JBL 500W Professional Standby Speaker with Constant Beam Display Technology, Asymmetrical Sound Coverage for Balanced Performance in All Directions, Model CBT 70J-1
- Large party speakers The JBL CBT 70J-1 combines high-fidelity sound and advanced engineering technologies to deliver consistent, clear sound performance in all directions.
- The speaker uses JBL's exclusive Constant Beamwidth Technology™ which gives it perfect control over vertical and horizontal coverage with consistent sound distribution from the front of the hall to the back.
- Includes a vertical speaker A two-way line array consisting of four 5-inch woofers for bass frequencies and sixteen 1-inch nodium tweeters for high treble frequencies, giving it exceptional clarity even in large spaces.
- The speaker is designed with asymmetrical vertical coverage angles so that it directs sound more towards the far distances within the hall, reducing differences in sound level between the front and back.
- Its robust, weather-resistant design gives it an IP55 rating to suit indoor and outdoor environments, with a tilt-and-rotate wall mount for easy installation and precise sound direction.
Technical description:
- Large party speakers are recommended The CBT 70J-1 is based on the principle of Analog Delay Beam-Forming and Amplitude Tapering technology to generate a coordinated, directional audio beam across low and high frequencies.
- The headset features the ability to switch the vertical coverage angle between two modes:
- 45° (medium range) to cover medium areas.
- 25° (long range) to cover long distances with higher concentration.
- The user can also switch between two sound modes:
- Music Mode with balanced sound and a wide frequency range.
- Speech Mode, which enhances the clarity of mid-frequency speech and speeches.
- It also includes the Dynamic SonicGuard™ system to protect high-frequency components from overload, ensuring stable performance even at the highest volume levels.
Technical specifications:
- Type: Professional column speaker with 2-way Constant Beamwidth technology
- Power: 500W continuous (2000W peak) – for 2 hours / 350W continuous (1400W peak) – for 100 hours
- Frequency range (-10 dB): 60 Hz – 20 kHz
- Vertical coverage:
- Interchangeable between 25° (long range) and 45° (medium range)
- Horizontal coverage: 150° (±20°)
- Allergies:
- Narrow range: 98 dB (speech) / 93 dB (music)
- Wide range: 96 dB (speech) / 92 dB (music)
- Maximum sound pressure level (SPL):
- Narrow band: 125 dB continuous / 131 dB peak
- Wide range: 123 dB continuous / 129 dB peak
- Number of drivers:
- 4 x Woffer 5 inch (130 mm) Dual Nodymium Magnet
- 16 x Twitter 1 inch (25 mm) Neodymium Double Magnet
- Nominal impedance: 8 ohms
- Materials:
- ABS body reinforced with glass fiber
- Corrosion-resistant coated aluminum front grille
- Environmental rating: IP55 waterproof and dustproof (with cover MTC-PC2)
- Dimensions (Height x Width x Depth): 694 x 170 x 237 mm
- Net weight: 9.5 kg
- Colors: Black (BK) / White (WH)
- Attached attachments:
- Swivel/Pan Bracket (Wall Mount)
- Optional accessories:
- MTC-PC2 Waterproof Cover
- MTC-CBT-FM2 Low-Protrusion Wall Mount
- MTC-CBT-SMB1 Headphone Mounting Base
Key features:
- Asymmetrical vertical coverage for balanced front-to-back sound distribution.
- Constant Beamwidth™ technology for accurate and consistent audio coverage across the entire frequency range.
- The Two-Way Line Array system provides high clarity across all frequencies.
- Switchable between two angles of coverage (25° / 45°) depending on the type of application and distance.
- Dynamic SonicGuard™ protection prevents overload and maintains sound purity.
- High weather resistance with an IP55 rating makes it ideal for indoor and outdoor use.
- Strong and durable structure made of fiberglass and corrosion-resistant aluminum mesh.
- Sleek, slim design suitable for high-end architectural projects.
Product summary:
- The JBL CBT 70J-1 is one of the most powerful floor speakers in its class, delivering clear, professional sound that is intelligently distributed even in large, acoustically challenging spaces.
- Thanks to its smart design and two-way system, it gives you balanced sound coverage without the need for multiple additional speakers.
- It combines flexibility in coverage control, structural rigidity, and a modern design, making it ideal for any project that requires high sound quality and long-term stability.
Additional features:
- A coating resistant to ultraviolet rays, humidity, and atmospheric salinity.
- Multiple rear mounting points compatible with standard OmniMount® systems.
- The speaker can be hung, wall-mounted, or placed on a floor stand.
- Internal components are moisture-proof to last in harsh conditions.
- Balanced power distribution between low and high frequency components.
Applications used for the product:
- Mosques and major places of worship.
- Official halls and conferences.
- Theaters and educational facilities.
- The corridors and spacious waiting areas.
- Shopping centers, hotels, and upscale restaurants.
- Outdoor sound projects and open-air exhibitions.
Summary and final advice:
- The JBL CBT 70J-1 large party speakers are not just a standalone speaker — they are a complete sound system with advanced technologies for balanced and accurate coverage.
- It provides clear, consistent sound throughout the space, with a durable design to suit any environment.
- If you are looking for professional-grade audio performance in large projects, mosques, or multi-purpose halls, this JBL speaker is the perfect investment for a high-end audio experience that will last for years.
Detailed product data (Data Sheet).