JBL CBT 70J-1 Line Array Column Speaker
- Extended line array system combining CBT 70J-1 with 70JE-1 LF extension for enhanced low-frequency output
- Constant Beam width Technologyâ„¢ ensures even sound coverage from front to back
- Eight 5-inch low-frequency drivers and sixteen 1-inch high-frequency drivers for powerful, clear sound
- Switchable vertical coverage modes: Narrow 25° or Broad 45° for precise audience targeting
- Wide 150° horizontal coverage for uniform left-to-right sound distribution
- High output performance with up to 131 dB peak SPL
- Optimized speech and music voicing modes for versatile applications
- Strong, reinforced grille design for durability in demanding installations
- IP55 weather resistance (with optional cover) for indoor and outdoor use
- Modular design allows extension without external DSP or complex tuning
- Professional mounting options including wall-mount, stand-mount, and suspension
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
The JBL CBT 70J-1 Line Array Column Speaker is a professional two-way column PA speaker designed for exceptional speech clarity and consistent sound coverage in medium to large venues. Built with JBL’s advanced Constant Beam width Technology, it ensures uniform audio dispersion from the front row to the last listener, reducing echoes and uneven sound levels. Featuring 4 powerful 5-inch low-frequency drivers and 16 precision 1-inch high-frequency drivers, clear vocals, detailed midrange, and smooth high frequencies. Its switchable vertical coverage modes make it ideal for churches, auditoriums, conference halls, railway stations, airports, classrooms, government buildings, and public address systems across India.
Q1. Is the JBL CBT 70J-1 suitable for outdoor use?
A-1 Yes. With the optional terminal panel cover, it offers IP55 weather resistance, making it suitable for outdoor installations.
Q2. Is this speaker active or passive?
A-2 The JBL CBT 70J-1 is a passive speaker and requires an external power amplifier.
Q3. Can it be used mainly for speech applications?
A-3 Absolutely. It is highly optimized for speech clarity, making it ideal for announcements and presentations.
Q4. Does it support music playback?
A-4 Yes. With its switchable voicing modes, it performs well for both speech and background music.
Q5. Is professional installation recommended?
A-5 Yes. For best sound coverage and safety, professional installation is recommended.
Specifications
| System Type | Two-Way Line Array Column Speaker with Extension |
| Drivers | 8 × 130 mm (5 in) LF drivers16 × 25 mm (1 in) HF drivers |
| Frequency Range (-10 dB) | 45 Hz – 20 kHz |
| Coverage Angle | Vertical: Switchable – Narrow 25° (±10°), Broad 45° (±10°)Horizontal: 150° (±20°) |
| Nominal Impedance | 4 ohms |
| Power Rating | 1000 W continuous (4000 W peak) – 2 hrs700 W continuous (2800 W peak) – 100 hrs |
| Maximum SPL (1 m) | Narrow: Speech 125 dB / 131 dB peak, Music 121 dB / 127 dB peak Broad: Speech 124 dB / 130 dB peak, Music 120 dB / 126 dB peak |
| Sensitivity – Narrow | Speech: 98 dB @ 2.83V / 95 dB @ 2.0V (150 Hz – 8 kHz)Music: 94 dB @ 2.83V / 91 dB @ 2.0V (80 Hz – 18 kHz) |
| Sensitivity – Broad | Speech: 97 dB @ 2.83V / 94 dB @ 2.0V (100 Hz – 8 kHz)Music: 93 dB @ 2.83V / 90 dB @ 2.0V (70 Hz – 18 kHz) |
| Enclosure | Fiberglass-reinforced ABS cabinet with painted aluminum grille |
| Outdoor Capability | IP-55 rated with optional terminal cover; UV, moisture, and salt-spray resistant |
| Color Options | Black or White (-WH) |
| Insert Points | 20 total M6 insert points (8 used for coupler plate) |
| Mounting | Coupler plate joins CBT 70J-1 and 70JE-1 end-to-end; compatible with wall brackets; suspension capable |
| Dimensions (H × W × D) | 1388 × 170 × 237 mm |
| Net Weight | 20.4 kg |
| Included Accessories | Coupler plate, swivel (pan) / tilt wall-mount bracket |
| Optional Accessories | Weather panel cover, stand-mount bracket, flush-mount wall bracket |
Reviews
There are no reviews yet.