Product Summary


  • KLA Series

  • Fixed Arcuate Active Line Array System

  • Complements KLA12 Line Array Module

  • 18" Vented Subwoofer



  • KLA Series

  • Fixed Arcuate Active Line Array System

  • Complements KLA12 Line Array Module

  • 18" Vented Subwoofer

  • 135 dB Peak SPL

  • Handles Frequencies Down to 33 Hz

  • Advanced DSP for Enhanced Performance

  • PowerCON Input and Output

  • Install with M10 or KLA AF12 Array Frame

  • Includes Cables and Hex Key


Audio professionals looking for a quality, easy-to-use line-array subwoofer should check out the black QSC KLA181 Subwoofer, a powered 18" subwoofer that's designed to be used in the KLA series system. The 1000W amplifier powers the 18" woofer, which reproduces frequencies down to 33 Hz with a maximum SPL of 135 dB. The KLA181 has an integrated threaded pole-cup receptacle that allows you to pole-mount up to two KLA12 speakers on top of it for array setup. Its M10 fittings allow it to alternatively be suspension mounted.

QSC KLA181 1000W Powered 18" Flying Subwoofer (Black)

SKU: KLA181BK | UPC: 684284058775
Authorized Dealer Authorized QSC Dealer
Manufacturer Warranty Authorized dealer coverage
Expert Support Pre- and post-sale assistance

$2,749.99

BACK 2 SCHOOL SALE | additional discount in cart
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QSC KLA181 1000W Powered 18" Flying Subwoofer (Black) $2,749.99
In Stock Current availability for this model
Free Ground Shipping On qualifying orders to the lower 48 states
Project & Volume Pricing Special pricing available for larger orders
Education & Government Purchase Orders Accepted for qualified organizations
Financing Available with Shop Pay
Special Pricing Available Education • Government • Nonprofits • Corporate • Volume Orders
✓ Tax-Exempt Purchasing Available

Key Features

  • <ul class="list_OMS5rN7R1Z">\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">KLA Series</li>\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">Fixed Arcuate Active Line Array System</li>\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">Complements KLA12 Line Array Module</li>\n <li class="listItem_OMS5rN7R1Z" data-selenium="sellingPointsListItem">18" Vented Subwoofer</li>\n</ul>

Technical Details

Specifications

General

QSC KLA181 Specs

Key Specs
Configuration
Active Subwoofer
Enclosure Type
Bass-Reflex Subwoofer
Total Power Capacity
1000 W
LF Driver
1 x 18" / 45.72 cm Woofer
Frequency Range
33 Hz -10 dB
Enclosure Type
Bass-Reflex Subwoofer
Total Power Capacity
1000 W
Drivers
LF Driver
1 x 18" / 45.72 cm Woofer
Performance
Frequency Range
33 Hz -10 dB
Frequency Response
38 Hz -6 dB
Maximum SPL
135 dB
I/O Impedance
XLR Input: 40 Kilohms (Balanced) 20 Kilohms (Unbalanced)
Protections
Excursion, Overcurrent, Thermal
Connectivity
Audio I/O
1 x XLR 3-Pin Female Balanced Line Input 1 x XLR 3-Pin Male Balanced Line Output
Mobile App Compatible
*As of February, 2023: Check with manufacturer for the most up-to-date compatibility
Signal Processing
Phase Adjustment
Yes
Power
AC Input Power
100 to 240 VAC, 50 / 60 Hz
AC Power I/O
1 x powerCON Input 1 x powerCON Output
Current Consumption
100 VAC: 2.3 A (1/8 Power) 120 VAC: 2.01 A (1/8 Power) 230 VAC: 1.13 A (1/8 Power)
Physical
Mounting
1 x M20 Pole Socket (Top) 4 x M10 Fly Point (Top) 1 x Bracket Point (Each Side)
Handles
2 x Each Side
Cooling
Fan
Dimensions
21.6 x 23.4 x 25.7" / 547 x 594 x 653 mm
Weight
104 lb / 47.2 kg
Packaging Info
Package Weight
120 lb
Box Dimensions (LxWxH)
31 x 28 x 24"
QSC KLA181 1000W Powered 18" Flying Subwoofer (Black)
QSC

QSC KLA181 1000W Powered 18" Flying Subwoofer (Black)

$2,749.99

Brightness

N/A

N/A

Weight without stand

N/A

N/A

Weight with Stand

N/A

N/A

Duty Cycle

N/A

N/A

Dimensions

N/A

N/A

Aspect Ratio

N/A

N/A

Content

N/A

N/A

Native Resolution

N/A

N/A

Lumens (ANSI)

N/A

N/A

Contrast Ratio

N/A

N/A

Throw Distance

N/A

N/A

Lens

N/A

N/A

Inputs

N/A

N/A

Outputs

N/A

N/A

Display Technology

N/A

N/A

Wireless Networking

N/A

N/A

Speakers

N/A

N/A

Economode

N/A

N/A

Audible Noise

N/A

N/A

Lamp Life

N/A

N/A

Short Throw

N/A

N/A

Aspect Ratio

N/A

N/A

Image Size Diagonal

N/A

N/A

Lens Shift

N/A

N/A

Data / Video Signals

N/A

N/A

Digital Keystone

N/A

N/A

Unit Weight

N/A

N/A

Projector Methods

N/A

N/A

Dimensions (WxDxH)

