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JBL Control 424LP 4" Passive 2-Way Coaxial Ceiling-Mounted Loudspeaker (Pair)

BH #JBLC424LP • MFR #JBL-C424LP
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JBL Control 424LP 4" Passive 2-Way Coaxial Ceiling-Mounted Loudspeaker (Pair)
Key Features
  • For Installed Sound in Commercial Spaces
  • Low-Profile Enclosure for Minimal Space
  • 4" Woofer and 0.75" Soft-Dome Tweeter
  • 60W RMS, 240W Peak Power Handling
Provide your commercial spaces with powerful 2-way sound and a sleek look with the Control 424LP from JBL, a ceiling-mounted, low-profile loudspeaker for restricted plenum spaces with a 4" woofer and a coaxially mounted 0.75" soft-dome tweeter. With up to 240W peak power handling and JBL-exclusive CRBI tech for highly consistent coverage, this loudspeaker can handle a wide range of spaces.
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JBL Control 424LP Overview

Provide your commercial spaces with powerful 2-way sound and a sleek look with the Control 424LP from JBL, a ceiling-mounted, low-profile loudspeaker for restricted plenum spaces with a 4" woofer and a coaxially mounted 0.75" soft-dome tweeter. With up to 240W peak power handling and JBL-exclusive CRBI tech for highly consistent coverage, this loudspeaker can handle a wide range of spaces.

The 30W multitap transformer supports 70 or 100V operation for distributed systems, or the transformer can be bypassed for direct, high-impedance 16-ohm operation. In 16-ohm mode the loudspeaker can be paralleled with up to four speakers (on a 4-ohm rated amp channel). The loudspeaker offers an extremely wide 130° conical coverage angle, which when combined with the CRBI tech, allows you to use fewer speakers in installations. Connectivity is via 2-pin block connectors, and the dog-ears sport top and side cable entry options for a flush look. Stylish and refined, this subwoofer is designed to fit well in modern spaces and features a magnetically attached bezel-free grille. An IP33 rating ensures solid protection from dust and light water sprays, enabling use in a wide range of environments. The Control 424LP includes a white rounded grille, a C-ring, and tile rails for fast installation.

Low-Profile Design for Tight Spaces
The low-profile back can extends less than 4" deep above the ceiling, allowing placement in especially shallow above-ceiling (plenum) spaces. The wide-diameter back can provides more bass than other low-profile speakers.

The sound character of Control 424LP closely matches with Control 424C/T, which has a deeper back can. This allows intermixing of the two models into systems as needed, based on the ceiling clearance above each speaker location.

Superior Sonic Performance
The Coplanar Radiation Boundary Integrator technology, or CRBI, delivers an especially smooth sound character that remains consistent, clear, and pleasant across a wide coverage area. It reduces on-axis hot spots and off-axis cold spots and improves the listening experience for users as they move throughout a space. This enhanced coverage results in fewer speakers, amplifier channels, and project costs required to cover a space.
2-Way Coaxial Drivers
The 4" low-frequency driver is acoustically loaded via the JBL-exclusive CRBI loading plate, increasing both efficiency and sensitivity for higher output. The CRBI’s unique L-contour radial apertures provide smooth low-frequency response and a tight, impactful sound.

A coaxially mounted 0.75" soft-dome tweeter provides high-fidelity sound character, with a neodymium magnet assembly and Kapton voice coil former providing durability. The drivers are designed for long-term reliability, and built-in protection circuitry helps to prevent damage from the occasional overload.

Versatile Configuration Options
The direct input’s high 16-ohm impedance allows connecting up to 4 speakers in parallel on a 4-ohm rated amplifier channel. For distributed systems, the transformer is designed for exceptionally low saturation, even at high drive levels, providing a top-quality, low-distortion distributed sound character.

The optimized ported enclosure delivers warm, smooth bass response. Low-frequency output can be further augmented with the addition of a Control 419CS/T or another Control Contractor subwoofer model.

Efficient and Flexible Installation
Various Control 400 Enhanced Coverage Series mounting enhancements improve installation repeatability and safety while reducing installation time. Redesigned terminal covers provide both top and side cable entry ports and can be secured without tools thanks to captive hand screws. The captive dog-ear design is extremely reliable and works with a wide range of ceiling thicknesses.
Refined, Modern Aesthetic
Full-face magnetic grilles provide a sleek, refined look to meet the sensibilities of modern architectural design. They are equipped with safety tethers, which mount right into the baffle to ensure peace of mind. Optional black and square accessory grilles are also available to empower added design versatility.
UPC: 691991042355

JBL Control 424LP Specs

Key Specs
Active/Passive
Passive
Number of Included Speakers
1
Speaker Configuration
2-Way
Power Handling
For 2 Hours:
60 W RMS
120 W Program
240 W Peak
For 100 Hours:
40 W RMS
160 W Peak
Constant Voltage / Transformer Taps
70 V
30 / 15 / 7.5 / 3.7 W
100 V
30 / 15 / 7.5 W or 16 Ohms Bypass
Impedance
16 Ohms (Nominal)
17.2 Ohms (LF Driver)
HF Driver
1x 0.75" / 1.91 cm Polyester Soft-Dome Tweeter
LF Driver
1x 4" / 10.2 cm Paper Woofer
Frequency Range
75 Hz to 18 kHz -10 dB
Color
Black
Speaker
Active/Passive
Passive
Number of Included Speakers
1
Speaker Configuration
2-Way
Power Handling
For 2 Hours:
60 W RMS
120 W Program
240 W Peak

For 100 Hours:
40 W RMS
160 W Peak
Constant Voltage / Transformer Taps
70 V
30 / 15 / 7.5 / 3.7 W

100 V
30 / 15 / 7.5 W or 16 Ohms Bypass
Impedance
16 Ohms (Nominal)
17.2 Ohms (LF Driver)
Transformer Wattage
30 W
Enclosure Type
Bass-Reflex
Drivers
HF Driver
1x 0.75" / 1.91 cm Polyester Soft-Dome Tweeter
LF Driver
1x 4" / 10.2 cm Paper Woofer
LF Voice Coil
0.75" / 1.91 cm
Magnet
HF:
Neodymium
Performance
Frequency Range
75 Hz to 18 kHz -10 dB
Frequency Response
88 Hz to 17 kHz ±3 dB
Maximum SPL
103 dB (Continuous)
109 dB (Peak)
Sensitivity
85 dB (Average)
Coverage Angle
130° (Conical)
Directivity
3.3 (Directivity/Q Factor)
5.2 dB (Directivity Index)
Protections
Overload
Connectivity
Inputs/Outputs
1x Block 2-Pin Speaker Input (Locking)
1x Block 2-Pin Speaker Thru (Locking)
Maximum Wire Gauge
14 AWG
Physical
Environmental Resistance
Dust/Water-Resistant (IP33)
Color
Black
Mounting
Ceiling Tile
Cutout Depth
3.9" / 9.9 cm
Cutout Size
8.8" / 22.4 cm
Construction Material
Polypropylene, Steel
Dimensions
9.9 x 4.2" / 25.1 x 10.7 cm
Weight
6.7 lb / 3 kg
Packaging Info
Package Weight
24.89 lb
Box Dimensions (LxWxH)
27.1 x 12.2 x 9.1"

JBL Control 424LP Reviews

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