JBL CBT 50LA-1 line array column speaker

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Constant Beam width Technology for even sound coverage
Line array column with 8 full-range drivers
150° wide horizontal dispersion for large areas
Controlled 20° vertical coverage for clear speech
Switchable speech and music modes
High output up to 115 dB SPL
70V / 100V line and 8Ω operation support
IP55-rated for indoor and outdoor use
Swivel pan/tilt wall mount included

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Description
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The JBL CBT 50LA‑1 is a high-performance line array column loudspeaker that delivers consistent, clear sound over a wide area. Engineered with Constant Beam width Technology it maintains controlled vertical coverage without the common in traditional column speakers, making it ideal for speech, announcements, and music playback in commercial and public spaces. Its 8 full-range drivers provide clear audio across the frequency spectrum (80 Hz–20 kHz), while switchable speech/music voicing ensures perfect clarity for voice or balanced music performance. The 150° horizontal coverage with focused 20° vertical dispersion makes it suitable for auditoriums, lecture halls, conference rooms, retail areas, and worship spaces.

Specifications

Drivers	Eight 50 mm (2 in) full-range drivers
Frequency Range (-10 dB)	80 Hz – 20 kHz
Coverage Angle	Vertical: 20° (1.5 kHz – 16 kHz, ±10°) Horizontal: 150° average (1 kHz – 4 kHz, ±20°)
Sensitivity	93 dB (Speech mode, 2 kHz – 14 kHz) 89 dB (Music mode, 300 Hz – 18 kHz)
Nominal Impedance	8 ohms
Power Rating	150 W (600 W peak), 2 hrs 100 W (400 W peak), 100 hrs
Maximum SPL (1 m)	Speech mode: 115 dB continuous (121 dB peak) Music mode: 111 dB continuous (117 dB peak)
Transformer Taps	60 W, 30 W, 15 W (7.5 W @ 70V only), and 8Ω through, selectable via switch
Enclosure	Fiberglass-reinforced ABS cabinet with painted aluminium grille
Outdoor Capability	IP-55 rated (with optional MTC-PC2 panel cover); UV, moisture & 200-hr salt-spray resistant
Available Colors	Black, White (-WH)
Insert Points	Ten M6 threaded insert points on back panel
Mounting	Included swivel (pan) / tilt wall bracket; ±80° horizontal swivel, ±15° vertical tilt; compatible with 30.0
Dimensions (H × W × D)	528 × 99 × 153 mm (20.8 × 3.9 × 6.0 in)
Net Weight	4.1 kg (9.0 lb)