Hz adds significant sonic weight.
Vertical Coverage Consistency
Beamwidth technology ensures uniform sound distribution across the entire listening area.
Integration Seamlessness
Built-in crossover makes pairing with the primary array unit effortless.
Installation Versatility
Included swivel brackets offer precise aiming for challenging acoustic environments.
Power Handling Capacity
Robust 500-watt rating easily handles demanding, high-volume professional audio requirements.
Build Durability
Rugged construction designed to withstand the rigors of permanent venue installation.
Key Specs
Model Number
CBT70JE-1
Power Handling
500 Watts
Driver Size
5 inches
Number of Drivers
4
Frequency Response
45 Hz
Color
Black
Mounting Type
Wall swivel (pan)/tilt bracket included
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