JBL Control 424C/T - 4" CRBI Equipped Coaxial Ceiling speakers (pair)

The JBL Professional Control 424C/T (model JBL-C424C/T) is a high-performance, two-way coaxial ceiling loudspeaker designed for commercial installations such as conference rooms, retail spaces, restaurants, and educational facilities.

 Key Features

• Drivers: Equipped with a 4" (100 mm) polypropylene woofer and a 0.75" (19 mm) soft-dome tweeter.​

• CRBI™ Technology: JBL's Coplanar Radiation Boundary Integrator (CRBI™) ensures consistent 130° conical coverage, delivering smooth and even sound throughout the listening area. ​

• Power Handling:

  • 60W continuous (240W peak) for short-term use.

  • 40W continuous (160W peak) for long-term use.

  • 120W continuous program power. ​

• Frequency Response: 75 Hz – 18 kHz (-10 dB), ensuring full-range audio reproduction

• Transformer Taps:

  • 70V: 30W, 15W, 7.5W, 3.7W

  • 100V: 30W, 15W, 7.5W

  • Includes a 16-ohm bypass for low-impedance applications.

• Sensitivity: 85 dB SPL (average 100 Hz – 10 kHz).

• Maximum SPL: 103 dB continuous, 109 dB peak.​

• Design:

  • Bezel-less, paintable magnetic grille for a sleek appearance.

  • Integrated backcan suitable for plenum spaces.

  • Redesigned dogears accommodate various ceiling thicknesses.

  • Top and side cable entry ports for flexible installation.

  • IP33-rated for environmental protection.

 What's Included

• Control 424C/T speaker

• Paintable magnetic grille

• C-ring and support rails for secure installation

• Safety tether for grille