JBL 4642A Cinema Subwoofer

JBL 4642A
In Stock


Dual 460 mm (18 in.) Subwoofer System

The JBL Model 4642A is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducers mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4642A is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.


  • 1200 Watts Continuous Pink Noise, 2400 Watts Continuous Program Power Handling
  • Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ
  • 2241H VGCTM Vented Gap Cooled Drivers – High Sensitivity – Low Power Compression – High Maximum-SPL Capability – Low 2nd and 3rd Harmonic – Distortion – Symmetrical Field Geometry SFGTM – Magnet Structure – Long Excursion Capability
  • proved by Lucasfilm, Ltd. for THX® installations


JBL 4642A
Product Code: 4642A
Brand: JBL
Technical specifications
Frequency Range 27 Hz – 17 kHz (-10 dB)
Sensitivity 108 dB, 2.83V @ 1m
Maximum SPL 117 dB SPL, 138 dB Peak
Nominal Impedance 4 ohms
Power Rating 590 W (AES)
Physical parameters
Dimensions (mm) 1650 mm X 580 mm X 570 mm (65 in X 22,9 in X 22,5 in)
Net Weight 93 kg (204,6 lb)
Shipping Weight 102 kg


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