Description The JBL Cinema 4645C is a professional high-performance cinema subwoofer system designed for motion picture theaters and large-scale sound reinforcement applications. It features a single 18-inch (460 mm) low-frequency driver housed in a bass-reflex, direct-radiating enclosure, delivering deep, powerful, and accurate bass reproduction. Engineered for high output and low distortion, the 4645C is ideal for reproducing the demanding low-frequency effects found in modern cinema soundtracks.
Features
Single 18-inch (460 mm) high-output low-frequency driver
Bass-reflex direct-radiating enclosure design
800W continuous power handling
1600W continuous program power handling
3200W peak power capacity
Frequency response: 22 Hz – 100 Hz (±3 dB)
Extended low-frequency response down to 20 Hz (-10 dB)
High sensitivity: 97 dB (1W/1m)
Maximum SPL: 128 dB
8-ohm nominal impedance
JBL 2242H Super Vented Gap (SVG™) driver technology
Symmetrical Field Geometry (SFG™) magnet structure for reduced distortion
High excursion capability for powerful low-frequency output
Minimal power compression for consistent performance at high levels
THX® approved for cinema installations
Suitable for digital and analog cinema sound systems
Rugged enclosure designed for professional theater environments
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