The 4642A is a high quality subwoofer system, featuring an advanced technology 460 mm (18"), low frequency transducers mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4642A 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 on the 4642A's 2241H transducer.

Key Features:

• 1200 Watts Continuous Pink Noise, 2400 WattsContinuous Program Power Handling
• Usable response to 22 Hz (-10 dB,no EQ), flat to22 Hz (-3 dB) with External EQ
• 2241H VGC (Vented Gap Cooled) Drivers
  – High Sensitivity
  –  Low Power Compression
  –  High Maximum-SPLCapability
  –  Low 2nd and 3rd Harmonic Distortion
  – Symmetrical Field Geometry (SFG) Magnet Structure
  –  Long ExcursionCapability
• Approved by Lucasfilm, Ltd. for THX®installations

Specifications:

• Low Frequency Drivers: (2) 2241H
• Frequency Range: 22 Hz - 500 Hz (-10 dB)
• Power Capacity (Continuous Pink Noise): 1200 Watts
• Power Capacity (Continuous Program): 2400 Watts
• Sensitivity: 101 dB SPL (1W, 1m, 3.3ft.)
• Crossover Frequency: 80-150 Hz recommended
• Nominal Impedance: 4 Ohms
• Dimensions (HxWxD): 30" x 48" x 24" (762 x 1219 x 610 mm)
• Net Weight: 98 kg (216 lb)