The JBL CBT50LA-1 is a compact Constant Beamwidth Technology™ Line Array Column Loudspeaker featuring eight 50 mm (2 in) full-range drivers and an improved mounting bracket for enhanced aiming flexibility. Designed with patented analog delay beam-forming and amplitude tapering, it delivers consistent vertical coverage without narrow beaming or out-of-coverage lobing that are common in conventional column speakers. With its wide horizontal dispersion, selectable voicing modes, and rugged weather-resistant design, the CBT50LA-1 is ideal for speech, music, and fixed installation in a variety of environments.
Constant Beamwidth Technology™ for consistent vertical coverage
Eight 50 mm (2") full-range drivers with smooth, natural sound
Switchable voicing: flat response for music or presence peak for speech
Wide 150° horizontal coverage and 20° vertical pattern
Dynamic SonicGuard™ overload protection
Built-in 70V/100V transformer plus 8Ω direct mode
Swivel (pan/tilt) wall bracket included for flexible mounting
IP55-rated for outdoor use (with optional panel cover)
Compact, slim design with black or white finish
Drivers: 8 × 50 mm (2") full-range
Frequency Range (-10 dB): 80 Hz – 20 kHz
Coverage Angle: Vertical 20° Horizontal 150°
Sensitivity: 93 dB (speech mode), 89 dB (music mode)
Impedance: 8Ω
Power Handling: 150W continuous (600W peak, 2 hrs) / 100W (400W peak, 100 hrs)
Maximum SPL (1m): 115 dB continuous (speech) / 111 dB continuous (music)
Transformer Taps: 60W, 30W, 15W, (7.5W at 70V only), 8Ω bypass
Enclosure: Fiberglass-reinforced ABS, aluminum grille
Outdoor Rating: IP55 (with optional MTC-PC2 cover), UV & salt-spray resistant
Dimensions (H × W × D): 528 × 99 × 153 mm
Net Weight: 4.1 kg
Included: Swivel pan/tilt wall bracket
Optional Accessories: MTC-PC2 cover, MTC-CBT-FM1 flush mount, MTC-CBT-SMB1 stand bracket
Malaysia
