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6.5-inch (165mm) 2-way Bookshelf Loudspeaker

Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the 4309 Studio Monitor is a showcase of patented JBL acoustics technologies. This bookshelf loudspeaker features a 2-way design with patented High-Definition Imaging (HDI™) horn technology, the patented 2410H-2 1-inch (25mm) compression driver, and a 6.5-inch (165mm) cast-frame, Pure-pulp cone woofer for powerful dynamics and incredibly accurate sound reproduction.

Features

• Patented 2410H-2 1″ (25mm) compression driver with High Definition Imaging ™ geometry horn.
• 6.5-inch (165mm) pure-pulp cone woofer in bass-reflex design with dual front-firing tuned ports.
• Choice of Walnut or Black furniture-grade satin wood veneers.
• Ultra High-frequency level attenuator.
• Advanced crossover network.
• Dual sets of gold-plated binding posts with shorting straps.

General Specifications

• Type: 2-way bookshelf loudspeaker
• Low Frequency Driver: 6.5″ (165mm) Pure Pulp cone woofer
• High Frequency Driver: 2410H-2 1-inch (25mm) annular ring, Teonex® diaphragm compression driver with advanced HDI™ geometry horn
• Recommended Amplifier Power: 25 – 150 WRMS
• Impedance: 4 Ohm
• Loudspeaker Sensitivity: 87 dB/2.83V/1m
• Frequency Response: 42 Hz – 30 kHz (-6 dB)
• Coverage Angle, -6 dB: 100 Degrees Hor. x 80 Degrees Ver., from 2kHz to 17kHz
• Crossover Frequency: 1.6 kHz
• Enclosure Type: H-braced front-ported bookshelf
• Grille Feature: Monitor style to match horn mating features, supplied in dark blue (with walnut cabinet) and black (with black cabinet)
• Dimensions with grille: 16.5” H x 10.25” W x 9” D (419 mm H x 260 mm W x 227 mm D)
• Controls: UHF tone control
• Input Type: Dual sets of gold-plated binding posts with shorting straps
• Product Weight (Each): 24.2 lbs. (10.98 kg)
• Shipping Weight: 56.2 lbs. (25.5 kg)
• Recommended stand height: 24” (609 mm)

Sold as a Pair.