JBL 4645C

JBL 4645C Single 460 mm (18 in.) Subwoofer System

September 25, 2019 | Kategori: Cinema, JBL, Loudspeakers, dan Products.

4645C Single 460 mm (18 in.) Subwoofer System

The JBL 4645C Model 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 JBL 4645C is ideal for low-frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications.



  • 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.



Rated Impedance 8 ohms
Minimum Impedance 7.2 ohms
Power Handling Capability
Continuous Pink Noise 800 watts
Continuous Program 1600 watts
Peak Power 3200 watts
Output Capability
Axial Sensitivity 50 Hz to 500 Hz; 99 dB, 1W @ 1m
40 Hz to 100 Hz; 97 dB, 1W @ 1m
Power Compression
At -10 dB power (80 W) 0.6 dB
At -3 dB power (400 W) 2.0 dB
At rated power (800 W) 3.3 dB
Net Weight 63 kg (138 lbs.)
H x W x D
1010 mm x 674 mm x 450 mm
39¾ in x 26½ in x 17¾ in


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