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QSC KLA181
18" 1000W Active Line Array Subwoofer

OUR PART #  KLA181-BK

Our Price: $1,999.99
List Price: $2,500.00
You save 20%! (Low Price Guarantee)
In Stock

Recommended Accessories

The QSC KLA12 line array loudspeaker can be deployed in a fraction of the time required by comparable line array products with its simple "Lift, Click and Play" approach. This fixed arcuate, active line array speaker 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.

In addition to DEEP™ DSP algorithm, GuardRail™, Auto Standby, balanced line-level XLR input with an XLR "Thru" connector, Attenuation Control and LED indicators, the KLA181 subwoofer also includes a polarity switch for low frequency directivity control.

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.

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 KLA181 Features:

  • 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-cup receptacle for free-standing applications
  • Suspension made possible via M10 fittings or KLA12AF Array Frame
  • Integrated threaded pole mount supports up to two KLA12 enclosures

QSC KLA181 Specifications:

  • Configuration: 18" subwoofer
  • Transducers: 18" cone transducer
  • Frequency Response (-6 dB): 38kHz
  • Frequency Range (-10 dB): 33kHz
  • Maximum SPL (1 meter): 135 dB peak
  • Amplifier:
    • Power Output: 1000W Class D continuous
    • Input Impedance (ohms): XLR: 40k balanced/20k 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 - 60 Hz
    • AC Power Consumption (1/8 Power):
      • 100 VAC, 2.3 A
      • 120 VAC, 2.01A
      • 230 VAC, 1.13 A
  • Enclosure:
    • Material: Painted birch plywood
    • Grille: Powder coated 16 gauge steel
    • Dimensions: 21.6" H x 23.1" W x 25.7" D (547 x 586 x 633 mm)
    • Net Weight: 100 lbs (45.3 kg)
for KLA181 Line Array SubwooferQSC KLA181 Cover for KLA181 Line Array Subwoofer

The KLA181 Cover is a padded cover for the KLA181, made with heavy-duty Nylon/Cordura® material.NOTE: Cannot be used on a KLA181 equipped with casters.

In Stock

Our Price:$99.99List Price: $129.99You save 23%!

with 4 WheelsQSC KLA181 Caster Kit with 4 Wheels

QSC's KLA181 Caster Kit consists of 4 wheels and is designed specifically for use with their KLA181 enclosure.

In Stock

Our Price:$69.99List Price: $89.99You save 22%!

36" Speaker Pole for KLA181 Line Array SubwooferQSC KLA181 Pole 36" Speaker Pole for KLA181 Line Array Subwoofer

QSC's KLA181 Pole is a 36" speaker pole for use in mounting speakers on/over a KLA181 line array subwoofer.

In Stock

Our Price:$29.99List Price: $39.99You save 25%!

KLA Series Array FrameQSC KLA-AF12 KLA Series Array Frame

This aluminum array frame is for use with QSC's KLA series enclosures.  Can fly a combination of speakers (a max. of 5x KLA12s & 2x KLA181s) weighing up to 480 lbs (218 kg).NOTE: This array frame is available in black or white.

In Stock

Free Shipping Available

Our Price:$799.99List Price: $1,000.00You save 20%!

Eye Bolt Kit for KLA181 Line Array SubwooferQSC KLA181 M10 Kit Eye Bolt Kit for KLA181 Line Array Subwoofer

QSC's KLA181 M10 eye bolt kit is for flying their KLA181 line array subwoofer.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Free Shipping Available

Our Price:$59.99List Price: $69.99You save 14%!

QSC KLA181
18" 1000W Active Line Array Subwoofer

OUR PART #  KLA181-BK

Product Information:

The QSC KLA12 line array loudspeaker can be deployed in a fraction of the time required by comparable line array products with its simple "Lift, Click and Play" approach. This fixed arcuate, active line array speaker 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.

In addition to DEEP™ DSP algorithm, GuardRail™, Auto Standby, balanced line-level XLR input with an XLR "Thru" connector, Attenuation Control and LED indicators, the KLA181 subwoofer also includes a polarity switch for low frequency directivity control.

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.

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 KLA181 Features:

  • 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-cup receptacle for free-standing applications
  • Suspension made possible via M10 fittings or KLA12AF Array Frame
  • Integrated threaded pole mount supports up to two KLA12 enclosures

QSC KLA181 Specifications:

  • Configuration: 18" subwoofer
  • Transducers: 18" cone transducer
  • Frequency Response (-6 dB): 38kHz
  • Frequency Range (-10 dB): 33kHz
  • Maximum SPL (1 meter): 135 dB peak
  • Amplifier:
    • Power Output: 1000W Class D continuous
    • Input Impedance (ohms): XLR: 40k balanced/20k 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 - 60 Hz
    • AC Power Consumption (1/8 Power):
      • 100 VAC, 2.3 A
      • 120 VAC, 2.01A
      • 230 VAC, 1.13 A
  • Enclosure:
    • Material: Painted birch plywood
    • Grille: Powder coated 16 gauge steel
    • Dimensions: 21.6" H x 23.1" W x 25.7" D (547 x 586 x 633 mm)
    • Net Weight: 100 lbs (45.3 kg)
for KLA181 Line Array SubwooferQSC KLA181 Cover for KLA181 Line Array Subwoofer

The KLA181 Cover is a padded cover for the KLA181, made with heavy-duty Nylon/Cordura® material.NOTE: Cannot be used on a KLA181 equipped with casters.

In Stock

Our Price:$99.99List Price: $129.99You save 23%!

with 4 WheelsQSC KLA181 Caster Kit with 4 Wheels

QSC's KLA181 Caster Kit consists of 4 wheels and is designed specifically for use with their KLA181 enclosure.

In Stock

Our Price:$69.99List Price: $89.99You save 22%!

36" Speaker Pole for KLA181 Line Array SubwooferQSC KLA181 Pole 36" Speaker Pole for KLA181 Line Array Subwoofer

QSC's KLA181 Pole is a 36" speaker pole for use in mounting speakers on/over a KLA181 line array subwoofer.

In Stock

Our Price:$29.99List Price: $39.99You save 25%!

KLA Series Array FrameQSC KLA-AF12 KLA Series Array Frame

This aluminum array frame is for use with QSC's KLA series enclosures.  Can fly a combination of speakers (a max. of 5x KLA12s & 2x KLA181s) weighing up to 480 lbs (218 kg).NOTE: This array frame is available in black or white.

In Stock

Free Shipping Available

Our Price:$799.99List Price: $1,000.00You save 20%!

Eye Bolt Kit for KLA181 Line Array SubwooferQSC KLA181 M10 Kit Eye Bolt Kit for KLA181 Line Array Subwoofer

QSC's KLA181 M10 eye bolt kit is for flying their KLA181 line array subwoofer.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Free Shipping Available

Our Price:$59.99List Price: $69.99You save 14%!

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