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( 07 / 07 )JBLASB4128 · ASB4128
JBL ASB4128 Dual18" Subwoofer(Black)
R 96 430
Limited availabilityQuantity
1
R 96 430
12 monthly paymentsfrom R 8 036 / month
Illustrative estimate. Final payment terms are confirmed at checkout.Delivered byThursday, 17 September
Estimated from today, excluding weekends.JBL ASB4128 - Dual 18" Subwoofer (Black)
The JBL ASB4128 is a professional-grade dual 18-inch subwoofer delivering powerful, accurate bass for demanding sound reinforcement and permanent installations. Perfect for large venues, it offers exceptional low-frequency performance and rugged durability.
Key Features
- Dual 2269H Differential Drive® low-frequency drivers for robust bass response
- Frequency response: 28 Hz to 2 kHz
- Power handling: 2400W continuous
- Durable enclosure made from high-quality birch plywood with rugged DuraFlex™ coating
- Integrated handles and mounting points for flexible installation (flown or ground-stacked)
- Optimised compatibility with JBL full-range systems, Crown amplifiers, and JBL digital system controllers
- Designed for large-scale environments such as concert halls, theatres, clubs, and stadiums
Specifications
- Model: JBL ASB4128
- Drivers: Two 2269H Differential Drive® low-frequency drivers
- Frequency Response: 28 Hz – 2 kHz
- Power Handling: 2400W continuous
- Enclosure: High-quality birch plywood with DuraFlex™ coating
- Installation: Supports flown or ground-stacked configurations
( Specifications )
| Nominal Impedance | 4 Ohms |
| Recommended Amplifier Power | 4000 W to 8000 W @ 4 Ohms |
| Air Volume (Net Internal) | 417 liters |
| Application | Installed sound, theaters, clubs, performing arts |
| Arrayability | Yes, with optional hardware |
| Box Tuning Frequency | 31 Hz |
| Brand | JBL |
| Certifications | RoHS compliant |
| Color | Black |
| Connector Pin Assignments | +1/-1 Input, +2/-2 Thru |
| Crossover Frequency | 100 Hz (typical, external) |
| Date Introduced | 2007 |
| Enclosure Construction | Tongue & groove assembly |
| Enclosure Material | Plywood |








