QSC KLA12
12" 500W Powered Line Array

OUR PART #  KLA12-BK


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The QSC 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.

The KLA12 features a highly efficient 500 watt by 500 watt power amp module.  This efficient design enables up to 5 KLA models (any combination of KLA12 and KLA181) to be driven off of a single 15 amp, 120 volt electrical circuit.

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.

Housed in a rugged ABS enclosure that results in both light weight and long-term durability, the KLA12 features a 12" low frequency transducer coupled with a 1.75" compression driver.  Designed to be used exclusively as a fixed arcuate line array, each KLA12 is set at a 90° horizontal by 18° vertical splay angle, allowing 90° vertical coverage arrays to be configured using only 5 boxes (most other solutions require 6).

KLA's unique self-contained SOLO™ (Single-Operator Logistics) Rigging System enables users to quickly assemble (and disassemble) the line array in a fraction of the time without the need for special tools or external hardware.

The KLA12 Ar-Q™ (Arcuate Equalization) processing enables users to quickly tune the array, making appropriate frequency compensation adjustments based on the number of boxes.  With the click of a dial, the user can select the total number of boxes deployed in the array resulting in an evenly balanced and accurate tonal curve.  QSC's proprietary Intrinsic Correction™, first introduced with the WideLine™ Series, actively adjusts time, frequency and amplitude response to achieve a maximally flat bandpass target.

For maximum deployment flexibility, KLA loudspeakers can be either ground deployed or flown.  As a ground stack, up to 2 KLA12 enclosures can be mounted over the KLA181 or the KW181 subwoofer via a threaded pole socket, or without a sub using an appropriately rated loudspeaker stand.

KLA12 enclosures also feature the Tilt-Direct™ 35mm pole socket allowing the loudspeaker to be aimed downward 9° for the best audience coverage.

Arrays of up to 480 lbs (218 kg) (with a maximum 5 KLA12 and 2 KLA181 enclosures) can be flown via the included M10 fittings or the optional KLA AF12 array frame.

QSC KLA12 Features:

  • 500 W x 500 W power module
  • Rugged, ABS enclosure delivers light-weight durability
  • SOLO™ Rigging System supports deployment without tools or external hardware
  • Ar-Q™ Frequency Optimization quickly tunes the array with the click of a dial, adjusting for the appropriate number of boxes
  • 10:1 design factor supports arrays of up to 480 lbs. (218 kg) 5x KLA12 and 2x KLA181
  • 90° x 18° nominal coverage (requires only five boxes to configure a 90° x 90° array)
  • High power, 12" low frequency driver provides extension down to 44Hz without subwoofers
  • Extensive DSP further enhances and protects performance
  • 1.75" diaphragm compression driver delivers clear and powerful high-frequency reproduction
  • powerCON® Input and Thru connections
  • Tilt-Direct™ pole mount assists directivity in single-unit applications

QSC KLA12 Specifications:

  • General Specifications:
    • Configuration: multipurpose 2-way
    • Transducers:
      • HF: 1.75" diaphragm compression driver
      • LF: 12" cone transducer
    • Frequency Response (-6 dB): 49Hz-18kHz
    • Frequency Range (-10 dB): 44Hz-20kHz
    • Nominal Coverage: 90°H x 18°V
    • Maximum SPL (1 meter): 131 dB peak
  • Amplifier Specifications:
    • Power Output:
      • HF: 500W Class D continuous
      • LF: 500W Class D continuous
    • Input Impedance (ohms): XLR: 40k balanced/20k unbalanced
    • Controls: Power, Attenuation, LF Setting (External Sub/Normal/Deep™), Array Size (1-5), 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, over temperature muting, GuardRail™
    • Transducer Protection: Thermal limiting, excursion limiting
    • AC Power Input: Universal power supply 100 - 240 VAC, 50 - 60 Hz
    • AC Power Consumption (1/8 Power):
      • 100 VAC, 2.3 A
      • 120 VAC, 2.01A
      • 230 VAC, 1.13 A
  • Enclosure Specifications:
    • Material: Impact-resistant ABS
    • Grille: Powder coated 18 gauge steel
    • Dimensions: 15" H x 23.4" W x 16.6" D (382 x 594 x 422 mm)
    • Net Weight: 55 lbs (25 kg)
18" 1000W Active Line Array SubwooferQSC KLA181
18" 1000W Active Line Array Subwoofer

The QSC 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 ...

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Our Price:$1,859.99
List Price: $2,329.99
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