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JBL Synthesis® 4429 Studio Monitor Loudspeaker-Walnut Veneer-4429

Model #: 4429
JBL Synthesis
At a Glance

JBL Synthesis® 4429 Studio Monitor Loudspeaker-Walnut Veneer with a continuously variable MF and HF attenuators

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Get to know this product.

The JBL® 4425 studio monitor, introduced in 1985, was the company’s first compression-driver system with a Bi-Radial® horn and large-format woofer, designed to give true studio performance in transportable size without the need for subwoofer augmentation. The new JBL 4429 incorporates a number of important improvements over the 4425 and its successors. A UHF transducer, an improved HF compression driver and horn design, a new crossover network and improved internal bracing combine to give the 4429 an advantage in the naturalness, clarity and detail of its sound relative to previous models. Effortlessly delivering the full bandwidth and dynamics of the newest digital media – without suppression at any listening level – the 4429 reveals subtleties you may never before have experienced in recorded music. Every detail of the design and construction of this system has been directed toward a single goal: uncompromised sonic performance. Featuring a massive, 300mm woofer, and large HF and UHF compression drivers with a one-piece SonoGlass® horn, the 4429 delivers quick, tight bass, a natural, well-focused midrange and clear, distinct highs to create listening experiences with all the richness and detail of the original performances.

  • Extremely rigid, heavily braced enclosures of 25mm (1-inch) MDF
  • Dual front-mounted ports provide optimal woofer tuning for extended bass response and permit speaker to be placed against a wall
  • Continuously variable MF and HF attenuators let users tailor driver output to suit room acoustics or personal preference
  • Bi-wire capability for use with multiple amplifiers and speaker-wire sets
Useful Documents


Connector Type:Dual Gold-Plated Five-Way Binding Posts


Crossover Type:800 Hz; 7 kHz


Sensitivity:91 dB (2.83V/1m)
Frequency Response:40Hz – 45kHz (–6dB)


Color:Walnut Veneer

Misc. Specs

Product Weight71.0000
Depth (in.)12
Width (in.)15.75
Height (in.)25
Impedance6 ohms
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