JBL SRX928S Dual 18" 2500W Powered Subwoofer

Overview

The JBL JBL-P3243MX is a dual 18 inch powered subwoofer designed to deliver deep and clean bass for professional audio applications such as concerts, clubs, and fixed installations. With a powerful 2500-watt Class D amplifier and onboard DSP, it maintains solid and punchy low frequencies even during demanding mixes. Its robust design and advanced technology ensure consistent performance throughout long events.

Key features

• Dual 18 inch JBL Differential Drive woofers that efficiently manage heat and provide a wide dynamic range for reliable bass performance.
• Integrated Class D amplifier with 2500 watts of power and onboard DSP for precise control over crossover, delay, and limiting without external processors.
• Rear-panel LCD screen offers quick access to presets and system settings, simplifying setup and adjustments on the fly.
• Compatible control software available for Windows, macOS, and iPadOS, allowing detailed tuning from laptops or tablets.
• Supports both omnidirectional and cardioid array configurations to tailor bass coverage for various stage and venue requirements.
• Advanced airflow cabinet design reduces turbulence and distortion, enabling drivers to move freely and deliver clear bass.
• Seamless integration with SRX900 full-range loudspeakers for scalable sound systems that can be ground-stacked or flown.
• Cabinet dimensions and weight are optimized for transport and handling, fitting easily into truck packs and manageable by two crew members.

Key specs

• Drivers: Dual 18 inch JBL Differential Drive woofers
• Amplifier power: 2500 watts Class D
• Cabinet dimensions: 22.2 inches high x 47.4 inches wide x 26.8 inches deep
• Weight: 155 pounds
• Control interface: Rear-panel LCD with presets and system settings
• Software compatibility: Windows, macOS, iPadOS
• Array configurations: Omnidirectional and cardioid supported

Connectivity and compatibility

This subwoofer is designed to integrate smoothly with JBL SRX900 full-range loudspeakers, creating a coherent and scalable sound system. Its onboard DSP and software control allow it to fit into a variety of professional audio setups, from touring rigs to fixed installations. The flexible array configurations make it adaptable to different venue acoustics and stage layouts.

Performance and reliability

The Differential Drive technology inside each woofer efficiently dissipates heat, which helps maintain consistent performance during extended use. The cabinet’s airflow design minimizes distortion and turbulence, ensuring the bass remains clean and powerful. This makes the subwoofer a dependable choice for demanding live sound environments where clarity and impact are critical.

Ideal uses and environments

The JBL-P3243MX is well suited to touring sound companies, houses of worship, theaters, and event production teams that require robust bass reinforcement. Its size and weight make it practical for transport and setup by experienced crews, while its power and control features support a wide range of venues from small clubs to large outdoor events. It works well in systems that need both ground-stacked and flown subwoofer configurations.