JBL 4642A | 4642A 4642A Dual 460 mm (18 in.)Subwoofer System

4642A 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. Features 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 Specifications Frequency Range (±3 dB) 22 Hz - 100 Hz Frequency Range (-10dB)