JBL SRX818S 18" Passive Subwoofer System with M20 Pole Cup, Stackable Design, and 136dB Maximum SPL for Touring and Installed Applications (SRX818S)

JBL SRX818S 18" Passive Subwoofer System with M20 Pole Cup, Stackable Design, and 136dB Maximum SPL for Touring and Installed Applications (SRX818S)

The JBL SRX818S is a professional 18-inch passive subwoofer system designed to deliver powerful, deep, and controlled low-frequency reinforcement for touring, live performances, installations, and professional sound reinforcement applications. Featuring a high-performance 18-inch Differential Drive® low-frequency woofer, M20 pole cup, stackable enclosure design, and 136dB maximum SPL output, the SRX818S provides exceptional bass performance, flexibility, and reliability for demanding audio environments.

The subwoofer is engineered to extend the low-frequency capabilities of JBL SRX Series full-range loudspeakers, delivering enhanced bass depth, impact, and dynamic response. Its 18-inch driver provides high-output low-frequency reproduction with excellent efficiency, making it ideal for applications requiring powerful and accurate bass reinforcement.

The JBL SRX818S features a professional enclosure design with integrated stacking capability and an M20 pole cup for convenient system configuration. This allows users to create flexible PA setups by pairing the subwoofer with compatible full-range loudspeakers for optimized sound coverage and performance.

Built for the demands of touring and installed applications, the SRX818S features rugged construction and professional-grade components for long-term reliability. It is an ideal choice for concert venues, rental companies, mobile production teams, houses of worship, and audio professionals requiring powerful subwoofer performance.

Features:

• JBL SRX800 Series professional passive subwoofer system
• 18" Differential Drive® low-frequency woofer
• Powerful low-frequency reinforcement for professional PA systems
• 136dB maximum SPL output
• Extended bass response with deep and impactful low-end performance
• Designed for touring and installed applications
• M20 pole cup for full-range speaker mounting
• Stackable enclosure design for flexible system deployment
• Passive configuration for use with external amplifiers
• High-output performance for demanding sound environments
• Enhances JBL full-range loudspeaker systems
• Accurate and controlled bass reproduction
• Professional JBL sound quality
• Rugged enclosure construction for touring use
• Durable design for rental and installation applications
• Flexible system configuration options
• Easy integration into professional sound reinforcement setups
• Suitable for concerts and live performances
• Ideal for touring productions
• Excellent for DJs and mobile entertainers
• Suitable for clubs and entertainment venues
• Ideal for theaters and performance spaces
• Excellent for houses of worship
• Designed for rental companies and production teams
• Provides powerful bass extension for large PA systems
• Reliable performance in demanding environments
• Built to JBL Professional standards
• Engineered for durability and consistent operation
• Delivers powerful, precise, and dynamic low-frequency output
• Professional 18-inch passive subwoofer solution for touring, installation, and live sound applications.