JBL Cbt 50LA-LS 50CM Tall Line Array Column Speaker W EN54-24, Blk
Description
JBL CBT 50LA-LS 50cm Tall Line Array Column Speaker with EN54-24 Compliance, Black
The JBL CBT 50LA-LS is a compact line array column speaker engineered for professional speech reinforcement and life safety applications. Its slim vertical profile and included swivel/tilt bracket make integration straightforward in studio monitoring setups, live recording environments, and broadcast facilities where space constraints demand a compact footprint without sacrificing coverage or output clarity.
Audio Performance & Coverage
Eight 50mm full-range drivers deliver 93 dB sensitivity in speech mode (2 kHz – 14 kHz) and 89 dB in music mode (300 Hz – 18 kHz), with frequency response spanning 120 Hz – 20 kHz at –10dB. The speaker achieves 20° vertical coverage (±10°, 1.5 kHz – 16 kHz) and wide 150° horizontal dispersion (ave, 1 kHz – 4 kHz, ±20°), making it ideal for even sound distribution across tracking rooms, control rooms, and other recording spaces with irregular acoustics.
Build & Integration
The cabinet is constructed from fiberglass-reinforced ABS with UV-resistant paint, ensuring durability in both studio and field recording environments. Ten M6 insert points on the back panel provide flexible mounting options, and the unit includes a swivel/tilt wall-mount bracket; a built-in 70V/100V transformer accommodates distributed audio systems in larger facilities, while direct 8-ohm capability supports traditional amplifier connections for direct monitoring applications.
Key Features
- Eight 50mm (2 in) full-range drivers
- Frequency response: 120 Hz – 20 kHz (–10dB)
- 93 dB sensitivity (speech mode, 2 kHz – 14 kHz)
- 89 dB sensitivity (music mode, 300 Hz – 18 kHz)
- 20° vertical coverage angle (±10°, 1.5 kHz – 16 kHz)
- 150° horizontal coverage angle (ave, 1 kHz – 4 kHz, ±20°)
- Dimensions: 528 x 99 x 153 mm (20.8 x 3.9 x 6.0 in)
- EN 54-24 compliant for life safety applications
- Built-in 70V/100V transformer plus 8-ohm direct input
- Ten M6 mounting insert points on back panel
- Swivel/tilt wall-mount bracket included
- Music/Speech voicing switch for application-specific tuning
This EN 54-24 certified speaker combines professional speech clarity with practical system flexibility and durability, making it a dependable choice for studios and facilities requiring reliable, standards-compliant audio reinforcement.
More Information
| Condition | New |
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Reviews
At a Glance
The JBL CBT 50LA-LS is a professional speech-optimized column speaker designed for reinforcement and life safety systems rather than studio recording or music production. Its narrow vertical profile and wide horizontal dispersion make it a system integrator's tool for even coverage in live venues and installed audio environments, not a mixing or capture device. If your work centers on studio recording, intimate sessions, or music production, this speaker belongs in the venue or facility rack, not the control room.
Who This Is For
Great for
- ✓ Live Performance
- ✓ Speech Reinforcement
- ✓ Install Audio
- ✓ Life Safety Applications
Not the best pick for
- – Home Recording
- – Studio Sessions
- – Intimate Jazz
Skill level: Professional
Frequently Asked Questions
What applications is this speaker designed for?
The CBT 50LA-LS is engineered for live speech reinforcement, life safety systems, venue installations, and facilities requiring EN 54-24 compliance. It excels at even sound distribution across large or irregular spaces and is not intended for studio recording or music-focused mixing.
How does the 70V/100V transformer work, and what are my connection options?
The built-in 70V/100V transformer accommodates distributed audio systems common in installed venues and facilities. You can also connect directly to an amplifier using the 8-ohm input, giving you flexibility between traditional amp-driven setups and transformer-based line systems.
What coverage does this column provide, and will it work in an irregular space?
The CBT 50LA-LS delivers 150° horizontal dispersion and 20° vertical coverage (±10°), which means it spreads sound widely left to right while maintaining a narrow top-to-bottom footprint. This makes it ideal for uneven or large spaces where consistent speech intelligibility is critical.
What's the difference between speech and music mode, and how do I switch?
A dedicated Music/Speech voicing switch optimizes the eight 50mm drivers for each application—speech mode emphasizes the 2 kHz–14 kHz range for clarity, while music mode spans 300 Hz–18 kHz for fuller tone. Simply flip the switch depending on whether you're reinforcing a presentation or background music.
What makes this speaker suitable for outdoor or demanding installations?
The cabinet is fiberglass-reinforced ABS with UV-resistant paint to withstand outdoor weather and high-traffic venue environments. Its compact 528 x 99 x 153 mm size, swivel/tilt bracket, and ten M6 mounting insert points make it adaptable to tight spaces, walls, and ceilings without sacrificing durability or coverage.