JBL Professional CBT 1000E High Output Column Extension Speaker, Black

Enhance large-venue sound and public-address reliability with the JBL Professional CBT 1000E high-output column extension speaker. Designed to mate with the CBT1000 line-array column, this extension adds extended bass response and elevated sound pressure levels—delivering 1500W RMS of power handling and a wide 38 Hz to 650 Hz frequency range that fills auditoriums, houses of worship, stadium concourses, and transit centers. JBL Professional’s Constant Beamwidth Technology maintains consistent vertical coverage, reducing hot spots and improving intelligibility for speech, paging, security announcements and surveillance monitoring playback. With a 130 dB sensitivity rating and an 8-ohm passive design, the CBT 1000E doubles the effective power handling of the combined array while the purpose-built crossover and included coupler plate streamline setup and tuning. Built for both indoor and outdoor use, its salt- and UV-resistant finish ensures long-term reliability in harsh environments. Ideal for pro audio integrators, facilities managers, and security teams who need dependable coverage and clear, high-output audio—add the CBT 1000E to your CBT1000 array to upgrade coverage and performance today.

• Extends bass and overall output when paired with a CBT1000, providing fuller low-end and higher SPL for large venues
• Consistent vertical coverage using Constant Beamwidth Technology for improved speech intelligibility and even sound across listening areas
• Doubles system power handling (1500W RMS) to support demanding installations and reduce the need for additional subwoofers
• Outdoor-rated, salt- and UV-resistant enclosure for durable performance in ports, transit centers, and theme parks
• Built-in crossover and included coupler plate simplify integration with CBT1000 arrays for faster installation and reliable pattern control