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QSC KLA181 - Black

18" ported, 1000W subwoofer with integrated flying hardware

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  • Free Tech Support
  • Free Extended Warranty
Our Price: $1,999.99

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Product Description
Additional Information
  • Product Description

    The QSC KLA181 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.

    The KLA Series is comprised of two models, the KLA12 12-inch, 2-way loudspeaker and the KLA181 18-inch subwoofer. The KLA12 features a highly efficient 500 watt by 500 watt power amp module and the KLA181 offers the same highly efficient power amp module in a 1,000 watt configuration. This efficient design enables up to five KLA models (any combination of KLA12 and KLA181) to be driven off of a single 15 amp, 120 volt electrical circuit.

    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.

    KLA loudspeakers incorporate QSC's DEEP™ DSP algorithm - providing extended bass response by actively managing potentially damaging low-frequency transients - and GuardRail™ circuitry protection which prevents the amplifier module from unnatural and destructive clipping.

    As an energy saving feature, the Auto Standby mode automatically engages after five minutes of inactivity but upon resumption of audio signal, the power module on the KLA will awaken instantly for immediate output.

    In an installed application, multiple KLA Series loudspeakers can be "daisy-chained" for total gain control from a single remote pot wired to the on-board Phoenix-style connector. Additional power module characteristics on KLA include a balanced, line-level XLR input in parallel with an XLR "Thru" connector, PowerCon™ In and Thru connectors, Attenuation Control and LED indicators for Signal, Limit, Power and Standby status.


    • 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)
  • Additional Information

    Condition New
    Width 23.1 in
    Length 25.7 in
    Height 21.6 in
    Unit Weight 100 lb
    Active or Passive Active
    driver_sizes 18" cone transducer
    Number of Speakers Single
    Input Connectors Analog XLR
    Amp Wattage 1000 W Class D continuous
    Impedance Input: 40 kOhms balanced, 20 kOhms unbalanced
    Frequency Range Down to 33 Hz
    Max. SPL 135 dB peak
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