JBL CBT 50LA-1 Constant Beamwidth Technology Line Array Column Loudspeaker – Black

SKU: CBT 50LA-1 Category: Brand:

The JBL CBT 50LA-1 column loudspeaker with Constant Beamwidth Technology delivers consistent vertical coverage, flexible aiming, and high-quality sound with eight 2-inch drivers, suitable for speech and music applications.

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JBL CBT 50LA-1 Constant Beamwidth Technology Line Array Column Loudspeaker - Black

Description

JBL CBT 50LA-1 column loudspeaker

The JBL CBT 50LA-1 column loudspeaker features innovative Constant Beamwidth Technology™ for precise and consistent vertical coverage. Using analog delay beam-forming and amplitude tapering, it avoids the narrow vertical beaming and out-of-coverage lobing typical of conventional passive column speakers. This ensures clear, intelligible sound across the entire listening area for both speech and music applications.

Equipped with eight 50 mm (2 in) full-range drivers, the CBT 50LA-1 provides wide horizontal dispersion and controlled vertical coverage, making it ideal for conference rooms, lecture halls, houses of worship, retail environments, and other professional audio installations. Switchable voicing allows the speaker to be optimized for flat music response or mid-range presence for speech, offering versatile performance for diverse applications.

The speaker includes a built-in 70V/100V transformer while also supporting 8-ohm direct operation. Dynamic SonicGuard™ protection safeguards the drivers from overload, ensuring reliable long-term operation. Its fiberglass-reinforced ABS cabinet and painted aluminum grille provide durability, while IP55 rating and optional protective covers allow safe use in outdoor or semi-exposed installations. The included swivel (pan) / tilt wall bracket provides flexible aiming, and ten M6 insert points on the back panel allow additional mounting or suspension options.

 

Features of CBT 50LA-1

 

  • Constant Beamwidth Technology™ for consistent vertical coverage

  • Switchable voicing for music or speech optimization

  • Dynamic SonicGuard™ overload protection

  • Built-in 70V/100V transformer, plus 8-ohm direct input

  • Eight 2-inch (50 mm) full-range drivers

  • Wide horizontal 150° and controlled vertical 20° coverage

  • IP55-rated for dust and water resistance (with optional cover)

  • Fiberglass-reinforced ABS cabinet with painted aluminum grille

  • Versatile mounting with included swivel/tilt wall bracket

  • Ten threaded M6 insert points for additional mounting or suspension

  • Outdoor-capable with optional MTC-PC2 terminal panel cover

  • Compact 528 x 99 x 153 mm (20.8 x 3.9 x 6.0 in) design

  • Reliable performance for speech and music applications

 

Specifications of CBT 50LA-1

 

DriversEight 50 mm (2 in) full-range drivers
Frequency Range (-10 dB)80 Hz – 20 kHz
Coverage AngleVertical 20° (1.5 kHz – 16 kHz, ±10°), Horizontal 150° (1 kHz – 4 kHz, ±20°)
Sensitivity93 dB (speech mode, 2 kHz – 14 kHz), 89 dB (music mode, 300 Hz – 18 kHz)
Impedance8 ?
Power Rating150 W (600 W peak, 2 hrs), 100 W (400 W peak, 100 hrs)
Maximum SPL (1 m)Speech mode: 115 dB continuous (121 peak), Music mode: 111 dB continuous (117 peak)
Transformer Taps60 W, 30 W, 15 W (7.5 W at 70V only), 8 ? thru, selectable via switch
EnclosureFiberglass-reinforced ABS cabinet, painted aluminum grille
Outdoor CapabilityIP55 per IEC529 with optional MTC-PC2 cover; UV, moisture, and 200-hr ASTM G85 acid-air/salt-spray resistant
ColorBlack or White (-WH)
Insert PointsTen M6 threaded insert points on back panel
MountingIncluded swivel (pan)/tilt wall bracket: ±80° horizontal swivel, ±15° tilt; threaded mounting points compatible with OmniMount® 30.0 and other brackets; suspension capable
Dimensions (H x W x D)528 x 99 x 153 mm (20.8 x 3.9 x 6.0 in)
Net Weight4.1 kg (9.0 lb)
Included AccessoriesSwivel (pan)/tilt wall bracket
Optional AccessoriesMTC-PC2 terminal panel cover, MTC-CBT-FM1 flush-mount wall bracket, MTC-CBT-SMB1 stand-mount bracket for 35 mm speaker stands
Origin of CountryChina

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