N/A

N/A

Dimensions (WxDxH)

N/A

N/A

Contrast Ratio

N/A

N/A

Viewing Angle

N/A

N/A

Response Time

N/A

N/A

Sound Output

N/A

N/A

Screen Size

N/A

N/A

Monitor Configuration

N/A

N/A

Display Orientation

N/A

N/A

WiFi

N/A

N/A

Communication Port

N/A

N/A

Refresh Rate

N/A

N/A

General

<div class="title_PCPNqBQRJv">
<h2 class="text_TAw0W35QK_ comfy_TAw0W35QK_ sizeTitle1_TAw0W35QK_ weightNormal_TAw0W35QK_ primary_i3MsQsqoe0" data-selenium="specsItemTitle">QSC KLA181 Specs</h2>
</div>
<div class="group_fDXOr6EpR9 keySpec_fDXOr6EpR9">
<div class="name_fDXOr6EpR9 firstGroupInItem_fDXOr6EpR9" data-selenium="specsItemGroupName">Key Specs</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv keySpec_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Configuration</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Active Subwoofer</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv keySpec_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Enclosure Type</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Bass-Reflex Subwoofer</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv keySpec_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Total Power Capacity</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1000 W</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv keySpec_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">LF Driver</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>18" / 45.72 cm Woofer</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv keySpec_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Frequency Range</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">33 Hz -10 dB</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Enclosure Type</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Bass-Reflex Subwoofer</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Total Power Capacity</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">1000 W</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Drivers</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">LF Driver</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>18" / 45.72 cm Woofer</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Performance</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Frequency Range</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">33 Hz -10 dB</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Frequency Response</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">38 Hz -6 dB</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Maximum SPL</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">135 dB</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">I/O Impedance</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>XLR Input:</b>
40 Kilohms (Balanced)
20 Kilohms (Unbalanced)</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Protections</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Excursion, Overcurrent, Thermal</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Connectivity</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Audio I/O</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>XLR 3-Pin Female Balanced Line Input
<b>1 x </b>XLR 3-Pin Male Balanced Line Output</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Mobile App Compatible</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">
<i>*As of February, 2023: Check with manufacturer for the most up-to-date compatibility</i></div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Signal Processing</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Phase Adjustment</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><span class="notSpecfMon">Yes</span></div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Power</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">AC Input Power</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">100 to 240 VAC, 50 / 60 Hz</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">AC Power I/O</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>powerCON Input
<b>1 x </b>powerCON Output</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Current Consumption</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>100 VAC:</b>
2.3 A (1/8 Power)
<b>120 VAC:</b>
2.01 A (1/8 Power)
<b>230 VAC:</b>
1.13 A (1/8 Power)</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Physical</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Mounting</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>1 x </b>M20 Pole Socket (Top)<b></b>
<b>4 x </b>M10 Fly Point (Top)<b></b>
<b>1 x </b>Bracket Point (Each Side)<b></b></div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Handles</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv"><b>2 x </b>Each Side</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Cooling</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">Fan</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Dimensions</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">21.6 x 23.4 x 25.7" / 547 x 594 x 653 mm</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Weight</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">104 lb / 47.2 kg</div></td>
</tr>
</tbody>
</table>
</div>
<div class="group_fDXOr6EpR9">
<div class="name_fDXOr6EpR9" data-selenium="specsItemGroupName">Packaging Info</div>
<table class="table_fDXOr6EpR9" data-selenium="specsItemGroupTable">
<tbody>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnLabel">Package Weight</td>
<td class="value_KqJ3Q3GPKv " data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">120 lb</div></td>
</tr>
<tr class="pair_KqJ3Q3GPKv" data-selenium="specsItemGroupTableRow">
<td class="label_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnLabel">Box Dimensions (LxWxH)</td>
<td class="value_KqJ3Q3GPKv" data-selenium="specsItemGroupTableColumnValue">
<div class="expandableValue_KqJ3Q3GPKv">31 x 28 x 24"</div></td>
</tr>
</tbody>
</table>
</div>

N/A

VESA Pattern

N/A

N/A

TAA Compliant

N/A

N/A

PDF Documents

N/A

N/A

Diagonal Size

N/A

N/A

Dimensions

N/A

N/A

Aspect Ratio

N/A

N/A

Sensor

N/A

N/A

Resolution

N/A

N/A

Signal Sysyetm

N/A

N/A

Signal To Noise Ratio

N/A

N/A

Gain

N/A

N/A

Shutter Speed Range

N/A

N/A

Exposure Control

N/A

N/A

White Balance

N/A

N/A

Image Stabilization

N/A

N/A

Image Flip

N/A

N/A

ICR

N/A

N/A

Sync

N/A

N/A

Output

N/A

N/A

Audio Input

N/A

N/A

Audio

N/A

N/A

Camera Control

N/A

N/A

Focal Length

N/A

N/A

Minimum Object Distance

N/A

N/A

Pan Angle

N/A

N/A

Tilt Angle

N/A

N/A

Pan Speed

N/A

N/A

Tilt Speed

N/A

N/A

Presets

N/A

N/A

Operating Temperature

N/A

N/A

Power

N/A

N/A

Power Consumption

N/A

N/A

Minimum Illumination

N/A

N/A

Optical Zoom

N/A

N/A

TAA Compliant

N/A
View product

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