JBL Control 18C/T Two-Way 8-Inch Coaxial Ceiling Loudspeaker – High-Output, Full-Range Performance
The JBL Control 18C/T is a professional two-way 8-inch ceiling loudspeaker engineered for high-quality sound in commercial, hospitality, and public environments. Its 8-inch polypropylene cone driver and 1-inch liquid-cooled soft-dome tweeter deliver smooth, full-range audio with outstanding clarity—ideal for music playback, paging, and high-traffic spaces that demand premium audio consistency.
With a wide frequency response of 58 Hz – 20 kHz and a sensitivity of 92 dB, the Control 18C/T offers high SPL capability without distortion, making it suitable for medium- to high-volume applications. The integrated backcan, dual conduit/cable clamps, and support for 70V/100V and 8Ω operation ensure fast installation and system flexibility. Available in white or black, it blends cleanly into any architectural environment.
Key Features
- Two-Way Full-Range System – 8-inch LF driver + 1-inch liquid-cooled soft-dome tweeter.
- Wide Frequency Response – 58 Hz – 20 kHz for rich lows, clear mids, and detailed highs.
- High Sensitivity (92 dB) – Delivers strong output with reduced amplifier load.
- Flexible Power Options – 90W at 8Ω or 60W multi-tap on 70V/100V lines.
- Integrated Backcan – Speeds up installation and improves consistency across ceiling layouts.
- 90° Coverage Pattern – Even sound distribution across large areas.
- Durable Build – UV-resistant, UL94-V0 baffle, available in white or black.
- Easy Wiring – Dual conduit/cable clamps for installer convenience.
Specifications
| Specification | Details |
| LF Driver | 8-inch (200 mm) polypropylene cone |
| HF Driver | 1-inch (25 mm) liquid-cooled soft-dome tweeter |
| Frequency Response | 58 Hz – 20 kHz |
| Power Handling | 90W (8Ω nominal) |
| Transformer Taps | 60W @ 70V/100V multi-tap |
| Sensitivity | 92 dB (1W/1m) |
| Coverage Pattern | 90° |
| Impedance | 8Ω or 70V/100V |
| Installation | Integrated backcan with dual cable clamps |
| Material | UV-resistant, paintable UL94-V0 baffle |
| Color Options | White (standard) / Black (-BK) |
| Dimensions | 8.2” (208 mm) diameter × 5.3” (135 mm) depth |
| Weight | 4.6 lbs (2.1 kg) |
Frequently Asked Questions
What makes the JBL Control 18C/T suitable for high-volume environments?
Its 92 dB sensitivity and robust two-way design allow it to maintain clarity at higher volumes, making it ideal for cafés, airports, and large public areas.
Is the installation of this speaker complicated?
Not at all. The integrated backcan and dual cable clamps simplify wiring, reduce labor time, and ensure a secure, consistent installation every time.
Can the Control 18C/T operate in both low impedance and 70V/100V systems?
Yes, it is designed for dual operation, offering 90W at 8Ω or 60W multi-tap settings for commercial distributed audio systems.
How does the frequency response benefit the audio quality?
The wide 58 Hz – 20 kHz response ensures full-range performance, giving you strong low-end presence, smooth midrange, and detailed high frequencies.
Is this model suitable for paging and announcements?
Absolutely. The coaxial driver design produces excellent speech intelligibility, making it suitable for paging and voice alerts in high-traffic areas.
Does the speaker blend well with interiors?
Yes, its paintable UL94-V0 baffle and choice of white or black allow it to match commercial ceilings seamlessly.
Can this speaker handle continuous operation in busy venues?
Yes, the liquid-cooled tweeter, durable back can, and high-quality components are designed for continuous daily use.
Is a backcan included with the speaker?
Yes, the integrated backcan comes built-in, unlike many ceiling speakers that require a separate backcan purchase.
