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KW153

Powered 15-inch 3-way

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  • Front image of KW153 speakers
  • Back image of KW153 speakers
  • Image of KW Series accessories

Features

  • 15-inch woofer; 6.5-inch midrange woofer; 1.75-inch diaphragm compression driver
  • 75° conical DMT™ coverage
  • Maximum SPL 134 dB peak
  • 1000-watt Class D power modules in all models (2 × 500 W continuous)
  • Onboard mixer with two combo XLR and ¼⁻ᶦⁿᶜʰ 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
  • Directivity Matched Transition® (DMT) ensures uniform coverage across the entire sound field
  • Rugged, texture-painted birch enclosures
  • Four-position Mic/Line gain
  • Tour-grade 16 gauge steel grilles
  • Comfortable ergonomic handles
  • 35 mm standard (non-tilt) pole socket
  • M10 rigging points for suspended installation
  • Inputs, Outputs and Mixing
    Combo XLR and 1/4-inch 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. As many as 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. 
  • DEEP™
    Sophisticated digital signal processing provides greater low-frequency extension while precisely protecting the woofer from over-excursion. 
  • DMT™
    Directivity Matched Transition® (DMT) matches the HF coverage angle to the natural coverage angle of the woofer for uniform frequency response over the entire coverage area. 
  • Axisymmetric Wave Guide
    The axisymmetric 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 and 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
    Switch selectable: On (power indicator) / off (dark) / limit (limiter indication) 
  • 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. 
  • Connectivity
    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. 
  • Protections
    QSC's Guardrail™ technology protect your loudspeakers from overexcursion. On-demand cooling fan and thermal limiting prevent overheated electronics.

Specifications

Model KW153
Configuration 15-inch 3-way trapezoidal
Transducers
Low-frequency
Mid-frequency
High-frequency		 15-inch cone transducer

6.5-inch mid range cone transducer

1.75-inch diaphragm compression driver
Frequency Response (-6 dB) 35 Hz to 18 kHz
Frequency Range (-10 dB) 33 Hz to 20 kHz
Nominal Coverage (-6 dB) 75° axisymmetric
Maximum SPL1 134 dB peak
Amplifier
Power Output2 1000 W Class D (500 W LF + 500 W MF/HF) continuous
2000 W peak
Input Impedance Channel A XLR / ¼⁻ᶦⁿᶜʰ:
Mic gain setting Balanced Unbalanced
0 dB 38 kΩ 19 kΩ
+12 dB 10 kΩ 5 kΩ
+24 dB 2.66 kΩ 1.33 kΩ
+36 dB 660Ω 330Ω
Channel B XLR / ¼⁻ᶦⁿᶜʰ: 38 kΩ balanced / 19 kΩ unbalanced
Channel B RCA: 10 kΩ
Controls Power, Gain A, Gain B, Channel A Input Gain (0 dB / 12 dB / 24 dB / 36 dB), 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 (24 dB and 36 dB settings)
Connectors Balanced female XLR/¼⁻ᶦⁿᶜʰ line/mic level input, Balanced female XLR/¼⁻ᶦⁿᶜʰ 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, 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 to 60 Hz
AC Power Consumption
(1/8 Power)		 100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
Enclosure
Material 15 mm painted birch plywood
Finish Black textured paint
Grille Black powder coated 16 gauge steel
Speaker Dimensions (H×W×D) 1094 × 470 × 427 mm
43.1 × 18.5 × 16.8 in
Carton Dimensions (H×W×D) 580 × 560 × 1168 mm
22.8 × 22 × 46 in
Net Weight 39.5 kg / 87 lb
Shipping Weight 47.6 kg / 104.9 lb
Available Accessories KW153 cover, KW M10 kit


1 For comparison purposes and in accordance with common industry practice, maximum peak SPL specifications are theoretical calculations based upon transducer sensitivity and peak available amplifier power.
2 Independent of limiters and driver protection circuits.

All specifications are subject to change without notice.