JBL Control 424LP 4" Low-Profile Coaxial Ceiling Speaker
The JBL Control 424LP is a premium two-way coaxial ceiling loudspeaker designed specifically for applications where ceiling plenum space is restricted. Featuring a 4-inch woofer and JBL's exclusive CRBI™ (Coplanar Radiation Boundary Integrator) technology, this low-profile speaker delivers exceptional sound quality with 130° of consistent, full coverage throughout the listening area. The Control 424LP produces the same rich sound character as the standard Control 424C/T model but in a shallower form factor, making it the ideal choice for modern commercial installations with limited above-ceiling clearance, including retail spaces, restaurants, conference rooms, and educational facilities.
Engineered for both performance and aesthetics, the Control 424LP incorporates a full-face magnetic grille that blends seamlessly with contemporary interior designs, available in standard white with optional black and square grille accessories. Installation features include redesigned terminal covers with both top and side cable entry options, captive hand screws for tool-free securing, and a reliable dogear mounting system that accommodates various ceiling thicknesses. With its built-in multi-tap transformer supporting both 70V/100V distributed systems and 16-ohm direct operation, the Control 424LP provides exceptional installation flexibility while reducing on-axis hot spots and off-axis cold spots for an improved listening experience throughout the coverage area.
Key Features
- Low-Profile Design: Under 100mm (4 inches) deep enclosure perfect for installations with restricted ceiling plenum space
- CRBI™ Technology: Delivers smooth, consistent 130° coverage across the listening area with reduced hot spots and cold spots
- Premium Audio Quality: 4-inch woofer with coaxially mounted tweeter provides full, rich sound reproduction
- Versatile Connectivity: Built-in 70V/100V multi-tap transformer plus 16-ohm direct input for maximum installation flexibility
- Elegant Aesthetics: Full-face magnetic grille blends seamlessly with modern interior designs
- Flexible Installation: Redesigned terminal covers with top and side cable entry ports secured without tools
- Enhanced Coverage: Wider dispersion pattern requires fewer speakers to cover a given area, reducing system costs
- Consistent Sound Character: Matches the sonic profile of standard Control 424C/T for mixed installations based on ceiling depth requirements
Technical Specifications
- Speaker Type: Two-way coaxial ceiling loudspeaker with low-profile enclosure
- Woofer Size: 4-inch (100mm)
- Coverage Pattern: 130° conical coverage
- Enclosure Depth: Less than 4 inches (100mm) deep
- Impedance: 16-ohm direct operation
- Transformer: Built-in multi-tap transformer for 70V/100V operation
- Mounting System: Captive dogear design compatible with various ceiling thicknesses
- Safety Features: Grille equipped with safety tethers mounting directly into the baffle
Package Contents
- JBL Control 424LP Ceiling Speaker
- White rounded grille
- C-ring
- Tile rails for installation
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