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

• 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

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JBL official

No other manufacturer provides a wider, more cost-effective range of solutions to take on the demands of modern cinema sound reproduction than JBL Professional. With one of the longest track records in the industry (James B. Lansing Sound, Incorporated manufactured some of the world’s first true high-fidelity loudspeakers for cinema sound systems) and JBL’s legendary reputation for quality, reliability, and innovation, its easy to see why today more than three quarters of all cinema loudspeakers sold worldwide come from JBL Professional.