JBL CBT 70J-1 Line Array Column Loudspeaker (White)

Overview

The JBL CBT 70J-1-WH is a column line array loudspeaker designed to deliver controlled, high-output sound in environments like auditoriums, lecture halls, houses of worship, and stadium concourses. It features an array of four 5-inch low frequency drivers combined with sixteen 1-inch soft dome tweeters, producing clear and balanced audio across a frequency range of 60 Hz to 20 kHz. This speaker maintains consistent sound quality from front to back, making it suitable for both medium and long throw applications.

Key features

• Constant Beamwidth Technology shapes vertical dispersion to ensure uniform volume and tone throughout the listening area.
• Switchable vertical coverage of 45 or 25 degrees adapts the speaker’s throw to different room sizes and layouts.
• Music mode provides a flat frequency response ideal for instruments and playback, while speech mode enhances midrange clarity for spoken word.
• SonicGuard circuit protects the high frequency drivers from overload without interrupting performance.
• Wide 150 degree horizontal coverage allows a single column to fill large rooms effectively.
• Supplied swivel and tilt wall bracket enables precise aiming for optimal sound placement.
• Durable fiberglass reinforced ABS enclosure in white blends seamlessly with light-colored interiors and withstands daily use.
• High power handling with 500 watts continuous and 2000 watts peak output supports demanding audio applications.

Key specs

• Frequency response: 60 Hz to 20 kHz
• Low frequency drivers: Four 5-inch units
• High frequency drivers: Sixteen 1-inch soft dome tweeters
• Power handling: 500 watts continuous, 2000 watts peak
• Vertical coverage: Switchable 25 or 45 degrees
• Horizontal coverage: 150 degrees
• Enclosure material: Fiberglass reinforced ABS

Connectivity and compatibility

The JBL CBT 70J-1-WH integrates easily into professional audio systems commonly found in large venues. Its design supports connection to standard line-level audio inputs and is compatible with a wide range of amplifiers and signal processors used in public address and sound reinforcement setups. The speaker’s consistent beamwidth and selectable vertical coverage make it adaptable to various room sizes and acoustic requirements.

Installation and setup

Installation is straightforward thanks to the included swivel and tilt wall bracket, which allows for precise aiming to optimize sound coverage. The slim column profile minimizes visual impact and preserves sight lines, making it a practical choice for venues where aesthetics and audience experience are both priorities. The white enclosure is designed to blend with light-colored walls and ceilings, ensuring the speaker integrates discreetly into the environment.

Ideal uses and environments

This loudspeaker is well suited to venues that require clear, consistent sound over a wide area, such as auditoriums, lecture halls, houses of worship, and stadium concourses. Its ability to switch between music and speech modes makes it versatile for events ranging from musical performances to spoken presentations. The controlled vertical dispersion and high power handling make it a strong choice for spaces where both clarity and volume are critical.