Description
QSC KLA181 Active Subwoofer
Features
- 1,000-watt power module
- 18-inch vented subwoofer
- High acoustic output (135 dB SPL peak)
- Frequency range down to 33 Hz (-10 dB)
- Extensive DSP further enhances and protects performance
- powerCON® Input and Thru connections
- Threaded pole receptacle for free-standing applications (black models only)
- Suspension made possible via M10 fittings or KLA12AF Array Frame
- Integrated threaded pole mount supports up to two KLA12 enclosures (black models only)
| SPECIFICATIONS | KLA181 |
| Configuration | 18-inch subwoofer |
| Transducers High Frequency Low Frequency | 18-inch cone transducer |
| Frequency Response (-6 dB) | 38 Hz |
| Frequency Range (-10 dB) | 33 Hz |
| Nominal Coverage | – |
| Maximum SPL (1 meter) | 135 dB peak |
| Amplifiers | |
| Power Output | 1000 W Class D continuous |
| Input Impedance | XLR: 40 kΩ balanced / 20 kΩ unbalanced |
| Controls | Power, Attenuation, LF Mode (Normal/DEEP™), Polarity (Normal/Reverse), Front LED (Pwr/Limit/Off) |
| Indicators | Power, Signal, Standby, Limit |
| Connectors | Balanced female XLR line level input, Balanced male XLR full range line level out, Remote attenuation control, Locking powerCON power connector AC In, Locking powerCON® power connector AC Out |
| Cooling | On-demand, 50 mm variable speed fan |
| Amplifier Protection | Thermal limiting, output overcurrent, overtemperature muting, GuardRail™ |
| Transducer Protection | Thermal limiting, excursion limiting |
| AC Power Input | Universal power supply 100–240 VAC, 50 to 60 Hz |
| AC Power Consumption (1/8 Power) | 100 VAC, 2.3 A 120 VAC, 2.01 A 230 VAC, 1.13 A |
| Enclosure | |
| Material | Painted birch plywood |
| Finish | Black or white textured paint |
| Grille | Black or white powder coated 16 gauge steel |
| Dimensions (HWD) inches | 30 x 28 x 24 |
| Dimensions (HWD) mm | 760 x 710 x 610 |
| Net Weight | 47.2 kg / 104 lb |
| Shipping Weight | 54.4 kg / 119.9 lb |
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