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QSC KW152 1000 Watt 2-way Active Speaker with 15” Woofer

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Item#: KW152
UPC: 684284059796
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About This Product

QSC KW152 1000 Watt 2-way Active Speaker with 15” Woofer

Building on the success of our K Series, the KW Series represents the next evolutionary step in wood enclosure loudspeakers. Our system engineers have created the KW Series to feature all the groundbreaking electronic attributes of our popular K Series while at the same time designing a product that is both smaller and significantly lighter than previous wood enclosure models.

High Output:

Like K Series, each of the four KW Series models features a QSC designed, 1000 watt (2 x 500 W continuous) Class D power module. And continuing in the K Series tradition, every model is fitted with the identical high-output 1.75" HF device (full-range models) and woofers of the same high quality design, regardless of speaker size.

Defined Coverage Area:

Directivity Matched Transition (DMT) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.


  • Intrinsic Correction, first featured in our high-end line array products maps 65-75 spatially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat bandpass target. The result is a speaker that behaves equally well across the entire sound field.
  • DEEP and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies.
  • GuardRail protection, first introduced on our GX Series amplifiers protects both the amplifier module and your performance from unnatural and destructive clipping.



KW Series features a four-position mic / line gain switch that allows for connection of a wide variety of devices. Combo XLR and 1/4" TRS inputs accept both mic and line level input while a set of RCA phono inputs (except KW181) allow additional connectivity to portable MP3 players, CD players and line-level mixers. Up to three audio sources can be mixed internally and summed to a balanced output for "daisy-chaining" of multiple units. Separate direct outputs are also provided on each channel for additional output flexibility.


On-board switches provide preset EQ settings. The HF setting (full-range models) can be set to VOCAL BOOST for additional presence in the critical mid-frequency area or FLAT for accurate reproduction of the incoming signal. The LF switch can be set to NORM, DEEP for additional bass extension, or EXT SUB (full-range models) for use with an external subwoofer. The rear panel LED switch can be set to POWER, illuminating the front-mounted LED when the unit is powered on, OFF for applications where it is not desirable to illuminate the front LED, or LIMIT which indicates to the system operator that the clip limiter circuit has been engaged during operation.


The KW122 and KW152 feature a unique Tilt-Direct pole cup mounting system. A simple turn of the dial engages a 7.5 degree downward tilt of the speaker allowing acoustic energy to be kept on the audience and off reflective surfaces for applications where maximum coverage from a high-positioned speaker is desired.

Remote Gain:

Remote gain control capability is offered via a potentiometer (not included) connected to the on-board Phoenix-Style connector. In an installed application, multiple KW Series speakers can be "daisy-chained" for total gain control from a single remote pot. Auto-standby mode is engaged after 5 minutes of inactivity.

Premium-grade materials:

KW Series is designed to withstand the rigors of professional use. Advanced construction processes, premium-grade Baltic birch cabinetry, ergonomic, cast aluminum handles, low-noise casters (KW181) and a highly protective steel grille provide for ease of transport and long term durability. Integrated M10 suspension points allow for flown applications with a KW M10 KIT (sold separately) and a threaded pole receptacle (KW181) provides for a positive, wobble free connection to a threaded speaker pole (included).

KW Series Features:

  • 15” Woofer; 1.75” diaphragm compression driver.
  • 60° Nominal coverage angle.
  • Maximum SPL 133 dB peak.
  • 1000 watt Class D power modules in all models (2 x 500 W continuous).
  • Onboard mixer with two combo XLR and ¼” inputs, and stereo RCA inputs, (three audio input sources); two direct channel outputs and single summed balanced output.
  • Extensive DSP featuring DEEP and Intrinsic Correction enhances system performance.
  • DMT (Directivity Matched Transition) ensures uniform coverage across the entire sound field.
  • Rugged, texture-painted birch enclosures.
  • Four-position Mic/Line gain (full-range models).
  • Tour-grade 16 gauge steel grilles.
  • Comfortable ergonomic handles.
  • 35 mm pole sockets with Tilt-Direct.
  • M10 rigging points for suspended installation.


Inputs, Outputs and Mixing

Combo XLR and 1/4" TRS inputs accept both Mic and Line Level input while a set of RCA phono inputs (except KSub) allow additional connectivity to portable MP3 players, CD players and line-level mixers. Up to three audio sources can be mixed internally and summed to a balanced output for "daisy-chaining" of multiple units. Separate direct outputs are also provided on each channel for additional output flexibility.


Sophisticated digital signal processing provides greater low-frequency extension while precisely protecting the woofer from over-excursion.


Directivity Matched Transition matches the HF coverage angle to the natural coverage angle of the woofer for uniform frequency response over the entire coverage area.

Conical Wave Guide

The conical wave guide eliminates the phase distortions of typical asymmetric horns for more natural reproduction.

1000 Watts

The same state of the art, light-weight Class D amplifier module powers all the K & KW Series models.

EQ Modes

Optimize for a specific application with the simple flip of a switch.

Energy Management

Automatic standby mode conserves energy and extends the life of the loudspeaker.

LED Operation

Turn of the front panel power LED or switch it to show limiting operation.

Remote Control

Easy to use remote gain control is ideal for installed applications.

Pro Appearance

Sleek lines and a full grille for a more professional look than other molded loudspeakers.

Locking IEC Power Cable

Help prevent unexpected interruptions.


Mic/line and RCA inputs along with onboard mixing controls allow greater flexibility.

Tilt-Direct Pole Mount

A simple turn of the dial is all it takes to alter the vertical directivity by 7.5 degrees.

Suspension and Mounting

With integrated threaded inserts, KW Series is equally at home in mounted or flown applications.

Threaded Pole

The KW181 subwoofer comes with a threaded pole for a snug, safe fit.

Intrinsic Correction

An exclusive QSC process that applies extensive acoustic measurements to noticeably improve audio quality.

Class D

Higher efficiency produces less heat and more sonic performance with lower overall current draw.


QSC's Guardrail technology protect your loudspeakers from overexcursion. On-demand cooling fan and thermal limiting prevent overheated electronics.

QSC KW152 Specifications
Powered Yes
Power Configuration Bi-amped
LF Driver Size 15"
LF Driver Power Amp 500W Class D
HF Driver Size 1.75"
HF Driver Power Amp 500W Class D
Frequency Range 44Hz-20kHz (-10dB)
Crossover Frequency 2kHz
Maximum Peak SPL 133dB
Horizontal Coverage Angle 60 Degrees Axisymmetric
Vertical Coverage Angle 60 Degrees Axisymmetric
Enclosure Material 15mm Birch Plywood
Mounting Options Pole, Fly
Inputs 1 x Combo (XLR/TRS, Mic/Line), 1 x Combo (XLR/TRS, Line), 2 x RCA
Outputs 2 x XLR (Direct), 1 x XLR (Line)
Height 32.1"
Width 17.5"
Depth 15.2"
Weight 64 lbs.
The KW152 Box Includes:
(1) KW152 Loudspeaker system
(1) Locking NEMA 5-15 power cable
(1) Locking CEE 7/4 power cable
(1) User Manual CD
(1) Wiring hookup diagram