JBL Professional CBT 70JE-1 Extension for CBT 70J-1 Line Array Column Speaker, White

Optimize your line-array coverage with the JBL Professional CBT 70JE-1 extension loudspeaker — engineered to add depth and reach to CBT 70J-1 systems for outdoor and commercial installations. As a JBL Professional speaker extension, the CBT 70JE-1 delivers 350W RMS low-frequency reinforcement and a wide 45 Hz–700 Hz response to ensure clear, punchy bass for paging, background music, and security audio. Built with neodymium drivers, a sealed fiberglass-reinforced ABS enclosure and a rust-free aluminum grille, this extension is UV- and salt-resistant for dependable outdoor performance. The 8 ohm impedance and 90 dB sensitivity make it easy to integrate into existing amplifiers and monitoring setups without complex tuning. Ideal for surveillance sites, stadium concourses, transportation hubs, and retail perimeters where consistent, intelligible low-frequency coverage is critical. Complete your CBT line array to improve system SPL and coverage uniformity — add the CBT 70JE-1 to your design or contact our team for system integration support.

• Extend an existing CBT 70J-1 line array quickly with a matched JBL Professional extension that boosts low-frequency output and system coverage.
• Weather- and corrosion-resistant construction (UV, salt, coated drivers, aluminum grille) for reliable outdoor and marine installations.
• High-efficiency 350W RMS handling and 90 dB sensitivity deliver impactful bass reinforcement with lower amplifier load.
• 8 ohm impedance and sealed enclosure simplify integration into commercial paging, security audio and monitoring systems.
• Compact wall-mount design provides flexible deployment for distributed audio, surveillance paging, and background/foreground music applications.