The JBL Model 4642A is a high quality subwoofer system, featuring 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
Approved by Lucasfilm, Ltd. for THX installations