JBL 4309 Monitor

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)
Shipping Units of Measure Pair
Warranty 5 Years
Recommended stand height 24” (609 mm)