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QSC KW153 Powered Speaker 15" 3-way 1000w
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      QSC KW153 Powered Speaker 15" 3-way 1000w (485944)

A 15" 3-way active loudspeaker with a 1000W Class D power module, DSP, and much more.

Building on the success of QSC's K Series, the 3-way KW153 active speaker, like the rest of the KW Series, represents QSC's next evolutionary step in wood enclosure loudspeakers. The system engineers created the KW Series to feature all the groundbreaking electronic attributes of the popular K Series loudspeakers while at the same time designing a speaker that is both smaller and significantly lighter than previous wood enclosure models.

High Output
Like it's K Series predecessors, the QSC KW153 features a QSC designed, 1000W (2 x 500) Class D power module. The powered speaker is also fitted with the identical high-output 1.75" HF device and 15" LF cone transducer of the same high-quality design, with the addition of a 6.5" cone transducer for the mid-frequency.

Defined Coverage Area
The QSC KW153 active speaker also comes with Directivity Matched Transition (DMT) technology which provides matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.

Extensive signal processing is employed throughout the QSC speaker, providing levels of sonic clarity and total output that defy all expectations for a speaker in this category:
•Intrinsic Correction: first featured in QSC's high-end line array products, it 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 QSC's GX Series amplifiers protects both the amplifier module and your performance from unnatural and destructive clipping

The QSC KW153, like all the KW Series speakers, features a four-position mic / line gain switch that lets you connect to 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 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.

Onboard switches provide preset EQ settings. The HF setting 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 for use with an external subwoofer. The loudspeaker's rear panel LED switch can be set to POWER, illuminating the front-mounted LED when the speaker 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.

Remote Gain:
Remote gain control capability is offered via a potentiometer (not included) connected to the onboard Phoenix-Style connector. In an installed application, multiple QSC 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:
The QSC KW153 active speaker, like all its KW Series brethren, is designed to withstand the rigors of professional use. Advanced construction processes, premium-grade Baltic birch cabinetry, ergonomic, cast aluminum handles, and a highly protective steel grille provide for ease of transport and long-term durability. Integrated M10 suspension points allow for flown applications.

QSC KW153 Powered Speaker 15" 3-way 1000w Features:

  • K Series performance in a more lightweight, trapeziodal design
    15" 3-way speaker with a 6.5" cone transducer and a 1.75" diaphragm
    1000-Watt Class D power module (2 x 500W)
    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 speaker enclosure
    4-position Mic/Line gain
    Tour-grade, 16-gauge steel grilles
    Comfortable ergonomic handles
    35mm pole sockets with Tilt-Direct
    M10 rigging points for suspended installation

QSC KW153 Powered Speaker 15" 3-way 1000w Specifications:

  • Configuration: 15" 3-way trapezoidal
    Low-frequency: 15" cone transducer
    Mid-frequency: 6.5" mid range cone transducer
    High-frequency: 1.75" diaphragm compression driver

    Frequency Response (-6 dB): 35Hz-18kHz
    Frequency Range (-10 dB): 33Hz-20kHz
    Nominal Coverage (-6dB): 75° axisymmetric
    Maximum SPL (1 meter): 134dB peak

    Power output: 1000 W Class D (500W LF, 500W MF/HF) continuous
    Input impedance (ohms): Channel A XLR / 1/4":
    Mic gain setting: 0dB (Balanced: 38k, Unbalanced: 19k), +12db (Balanced: 10k, Unbalanced: 5k), +24dB (Balanced: 2.66k, Unbalanced: 1.33k), +36dB (Balanced: 660 ohms, Unbalanced: 330 ohms)
    Channel B XLR/1/4": 38k balanced/19k unbalanced
    Channel B RCA: 10k
    Controls: Power, Gain A, Gain B, Channel A Input Gain (0dB / 12dB / 24dB / 36dB), LF Mode (Ext Sub/Norm/DEEP), HF Mode (Flat/Vocal Boost), Front LED (On/Off/Limit)
    Indicators: Power, Signal A, Signal B, Standby, Limit, Mic (24dB and 36dB settings)
    Connectors: Balanced female XLR/1/4" line/mic level input, Balanced female XLR/1/4" line level input, Dual Balanced male XLR full range line level out, Balanced male XLR "mix" out, Stereo RCA line level input, Remote gain control, Locking IEC power connector
    Cooling: On demand, 50mm 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, 50-60Hz
    AC Power: Consumption (1/8 power): 100 VAC, 2.3 A, 120 VAC, 2.01 A, 230 VAC, 1.13 A

    Material: 15mm painted birch plywood
    Finish: Black textured paint
    Grille: Black powder coated 16-gauge steel
    Dimensions (HxWxD): 43.1" x 18.5" x 16.8", 1094mm x 470mm x 427mm
    Weight (Net): 87lb. (39.5kg)

Product Reviews
(Based on 12 reviews)
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  • XLR inputs have no latches - UGH!

    As reviewed by Geoff Lloyd _ on 9/26/2013

    Great sounding speakers. I have four of them, but there are a few issues: 1. I had to return two of my cabs for repair, there is a known problem on earlier date codes. 2. The handles are located too close to the center of gravity, making them unnecessarily difficult to lift and carry. 3. The XLR input don't have latches! This is terrible, I have to tape them in to prevent the input XLR male plug from falling out due to vibration. I have replaced all the connectors on my cabs with latching XLR/TRS Combos (Amphinol ACJC6AV).

    2 of 2 people found this review helpful.
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  • Amazing Product

    As reviewed by Jordan on 10/24/2010

    I have owned the QSC k12 and KSUB for about a year, and the KW series just builds on that reliable performance and power. The KW153 delivers astounding sound in this small package. I use the term small because what I used to use was twice this size and had multiple pieces. With out a doubt these are the BEST powered cabinets on the market. You will NOT be disappointed!

    28 of 29 people found this review helpful.
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  • QSC KW-153's are clean

    As reviewed by Gilbert A. Vipraio on 11/26/2010

    I picked up a pair of QSC KW-153's about a month ago. They are exceptionally clean throughout their power rating (1,000 watts all night long) without distortion. They are not designed for long projection (75 x 75 degree) but I find this desirable. The mids are very clean as opposed to trying to get clean mids from a 15" speaker and a horn. This design eliminates the high-end horn HONK which is so common among lesser cabs. I am using them with my old Mackie SRS-1500 subs and time aligned the subs and mains to compensate for the KW-153 DSP latency (which is minimal). In order to balance the subs with the mains, I acoustically couple the two subs mid stage for an additional 3dB of output w/o the low-end phase problems commonly found to the left or right of mid-line. Because of their design, you can angle the two speakers to cross cover a common area without the double horn overload. I have never been able to achieve this with other cabs. Going 4-way w/ subs acoustically coupled and mid-line (subs too small for the KW-153's), the speakers are articulate and clear without being overbearing at any location. The DSP functions built into the cabs allows for tailoring the bottom-end for different venues. I used these cabs (x2) with my subs in a 7,000 sq/ft club and the second time out there, I took only 1 KW-153 and no subs so that I could open it up -WOW. I usually do not write reviews but in this case, QSC built a cab to my desired specifications and I am exceptionally anal about time and phase alignment as well as tone/coverage. Kudos to QSC and thanks from the Gil-A-Monster.

    26 of 27 people found this review helpful.
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