CBT Brochure CBT Frequently Asked Questions CBT Stand-Mount Bracket Constant Beamwidth Technology Tech Note CBT 2D DXF Drawings CBT 3D DXF Drawings Installed Sound 8100 Series : AE : AE Compact : CBT Series : Control 1 Pro  : Control 200  : Control 2P : Control 300 : Control 40 : Control 5 : Control Contractor : Control Contractor 50 Series Sub/Sat. : Control CRV : Custom Shop : PD5000 Series : PD700 : VERTEC : VLA  : VP : VRX   Ushering in a new era for passive column speaker technology, based on years of extensive research conducted by Harman engineers, the JBL CBT Series line array columns with Constant Beamwidth Technology breaks new ground in performance, versatility, and affordability. Designed for venues that would typically use larger point-and-shoot speakers, the CBT models incorporate technical advancements that allow them to vastly outperform competitive systems, with a level of user-friendliness that virtually eliminates the challenges of delivering great sound. Components Frequency Range (-10 dB) Coverage Pattern CBT 50LA Constant Beamwidth Technology™ Line Array Column Loudspeaker with Eight 50 mm (2 in) Drivers Eight 50 mm (2 in) Full-Range 80 Hz – 20 kHz Vertical 20° (1.5 kHz - 16 kHz, ±10°) Horizontal 150° (ave, 1 kHz – 4 kHz, ±20°) Components Frequency Range (-10 dB) Vertical Coverage CBT 100LA Constant Beamwidth Technology™ Line Array Column Loudspeaker with Sixteen 50 mm (2 in) Drivers Sixteen 50 mm (2 in) Full-Range 80 Hz – 20 kHz Vertical Narrow Mode: 15° (2 kHz - 16 kHz) (±10°) Broad Mode: 40° (1 kHz - 16 kHz) (±10°) Horizontal 150° (ave, 1 kHz – 4 kHz, ±20°) Frequency Range (-10 dB) Sensitivity (SPL @ 1m, 3.3 ft) Power Handling (low - Z) CBT 70J Constant Beamwidth Technology™ Line Array Column Loudspeaker 60 Hz – 20 kHz 98 dB (narrow, speech mode) 500 W Frequency Response (-10 dB) Sensitivity (SPL @ 1m, 3.3 ft) Power Handling (low - Z) CBT 70JE Constant Beamwidth Technology™ Line Array Extension Loudspeaker System: 45 Hz – 20 kHz System: 100 dB System: 1000 W