The 4312MII is a 5.25-inch, 3-way high-performance Studio Monitor that truly embodies JBL’s 70-year legacy of world-class audio. Featuring a 5.25-inch pure pulp woofer for powerful lows, a 2-inch pure pulp midrange for accurate voice reproduction, and a 0.75-inch titanium dome tweeter for crystalline highs, the 4312MII delivers vivid imaging for the full audio spectrum. Its ultra-compact design means it fits easily on your bookshelf, or on your wall with the optional mounting bracket. Two finish options, black ash with black grille and walnut natural wood with blue grille, allow it to blend elegantly into any decor. 

  • 5.25-inch pure pulp cone woofer
  • 2-inch pure pulp midrange
  • 0.75-inch titanium dome tweeter
  • Bass-reflex design with front-firing port
  • Adjustable midrange and high-frequency attenuators
  • Black ash and walnut natural wood finishes

General Specifications

Nominal Impedance 8 ohm
Power Capacity 100 Watts

Audio Specifications

Low-frequency Transducer 5.25-inch (300mm) pure pulp white cone woofer
Mid-frequency Transducer 2-inch (125mm) pure pulp midrange
High-frequency Transducer 0.75-inch (25mm) titanium dome tweeter
Design Bass-reflex via front-firing port
Frequency Response 55Hz – 50kHz (@-6dB)
Sensitivity 92dB (2.83V/1m)
Power Handling 75 Watts RMS
Crossover Frequency 7kHz, 12kHz
Impedance 6 Ohm
Controls MF and HF attenuators
Connectors Gold-plated five-way binding posts
Dimensions (H x W x D) 11.8 x 7.1 x 7.08 inches (300 x 181 x 180mm)
Weight 8.8 lbs (4.0 kg)
Finish Black Ash with Black Grille, Walnut with Blue Grille