Description
The JBL 3731 Three-Way Tri-Amplified ScreenArray® Cinema Loudspeaker System is designed to deliver powerful, accurate, and immersive sound reproduction for professional cinema applications. Its three-way ScreenArray® design provides maximum output, optimal coverage, and minimal distortion across the auditorium.
The system supports tri-amplified and bi-amplified operation, allowing flexible system configuration. Its low-frequency section features a 15-inch Vented Gap Cooled (VGC™) transducer with 600-watt LF power handling for dependable bass reproduction.
Featuring Second-Generation Optimized Aperture Waveguide Technology, SSC™ Screen Spreading Compensation, and Focused Coverage Technology™, the JBL 3731 delivers uniform frequency response, ultra-low distortion, and controlled sound coverage. Its shallow-depth, flat-front design simplifies installation behind cinema screens and within baffle-wall systems.
More Information
Key Features
- Three-way ScreenArray® cinema loudspeaker system
- Designed for professional cinema sound installations
- Delivers maximum output with optimal coverage
- Designed to minimize distortion
- Supports tri-amplified operation
- Supports bi-amplified operation
- Flexible amplification configuration
- Equipped with one 15-inch low-frequency transducer
- Vented Gap Cooled (VGC™) low-frequency driver technology
- 600-watt low-frequency power handling
- Second-Generation Optimized Aperture Waveguide Technology
- Designed for ultra-low distortion
- Delivers an extremely uniform frequency response
- SSC™ Screen Spreading Compensation
- Focused Coverage Technology™
- Flat-front waveguide design
- Suitable for baffle-wall installations
- Shallow-depth design
- Requires minimal space behind the cinema screen
- Low-profile construction
- Mid / high-frequency section ships fully assembled
- JBL 3731T version approved for THX®-certified applications
Technical Specification
- Brand: JBL
- Model Number: 3731
- Product Type: Three-Way Tri-Amplified ScreenArray® Cinema Loudspeaker System
- System Configuration: Three-Way Loudspeaker System
- Operating Modes: Tri-Amplified and Bi-Amplified
- THX® Certification: JBL 3731T Approved for THX®-Certified Applications
- Low-Frequency Transducer: 1 × 380 mm / 15-Inch Driver
- Low-Frequency Driver Technology: Vented Gap Cooled (VGC™)
- Low-Frequency Power Handling: 600 Watts
- Mid / High-Frequency Assembly: Ships Fully Assembled
- Waveguide Technology: Second-Generation Optimized Aperture Waveguide
- Screen Compensation Technology: SSC™ Screen Spreading Compensation
- Coverage Technology: Focused Coverage Technology™
- Waveguide Design: Flat-Front Waveguide
- Installation Type: Baffle-Wall Compatible
- Enclosure Profile: Low-Profile, Shallow-Depth Design
- Recommended Application: Professional Cinema Sound Installations







