The JBL 4312G is a 3-way, high-performance compact studio monitor in the iconic JBL configuration dating back to 1968. The latest in line of top-notch bookshelf speakers inspired by the legendary Model 4310 Control Monitor, the 4312G delivers thundering bass, with dynamic and clear highs for a thoroughly enjoyable audio experience.


The compatible JS-120 Loudspeaker Stand is available for this model.



  • Low Frequency Transducer: 12-inch (300mm) pure pulp cone woofer (JW3000SW-8)
  • Mid Frequency Transducer: 5-inch (125mm) polymer-coated pure pulp cone (JM125PC-8)
  • High Frequency Transducer: 1-inch (25mm) Magnesium/Aluminum alloy dome tweeter with waveguide (054ALMg-1)
  • Recommended Amplifier Power: 10-200 Watts RMS
  • Frequency Response (-6dB): 44Hz - 40kHz
  • Sensitivity (2.83V@1m): 90dB
  • Nominal Impedance: 6 Ohm
  • Crossover Frequencies: 640Hz, 5kHz
  • Enclosure Type: Bass-reflex via front-firing port
  • Inputs: Five-way Binding Posts
  • Finishes: Black Woodgrain with Black Cloth Grille
  • Dimensions (H x W x D): 23.5 x 14.25 x 12 inches (597 x 362 x 305mm)
  • Weight: 52.4 lbs (23.8kg) each

JBL 4312G Studio Monitor Bookshelf Loudspeakers

Include JS-120 Stands?
  • Description: 3-way 12" studio monitor bookshelf loudspeaker

    Low-frequency Transducer: 12" (300mm) pure pulp cone (JW300SW-8)

    Mid-frequency Transducer: 5" (125mm) polymer-coated pure pulp cone (JM125PC-8)

    High-frequency Transducer: 1" Magnesium-Aluminum alloy dome (054ALmg-1)

    Frequency Response: 44Hz – 40kHz (-6dB) Sensitivity: 90dB

    Recommended Amplifier Power: 10-200 Watts RMS Crossover

    Frequencies: 640Hz, 5kHz

    Nominal Impedance: 6 Ohms

    Dimensions (H x W x D): 23.5" x 14.25" x 12" (597 x 362 x 305mm) Weight: 52.4 lbs. (23.8kg) each

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