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Control 424C/T 4" CRBI™-Equipped Two-Way Coaxial Ceiling Loudspeaker

Control 424C/T 4" CRBI™-Equipped Two-Way Coaxial Ceiling Loudspeaker

The JBL Control 424C/T is a two-way coaxial ceiling loudspeaker, featuring a 4” woofer and integrated enclosure that is ideal for installation in most ceiling plenum spaces. Integrated CRBI™ technology provides 130° of consistent, full, rich sound to the listening area. A full-face magnetic grille blends seamlessly with modern decors and optional black and square grilles are available. Mechanical improvements include redesigned terminal covers with top and side cable entry ports and an extremely reliable new dogear design that works with a wide range of ceiling thicknesses. The JBL Control 424C/T includes a transformer to support both 70V/100V and low impedance applications.

Features

  • Coaxially mounted 100 mm (4 in) woofer and 19 mm (0.75 in) soft-dome tweeter
  • Integrated enclosure that is ideal for installation in most ceiling plenum spaces
  • CRBI™ technology for consistent 130° coverage across the listening area
  • Built-in 70V/100V multi-tap transformer, plus 16-ohm direct input
  • Full-face, easily paintable magnetic grilles
  • Top and side exit cable entry options
  • Robust and adaptable dogears for wide range of ceiling thicknesses
  • IP33 rated
Specification
  • Frequency Range (-10 dB)75 Hz – 18 kHz
    Power Capacity120 W Continuous Program (2 hrs)
    60 W (240 W Peak), Continuous Pink Noise (2 hrs)
    40 W (160 W Peak) Continuous Pink Noise Power (100 hrs)
    Sensitivity85 dB
    Coverage Angle130° conical
    Maximum SPL (1m)103 dB continuous pink noise (109 dB peak)
    Nominal Impedance16 ohms
    Transformer Taps70 V: 30 W, 15 W, 7.5 W & 3.7 W 100 V: 30 W, 15 W, 7.5 W
    LF Driver100 mm (4 in)
    HF Driver19 mm (0.75 in)
    Dimensions182 mm (7.2 in) H x 196 mm (7.7 in) dia. 173 mm (6.8 in) from bottom of ceiling tile to top of backcan (with wire exit positioned on side of backcan).
    Ceiling Cutout Size168 mm (6.6 in)
    Safety Agency RatingSuitable for use in air handling spaces per UL1480A, UL2043, NFPA90 & NFPA70, S7232/UL Listing, Speakers for Commercial and Professional Use. Listed per CSA C22.2, no. 205 Signal Equipment. In accordance with IEC60849/ EN60849.
    EnvironmentalExceeds Mil Spec 810H for humidity, salt spray, temperature & UV. IP33 rating per EN/IEC 60529 against solid object and water ingress. Compliant with RoHS2 per EN/IEC63000. Operating temperature 0°C to 45°C
    Optional AccessoriesJBL-MTC-424BG black (RAL9004) magnetic round grille JBL-MTC-424SG white (RAL9003) magnetic square grille JBL-MTC-424NC new construction bracket JBL-MTC-424MR mud-ring construction bracket
    ColorStock grille is white (RAL9003), paintable.
    Net Weight (each)2.8 kg (6.2 lbs)
    Shipping Weight (pair packed in carton)10.5 kg (23.1 lbs)
    SKU NumbersJBL-C424C/T
Technical specification
  • Unique ref.control-424c-t-coaxial-ceiling-loudspeaker
  • Product familyInstalled Sound
  • Product groupCeiling Speakers
  • TypeObject (single object)
  • Date of publishing2025-03-14
  • Edition number1
Related
  • Designed inUnited States
  • Manufactured inUnited States
Classification
  • BIMobject CategoryElectronics - Audio
  • IFC classificationObject
  • ETIM CodeEC000682
  • ETIM NameLoudspeaker set
  • Uniclass 2015 CodePr_70_75_36_50
  • Uniclass 2015 DescriptionLoudspeakers
  • CSI MasterFormat 2014 Code11 52 00
  • CSI MasterFormat 2014 TitleAudio-Visual Equipment
  • OmniClass Number23-37 15 29 11 13
  • OmniClass TitleLoudspeakers

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States