QSC KW153 Active Loudspeaker
- 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
Standard KW Series Features
- 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.
Sophisticated digital signal processing provides greater low-frequency extension while precisely protecting the woofer from over-excursion.
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, lightweight 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.
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 a lower overall current draw.
QSC’s Guardrail™ technology protects your loudspeakers from over-excursion. On-demand cooling fans and thermal limiting prevent overheated electronics.
|Configuration||15-inch 3-way trapezoidal|
|15-inch cone transducer
6.5-inch mid-range cone transducer
The 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|
|Power Output2||1000 W Class D (500 W LF + 500 W MF/HF) continuous
2000 W peak
|Input Impedance||Channel A XLR / ¼⁻ᶦⁿᶜʰ:
Channel B XLR / ¼⁻ᶦⁿᶜʰ: 38 kΩ balanced / 19 kΩ unbalanced
|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
|100 VAC, 2.3 A
120 VAC, 2.01 A
230 VAC, 1.13 A
|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|
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