JBL SRX828S Dual 18" Passive Subwoofer System with 141dB Maximum SPL, Stackable Design, and Cardioid Configuration Support for Touring and Installed Applications (SRX828S)

JBL SRX828S Dual 18" Passive Subwoofer System with 141dB Maximum SPL, Stackable Design, and Cardioid Configuration Support for Touring and Installed Applications (SRX828S)

The JBL SRX828S is a professional dual 18-inch passive subwoofer system designed to deliver extremely powerful, deep, and controlled low-frequency reinforcement for touring, live performances, large-scale events, and permanent installations. Featuring dual 18-inch Differential Drive® low-frequency woofers, 141dB maximum SPL output, a stackable enclosure design, and support for cardioid subwoofer configurations, the SRX828S provides exceptional bass impact, efficiency, and flexibility for advanced professional sound systems.

The dual 18-inch driver configuration delivers massive low-frequency output with extended bass response and high power handling capability. Engineered for demanding applications, the SRX828S provides the low-end authority required for concerts, festivals, theaters, and large venues while maintaining accurate and controlled bass reproduction.

The SRX828S supports cardioid bass configurations, allowing sound professionals to reduce unwanted low-frequency energy behind the subwoofer array and improve directional control. This makes it an ideal solution for applications where improved stage clarity, reduced feedback, and enhanced audience coverage are required.

With its stackable enclosure design and rugged professional construction, the JBL SRX828S offers flexible deployment options for touring and installed sound reinforcement systems. Its passive design allows integration with external amplifiers and professional system processors, providing engineers with complete control over system performance.

Features:

• JBL SRX800 Series professional passive subwoofer system
• Dual 18" Differential Drive® low-frequency woofers
• 141dB maximum SPL output
• Extremely powerful low-frequency reinforcement
• Extended bass response with high-output performance
• Supports cardioid subwoofer configurations
• Improved directional control of low-frequency energy
• Helps reduce rear-stage bass buildup
• Stackable enclosure design for flexible deployment
• Passive configuration for use with external amplifiers
• Designed for touring and installed applications
• High-efficiency professional subwoofer performance
• Powerful and accurate bass reproduction
• Enhances full-range loudspeaker system performance
• Professional JBL sound quality
• Rugged enclosure construction for demanding environments
• Durable design for touring, rental, and permanent installations
• Flexible system configuration options
• Easy integration into professional PA systems
• Suitable for concerts and festivals
• Ideal for touring productions
• Excellent for large venues and entertainment spaces
• Suitable for theaters and performance halls
• Ideal for houses of worship
• Designed for rental companies and production professionals
• Provides deep, impactful, and controlled low-frequency output
• Reliable performance for high-demand sound reinforcement applications
• Built to JBL Professional standards
• Engineered for durability and long-term reliability
• Delivers powerful, precise, and dynamic bass performance
• Professional dual 18-inch passive subwoofer solution for touring, installation, and large-scale live audio applications.