The UK's leading Integrator and Equipment
Installer for the Digital Cinema Industry


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JBL Professional offers a wide and cost-effective range of solutions for cinema sound and the legendary Control 1 speaker remains a Sound Associates favourite for smaller auditoriums. JBL Professional offers three complete lines of enclosed cinema loudspeaker systems that meet the needs of any cinema application.

Sound Associates have used JBL speakers across all types of cinema rooms – including large and small auditoriums, a number of custom installations, renovations and retrofits.

This is a selection of speakers designed for cinema and post production, please contact our sales team if you have specific enquiries.


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


  • Rated Impedance: 4 ohms
  • Minimum Impedance: 3.2 ohms
  • Power Handling Capability: -
  • Continuous Pink Noise: 1200 Watts
  • Continuous Program: 2400 Watts
  • Peak Power: 4800 Watts

Output Capability: -

  • Axial Sensitivity: 50 Hz to 500 Hz; 101 dB, 1W @ 1m. 40 Hz to 100 Hz; 100 dB, 1W @ 1m
  • Net Weight: 98 kg (216 lbs.)
  • Dimensions H x W x D: 762 mm x 1219 mm x 610 mm. 30 in x 48 in x 24 in
Download Datasheet
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