JBL ASB7128 Dual 18" Ultra High-Power Passive Subwoofer with Dual 2269H Differential Drive® Vented Gap™ Woofers, Multiplywood Enclosure, White Finish, (ASB7128-WH)

JBL ASB7128 Dual 18" Ultra High-Power Passive Subwoofer with Dual 2269H Differential Drive® Vented Gap™ Woofers, Multiplywood Enclosure, White Finish (ASB7128-WH)

The JBL ASB7128-WH is an ultra high-power dual 18-inch passive subwoofer designed for professional sound reinforcement systems that require extreme low-frequency output, exceptional efficiency, and long-term reliability. Featuring dual JBL 2269H Differential Drive® Vented Gap™ woofers, the ASB7128-WH delivers deep, powerful bass with outstanding transient response, high power handling, and remarkably low distortion, making it ideal for the most demanding installed and live sound applications.

The dual 2269H low-frequency transducers incorporate JBL’s advanced Differential Drive® technology, utilizing dual voice coils and dual magnetic gaps to improve efficiency while reducing overall driver weight. Combined with JBL’s Vented Gap™ cooling technology, the system provides superior heat dissipation and thermal stability, ensuring consistent low-frequency performance even during extended high-output operation.

Constructed from rugged multiplywood and finished in white, the ASB7128-WH is particularly suited for architecturally sensitive environments where visual aesthetics are as important as acoustic performance. It is an ideal solution for houses of worship, performing arts centers, theaters, convention facilities, hospitality venues, arenas, stadiums, and large-scale professional audio installations.

Features:

• Ultra high-power dual 18" passive subwoofer system
• White finish for seamless architectural integration
• Dual JBL 2269H Differential Drive® Vented Gap™ woofers
• Advanced Differential Drive® dual voice coil technology
• Dual magnetic gap motor structure for enhanced efficiency
• Vented Gap™ cooling system for superior thermal management
• Deep, powerful low-frequency reproduction
• Extreme high-output performance for professional sound reinforcement
• Extended bass response with exceptional transient accuracy
• Reduced distortion at very high sound pressure levels
• High power handling capability for demanding applications
• Lightweight motor design compared to conventional transducer systems
• Rugged multiplywood enclosure construction
• Durable finish suitable for permanent installations
• Optimized for fixed installation and touring sound systems
• Exceptional efficiency and acoustic output
• Reliable operation during prolonged high-power use
• Designed for large venue low-frequency reinforcement
• Suitable for concert venues, arenas, and stadiums
• Ideal for theaters, performing arts centers, and houses of worship
• Excellent choice for convention centers and hospitality facilities
• Supports integration with JBL full-range loudspeaker systems
• Provides impactful sub-bass performance for live music applications
• Enhances multimedia and presentation systems with powerful low-frequency support
• JBL-engineered components ensure long-term reliability
• Designed for use with professional amplifiers and DSP processing systems
• High-strength enclosure minimizes unwanted resonance and vibration
• Delivers clean, accurate low-frequency reproduction
• Suitable for standalone deployment or large subwoofer arrays
• Professional-grade solution for installed and touring sound systems
• Provides consistent low-frequency coverage across large audience areas
• Built to JBL Professional standards for performance and durability
• Ideal for high-energy music reinforcement and live event production
• Supports modern large-format professional audio system designs
• Engineered for maximum acoustic output and efficiency
• Excellent low-frequency extension for music, cinema, and multimedia applications
• Delivers powerful bass impact without sacrificing clarity or definition
• Reliable solution for mission-critical sound reinforcement environments
• Integrates seamlessly into advanced JBL Professional sound systems
• Designed to meet the demands of modern entertainment and performance venues
• Provides exceptional bass performance for large-scale professional installations
• Combines premium JBL transducer technology with rugged enclosure construction
• Optimized for high-output, low-distortion subwoofer performance
• Delivers consistent, powerful low-frequency reinforcement for demanding professional audio applications
• Ideal for venues requiring extreme bass output, exceptional reliability, architectural aesthetics, and long-term operational performance
• Professional subwoofer solution for concert touring, installed audio, houses of worship, stadium sound, and large-format reinforcement systems
• Engineered to provide maximum low-frequency impact while maintaining JBL’s renowned sound quality and system reliability
• Perfect for installations where premium acoustic performance and discreet visual integration are equally important