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QSC KLA181 18" Active Line Array Subwoofer

QSC KLA181 18" Active Line Array Subwoofer

KLA181 Black


  • £1,999.00
Usually shipped within 2-3 working days

The KLA Series brings the power and sophistication of a line array system into an easy-to-use product significantly redefining the line array product category.

With its simple Lift, Click and Play approach, KLA can be deployed in a fraction of the time required by comparable line array products. 

This fixed arcuate, active line array system is ideal for a wide range of portable and permanently installed applications ranging from live entertainment to houses of worship or other venues where a line array system is desired. 


  • 1,000 watt power module
  • 18" 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)



    • Configuration:  18" subwoofer
    • Transducers:  Low Frequency:  18" cone transducer
    • Frequency Response (-6 dB):  38 Hz
    • Frequency Range (-10 dB):  33 Hz
    • Maximum SPL (1 meter):  135 dB peak


    • 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
    • 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


    • 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

    Physical & Dimensions

    • Material:  Painted birch plywood
    • Finish:  Black 
    • Grille:   Black powder coated 16 gauge steel
    • Dimensions (HWD):  547 x 586 x 633mm
    • Net Weight:  45.3 kg

                Manufacturer: QSC

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