The QSC KW153 is a premium-grade 15" 3-way active loudspeaker delivering 1000 watts of Class D power and pristine sound clarity, built into a rugged birch enclosure. Designed as part of the acclaimed KW Series, the KW153 combines the lightweight performance and DSP innovations of QSC’s K Series with the enhanced audio projection of a wood cabinet. With extensive onboard DSP including Intrinsic Correction™, DEEP™, and GuardRail™, this speaker maximizes clarity, output, and system protection, giving users an elite sound experience in both portable and installed applications. A built-in 2-channel mixer and multiple input options offer versatile connectivity, while its defined 3-way system ensures exceptional accuracy across the frequency spectrum. For installed setups, integrated M10 rigging points and standard pole mounting offer flexible deployment options.
Features:
15" low-frequency driver, 6.6" mid-frequency driver, and 1.75" high-frequency compression driver
1000 W continuous Class D amplification (500 W LF, 500 W MF/HF)
3-way design for enhanced frequency separation and clarity
Advanced DSP processing with Intrinsic Correction™, DEEP™ mode, and GuardRail™ protection
Directivity Matched Transition (DMT™) for smooth and consistent coverage across the listening area
Four-position mic/line gain switch for flexible input handling
Multiple input options including combo XLR/TRS and RCA
Built-in 2-channel mixer for simple signal routing
HF and LF EQ preset switches for vocal boost, bass extension, and external sub modes
Rear panel LED indicator switch with selectable modes (Power/Limit/Off)
M10 rigging points for suspended installations
Compatible with QSC TouchMix mixers for an optimized system
Includes locking IEC power connector and auto-standby functionality
Constructed with rugged, texture-painted Baltic birch and steel grille for road-ready durability
Specifications:
Configuration: 15" 3-way active loudspeaker
Low-Frequency Driver: 15" cone transducer
Mid-Frequency Driver: 6.6" cone transducer
High-Frequency Driver: 1.75" diaphragm compression driver
Frequency Response (-6 dB): 35 Hz – 18 kHz
Frequency Range (-10 dB): 33 Hz – 20 kHz
Nominal Coverage: 75° axisymmetric
Maximum SPL: 134 dB peak
Power Output: 1000 W continuous Class D (500 W LF, 500 W MF/HF)
Peak Power: 2000 W
Controls: Power, Gain A/B, Channel A Input Gain (0/12/24/36 dB), LF Mode (Ext Sub/Norm/DEEP™), HF Mode (Flat/Vocal Boost), LED (On/Off/Limit)
Indicators: Power, Signal A/B, Standby, Limit, Mic Gain
Input Connectors: Combo XLR/¼" TRS (mic/line), Stereo RCA
Output Connectors: Dual balanced XLR line outs, XLR mix out
Remote Control: Phoenix-style connector for gain control
Cooling: Variable speed fan, on demand
Protection: Thermal, overcurrent, overtemperature, excursion limiting, GuardRail™
AC Power Input: 100–240 VAC, 50–60 Hz universal power supply
Enclosure Material: 15 mm painted Baltic birch plywood
Finish: Black textured paint
Grille: Black powder-coated 16-gauge steel
Pole Mount: Standard 35 mm
Rigging: M10 rigging points
Dimensions (H x W x D): 1067 x 445 x 438 mm
Weight: Approx. 42.2 kg (93 lb)