jbl ceiling speaker CONTROL 328CT
The JBL Control 328CT is an 8-inch coaxial ceiling speaker designed for high-quality sound in commercial and professional installations. It features a powerful woofer and compression driver combination, delivering clear speech and rich music reproduction. With wide 120° coverage, high sensitivity, and 250-watt power handling, it provides consistent, high-output performance. Its integrated transformer allows use in 70V/100V systems, and it’s compatible with optional accessories like backcans and grilles for flexible installation.
full specifications jbl ceiling speaker CONTROL 328CT
Here are the full specifications of the JBL Control 328CT ceiling speaker:
General
-
Model: JBL Control 328CT
-
Type: 8″ 2-way coaxial ceiling loudspeaker
-
Mounting: Ceiling
-
Color: White
-
Safety Compliance: UL1480, UL2043, NFPA90, NFPA70 (with backcan)
Drivers
-
Low-Frequency Driver: 8″ (200 mm) Kevlar-reinforced cone with 2″ (50 mm) voice coil
-
High-Frequency Driver: 1″ (25 mm) compression driver
Acoustic Performance
-
Frequency Response (±3 dB): 60 Hz – 16 kHz
-
Frequency Range (-10 dB): 45 Hz – 18 kHz
-
Coverage Pattern: 120° conical
-
Sensitivity: 93 dB (2.83V @ 1m)
-
Maximum SPL: 118 dB continuous / 124 dB peak
-
Directivity Index (DI): 8.5 dB
-
Q (Directivity Factor): 7.0 (avg 1 kHz – 16 kHz)
Power Handling
-
Long-Term Power Handling: 250W continuous (1000W peak), 2 hours
-
Short-Term Power Handling: 150W continuous (600W peak), 100 hours
-
Crossover Frequency: 1.9 kHz
-
Crossover Slope: 3rd order high-pass, 2nd order low-pass
Transformer Taps
-
70V: 8.5W, 17W, 34W, 68W
-
100V: 17W, 34W, 68W
Connectivity
-
Input Connector: Removable locking connector with screw terminals
-
Max Wire Size: 12 AWG
Physical
-
Baffle Diameter: 12″ (305 mm)
-
Depth (from back of baffle): 8.6″ (218 mm)
-
Weight: 12 lbs (5.4 kg)
Reviews
Clear filtersThere are no reviews yet.