JBL 4645C Cinema Subwoofer

JBL 4645C
In Stock


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.


  • 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


JBL 4645C
Product Code: 4645C
Brand: JBL
Technical specifications
Frequency Range 41 Hz – 17 kHz (-10 dB)
Sensitivity 103 dB, 2.83V @ 1m
Maximum SPL 114 dB SPL, 131 dB Peak
Nominal Impedance 4 ohms
Power Rating 700 W (AES)
Physical parameters
Dimensions (mm) 890 mm X 820 mm X 520 mm (35,1 in X 32,3 in X 20,5 in)
Net Weight 88 kg (193,6 lb)
Shipping Weight 97 kg


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