JBL 4645C

The 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.

NOTE: Consult the product page for more information regarding the 4645C's 2242H transducer.

Key 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 SVG (Super Vented Gap) Cooled Driver
  – High Sensitivity
  – Minimal Power Compression
  – Highest Maximum-SPL Capability
  – Extremely Low 2nd and 3rd Harmonic Distortion
  – Symmetrical Field Geometry (SFG) Magnet Structure
  – Extended Excursion Capability
• Approved by Lucasfilm, Ltd. for THX® installations

Specifications:

• Low Frequency Driver: 2242H
• Frequency Range: 22 Hz - 500 Hz (-10 dB)
• Power Capacity (Continuous Pink Noise): 800 Watts
• Power Capacity (Continuous Program): 1600 Watts
• Sensitivity: 99 dB SPL (1W, 1m, 3.3ft.)
• Crossover Frequency: 80-150 Hz recommended
• Nominal Impedance: 8 Ohms
• Dimensions (HxWxD): 39.75" x 26.5" x 17.75" (1010 x 674 x 450 mm)
• Net Weight: 63 kg (138 lb)