JBL Cbt 70JE-1-WH Extension For Cbt 70J-1 Column Spk, Wht B-Stock
In stock
- SKU
- CBT-70JE-1-WH-B
Description
JBL CBT 70JE-1-WH Extension For CBT 70J-1 Column Speaker, White
The CBT 70JE-1-WH is a purpose-built extension module that stacks directly onto the CBT 70J-1 column speaker, adding 70 cm of vertical coverage without requiring separate mounting infrastructure. This extension preserves the column's tight directional control while expanding throw distance and audience coverage, making it ideal for permanent installations, houses of worship, and venues where vertical stack arrays deliver consistent coverage across multiple zones.
Acoustic Performance
Built with four 125 mm (5 in) high-power LF drivers featuring dual magnet neodymium motors and 38 mm (1.5 in) voice coils, the extension delivers 500W power handling at 8 ohms impedance with extended bass response to 45 Hz. The extended pattern control extends to 400 Hz for ±20° control and to 200 Hz for substantial off-axis cancellation, ensuring tight beam control across the audio spectrum.
Build & Environmental Durability
The fiberglass-reinforced ABS enclosure with coated diaphragm materials resists moisture, UV exposure, and salt spray for outdoor or harsh indoor environments. Achieving IP-55 rating when installed with the optional MTC-PC2 panel cover, the extension withstands 200-hour ASTM G85 acid-air/salt-spray testing, making it suitable for marine, coastal, and demanding outdoor venues.
Key Features
- Four 125 mm (5 in) high-power LF drivers
- Dual magnet neodymium motors with 38 mm (1.5 in) voice coils
- 16 mm (0.63 in) long coils for enhanced driver geometry
- 500W power handling capacity
- 8 ohms impedance
- Extended bass response to 45 Hz
- Extended pattern control to 400 Hz for ±20° control
- Substantial off-axis cancellation to 200 Hz
- 70 cm tall extension module
- Linking bracket included for CBT 70J-1 integration
- Coupler plate with twelve M6 mounting points for eyebolts or swivel clips
- IP-55 rated with optional MTC-PC2 panel cover; UV and salt-spray resistant
The CBT 70JE-1-WH extends the proven column array platform with professional-grade directional control, environmental resilience, and straightforward mechanical coupling.
More Information
| Condition | Refurbished |
|---|
Reviews
At a Glance
The JBL CBT 70JE-1-WH is a stackable column extension designed to expand vertical coverage and throw distance in large-space installations rather than studio recording or mixing environments. Its extended bass response to 45 Hz and tight directional pattern control make it suited for permanent venue and installation work, not home recording. This is a live-sound and fixed-installation product; it does not apply to tracking, overdubbing, or mixing workflows.
Who This Is For
Great for
- ✓ houses of worship
- ✓ permanent installations
- ✓ venue coverage
- ✓ live sound reinforcement
Not the best pick for
- – portable applications
- – intimate acoustic settings
- – home use
Skill level: Professional
Frequently Asked Questions
What does B-Stock mean for this extension?
B-Stock means the unit is fully functional and acoustically identical to new, but may have minor cosmetic imperfections from open-box, return, or light floor display use. All mechanical and electrical performance is unaffected.
How does this extension mount to the CBT 70J-1?
The extension couples directly to the CBT 70J-1 using the included linking bracket and a coupler plate with twelve M6 mounting points for eyebolts or swivel clips. No separate rigging infrastructure is required.
What environments can this extension handle?
The fiberglass-reinforced ABS enclosure with coated diaphragms resists moisture, UV, and salt spray, achieving IP-55 rating with the optional MTC-PC2 panel cover. It passes 200-hour ASTM G85 salt-spray testing, making it suitable for marine, coastal, and demanding outdoor venues.
What is the bass response and frequency control of this extension?
The extension delivers extended bass response to 45 Hz with 500W power handling at 8 ohms impedance. Extended pattern control reaches 400 Hz for ±20° directional control and 200 Hz for substantial off-axis cancellation.
Is this extension suitable for portable or temporary applications?
No; this extension is engineered for permanent installations, fixed venues, and large-space coverage arrays. It is not designed for portable or temporary deployments.
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