JBL 4642A Dual 18-Inch Cinema Subwoofer
Overview
The JBL 4642A is a high-performance cinema subwoofer, designed for motion picture theaters and sound reinforcement applications. Featuring dual 18-inch low-frequency transducers, it delivers deep bass response with high sensitivity and low distortion.
Key Features
- Dual 18-inch (460mm) transducers for powerful low-frequency output
- Bass-reflex enclosure for smooth response down to 22 Hz
- 2400W continuous program power handling for high SPL capability
- Vented Gap Cooled (VGC™) drivers for reduced power compression
- THX®-approved for professional cinema installations
Specifications
- Frequency Range (-3 dB): 22 Hz - 100 Hz
- Frequency Range (-10 dB): 20 Hz - 500 Hz
- Rated Impedance: 4Ω
- Minimum Impedance: 3.2Ω
- Power Handling:
- Continuous Pink Noise: 1200W
- Continuous Program: 2400W
- Peak Power: 4800W
- Sensitivity:
- 50 Hz - 500 Hz: 101 dB, 1W @ 1m
- 40 Hz - 100 Hz: 100 dB, 1W @ 1m
- Maximum SPL (1m): 131 dB
- Dimensions (HxWxD): 30 in x 48 in x 24 in (762mm x 1219mm x 610mm)
- Net Weight: 216 lbs (98 kg)
- Shipping Weight: 240 lbs (109 kg)
