QSC KS112 Active Subwoofer

2000W active, Compact subwoofer; 12-inch woofer; 4 large, swivel casters; dual M20 threaded pole socket; speaker pole optional accessory.


QSC KS112 Active Subwoofer

The QSC KS112 Active Subwoofer is an ultra-compact active subwoofer for installation and highly portable entertainment applications. The KS112 is a highly portable, single 12-inch bandpass design subwoofer, powered by a 2000 Watt peak power Class D amplifier module. The cabinet is constructed of premium birch and includes high-quality, low-noise casters.

Two M20 threaded pole receptacles are available for a positive, wobble-free connection to a threaded speaker pole in either vertical or horizontal deployment (pole not included).


    • High Output in an ultra-compact form factor
    • 2000 Watt Class D amplifier module
    • 12-inch, long-excursion driver; 6th order bandpass design
    • Intrinsic Correctiontuning and loudspeaker management
    • Refined, professional appearance looks great in any application
    • Rugged painted wood enclosure for long life and lasting durability
    • Deployment in either vertical or horizontal positions with dual M20 speaker pole fittings
    • Optional KS-LOC security cover prevents unauthorized tampering of controls
    • Complete EASE & CAD information available online
    • 6-Year Warranty*
Configuration 6th-Order Bandpass Subwoofer
LF Transducer 305 mm (12 in), Cone
Frequency Response (-6 dB) 41 Hz – 108 Hz
Frequency Range (-10 dB) 38 Hz – 121 Hz
Maximum Rated SPL1 128 dB @ 1 m (peak)
Amplifier Class D
2000W (peak)
Cooling Low-noise, variable-speed fan
Controls Power On/Off
Gain Control
Rotary encoder
2 × selection buttons
Indicators 2 × Power LED (front and rear)
Input Signal LED
Limiter Active LED
Connectors 2 × locking XLR/F 1/4-inch combo
2 × XLR/M (Loop-thru Output)
1 × locking IEC power connector
AC Power Input Universal power supply 100 – 240 VAC, 50 – 60 Hz
AC Power Consumption 100 VAC, 2.4 A / 120 VAC, 2.0 A / 240 VAC, 1.3 A
Enclosure Details
Enclosure 15 mm Birch Plywood
Color Black (RAL 9011)
Grille Internal woofer cover
Speaker Dimensions (H×W×D) 622 × 394 × 616 mm
24.5 × 15.5 × 24.25 in
Carton Dimensions (H×W×D) 740 × 500 × 673 mm
29 × 19.7 × 26.5 in
Net Weight 28.4 kg / 62.6 lb
Shipping Weight 35 kg / 77.2 lb
Regulatory CE, WEEE, UL, China RoHS, RoHS II, FCC Class B
Included Accessories 4 × Low-Noise, Heavy Duty Casters
Optional Accessories KS112 CVR Transport Cover, KS-LOC Lock-Out Cover
SP-26 and SP-36 Loudspeaker Poles, SP-16X Extension Pole


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