JBL Professional 4645C Woofer - 1600 W RMS

4645C Single 460 mm (18 in.) Subwoofer System The JBL Model 4645C is a high quality subwoofer system, featuring an advanced technology 460 mm (18 in), low frequency transducer mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4645C is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications. Features 800 Watts Continuous Pink Noise, 1600 Watts Continuous Program Power Handling Usable response to 22 Hz (-10 dB, no EQ), flat to 22 Hz (-3 dB) with External EQ 2242H SVGTM Super Vented Gap Cooled Driver - High Sensitivity - Minimal Power Compression - Highest Maximum-SPL Capability - Extremely Low 2nd and 3rd - Harmonic Distortion - Symmetrical Field Geometry SFGTM - Magnet Structure - Extended Excursion Capability Approved by Lucasfilm, Ltd. for THX® installations