Three models. Three incredible approaches to low frequency sound reinforcement.

Image of a KS112 subwoofer on stage

KS112

Ultra-Compact


  • High output in an ultra-compact form factor
  • 2000 Watt Class D amplifier
  • 12-inch, long-excursion driver; 6th order band-pass design
  • Refined, professional appearance looks great in any application
  • Vertical or horizontal deployment with dual M20 loudspeaker pole fittings

 

KS112 Omni-directional radiation

KS112 Omni-directional radiation

Image of a KS212C subwoofer on stage

KS212C

Directional


  • World’s first-in-class single-box active cardioid subwoofer
  • 3600 Watt Class D amplifier
  • Dual 12-inch, long-excursion drivers;
    Dual 6th order band-pass design
  • 15 dB SPL front-to-rear attenuation
  • Vertical or horizontal deployment with dual M20 loudspeaker pole fittings
KS212C Cardioid radiation

KS212C Cardioid radiation

Image of a KS118 subwoofer on stage

KS118

Commanding and Powerful


  • Impressive low frequency performance
  • 3600 Watt Class D amplifier
  • 18-inch, long-excursion direct radiating driver
  • Omni-directional or cardioid radiation modes
  • Selectable DEEP™ mode for extremely low
    frequency extension
  • Vertical or horizontal deployment (M20
    threaded pole receiver for vertical setup)
KS118 Omni-directional, or cardioid (min. 2 units), radiation

KS118 Omni-directional, or cardioid (min. 2 units), radiation

Image of QSC subwoofers, image text: Choose your subwoofer, KS Series Sub selector
Image text: Introducing KS Series, watch now

SELECT A MODEL

Model KS112 KS212C KS118
Configuration 6th-order bandpass Dual 6th-order bandpass cardioid Direct radiating
LF Transducer 305 mm (12 in), cone 2 × 305 mm (12 in), cone 460 mm (18 in), cone
Frequency Response (-6 dB) 41 Hz - 108 Hz 44 Hz - 104 Hz 41 Hz - 98 Hz
Frequency Range (-10 dB) 38 Hz - 121 Hz 39 Hz - 118 Hz 35 Hz - 111 Hz
Speaker Dimensions (H×W×D) 622 × 394 × 616 mm
24.5 × 15.5 × 24.25 in
622 × 394 × 851 mm
24.5 × 15.5 x 33.5 in
640 × 520 × 785 mm
25.2 × 20.5 × 30.9 in
Carton Dimensions (H×W×D) 740 × 500 × 673 mm 
29 × 19.7 × 26.5 in
970 × 500 × 670 mm
38.2 × 19.7 × 26.4 in
572 × 743 × 896 mm
22.5 × 29.3 × 35.3 in
 

Details

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Details

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Details

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All specifications are subject to change without notice.

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