QSC SB-2180 Dual 18-Inch Cinema Subwoofer
Overview
The QSC SB-2180 is a high-performance cinema subwoofer, designed for motion picture theaters and large-format sound reinforcement applications. Featuring dual 18-inch low-frequency transducers, it delivers deep bass response with high sensitivity and minimal distortion. Its compact enclosure depth makes it one of the narrowest dual-driver subwoofers available, reducing space requirements behind the screen.
Key Features
- Dual 18-inch (457mm) woofers with 4-inch (102mm) voice coils for extended low-frequency reproduction
- Compact 16.5-inch (420mm) depth, minimizing space requirements behind the screen
- Folded port design maintains full port length while reducing cabinet depth
- High SPL capability, reaching 136.4 dB peak output
- Optimized for cinema applications, ensuring deep bass extension
- Screw-type barrier-strip connectors for secure wiring
Specifications
- Frequency Range (-10 dB): 25 Hz - 150 Hz
- Rated Noise Power: 1100W
- Sensitivity: 100 dB SPL @ 1W, 1m
- Maximum Continuous SPL: 130.4 dB
- Maximum Peak SPL: 136.4 dB
- Rated Impedance: 4Ω
- Recommended Amplifier Power: 2200W
- Transducers: Two 18-inch (457mm) woofers with 4-inch voice coils
- Input Connector: 4-position barrier strip
- Enclosure Material: 19mm MDF
- Grille: None
- Dimensions (HxWxD): 33.15 in x 42.5 in x 16.5 in (842mm x 1080mm x 420mm)
- Net Weight: 187 lbs (89 kg)
- Shipping Weight: 197 lbs (89 kg)
