JBL SRX828S Dual 18″ Passive Subwoofer – Powerful Deep Bass for Concerts & Live Events
The JBL SRX828S Dual 18 “Passive Subwoofer is designed for sound professionals who require deep, controlled, and powerful low-frequency performance. With two premium JBL 2279 18-inch woofers, this subwoofer delivers impactful bass, achieving up to 135 dB peak SPL, making it ideal for concerts, large venues, touring systems, and high-demand installations.
Engineered for flexibility and reliability, the SRX828S works seamlessly with Crown amplifiers and dbx processors, offering factory DSP tunings for perfect system alignment. Its heavy-duty plywood cabinet, featuring a durable DuraFlex finish, ensures long-lasting performance in demanding environments—from stage tours to permanent installations.
Key Features
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Dual 18″ JBL 2279 transducers for powerful and extended low-frequency performance
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Power Handling: 4800W Peak / 2400W Program / 1200W Continuous
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Frequency Range: 30Hz – 150Hz / Frequency Response: 47Hz – 150Hz
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Maximum SPL: 135 dB (Peak) for high-output performance
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Passive design compatible with a wide range of external amplifiers
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Optimized tunings available for Crown amps and dbx processors
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Fully supported in Audio Architect for professional system integration
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Rugged, road-ready enclosure for touring and installation use
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Perfect pairing with SRX800 Series full-range loudspeakers
Specifications
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Model: JBL SRX828S
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Type: Dual 18″ Passive Subwoofer
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LF Drivers: 2 × JBL 2279 18″ woofers (8Ω each)
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Power Handling: 1200W Continuous / 2400W Program / 4800W Peak
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Frequency Range: 30Hz – 150Hz
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Frequency Response: 47Hz – 150Hz
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Max SPL: 135 dB Peak
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Nominal Impedance: 4Ω
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Amplification: Passive
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Construction: Rugged plywood cabinet with DuraFlex™ finish
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System Integration: Tunings for Crown and dbx; Audio Architect supported
FAQs
How powerful is the JBL SRX828S?
It delivers up to 4800W peak power and 135 dB peak SPL, offering strong, clean bass for concerts and significant events.
What drivers are inside this subwoofer?
It uses two JBL 2279 18″ transducers, designed for accurate low-frequency reproduction and long-term durability.
Is the SRX828S an active or passive subwoofer?
It is passive, meaning it requires an external amplifier for operation and allows more customization in system setup.
Can I use this subwoofer with Crown or dbx processors?
Yes. JBL provides factory DSP tunings for seamless integration with Crown amplifiers and dbx processors.
What type of bass performance does it offer?
It delivers deep, tight, and punchy bass from 30Hz to 150Hz, suitable for music reinforcement and live sound.
Is it suitable for both touring and fixed installations?
Yes. Its rugged DuraFlex™ enclosure makes it reliable for touring while also fitting well in permanent sound installations.
Can I pair it with other JBL SRX800 speakers?
Absolutely. It pairs perfectly with SRX812, SRX815, and SRX835, creating a balanced, powerful full-range audio system.
