JBL SRX828S Dual 18” Passive Subwoofer – 135dB Peak SPL, Crown Tuned
The JBL SRX828S Dual 18″ Passive Subwoofer is a high-performance low-frequency system built for concerts, live events, and professional installations that demand deep, accurate, and powerful bass. Featuring two JBL 2279 18″ premium transducers, this subwoofer delivers exceptional low-end impact with up to 135 dB peak SPL and 4800W peak power handling.
Designed for reliability and flexibility, the SRX828S integrates seamlessly with Crown amplifiers and dbx signal processors, featuring factory tunings for optimal system performance. Fully supported in HARMAN’s Audio Architect software, it allows for advanced system configuration and monitoring. Its rugged, tour-ready enclosure ensures durability in demanding conditions, making it a favorite among sound professionals and touring engineers.
Key Features
-
Dual 18″ JBL 2279 transducers for powerful and extended low-frequency performance
-
Power Handling: 4800W Peak / 2400W Program / 1200W Continuous
-
Frequency Range: 30Hz – 150Hz / Frequency Response: 47Hz – 150Hz
-
Maximum SPL: 135 dB (Peak) for high-output performance
-
Passive design compatible with a wide range of external amplifiers
-
Optimized tunings available for Crown amps and dbx processors
-
Fully supported in Audio Architect for professional system integration
-
Rugged, road-ready enclosure for touring and installation use
-
Perfect pairing with SRX800 Series full-range loudspeakers
Specifications
-
Model: JBL SRX828S
-
Type: Dual 18″ Passive Subwoofer
-
LF Drivers: 2 × JBL 2279 18″ woofers (8Ω each)
-
Power Handling: 1200W Continuous / 2400W Program / 4800W Peak
-
Frequency Range: 30Hz – 150Hz
-
Frequency Response: 47Hz – 150Hz
-
Max SPL: 135 dB Peak
-
Nominal Impedance: 4Ω
-
Amplification: Passive
-
Construction: Rugged plywood cabinet with DuraFlex™ finish
-
System Integration: Tunings for Crown and dbx; Audio Architect supported
Frequently Asked Questions (FAQs)
1. How powerful is the JBL SRX828S?
The SRX828S delivers 1200W continuous, 2400W program, and 4800W peak power, producing clean and consistent low-end frequencies for large venues and events.
2. What kind of drivers are used in the SRX828S?
It features two JBL 2279 18″ low-frequency transducers, known for their superior sound accuracy, high output, and durability.
3. Is the SRX828S active or passive?
The SRX828S is a passive subwoofer, meaning it requires an external amplifier to operate, providing more flexibility for custom audio setups.
4. How does it integrate with Crown and dbx products?
JBL provides factory DSP tunings for Crown amplifiers and dbx signal processors, ensuring optimal crossover points, EQ, and protection settings.
5. What kind of bass performance does it deliver?
With a frequency range of 30Hz–150Hz and 135 dB peak SPL, the SRX828S produces tight, deep, and powerful bass suitable for high-impact live performances.
6. Is the SRX828S suitable for portable and fixed installations?
Yes. Its rugged, DuraFlex™-coated enclosure and versatile design make it ideal for both touring use and permanent installations.
7. Can it be paired with other JBL SRX800 Series speakers?
Absolutely. It pairs perfectly with SRX812, SRX815, and SRX835 full-range speakers, forming a complete, professional-grade sound system with outstanding balance and depth.
