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QSC KS212C K Cardioid Subwoofer

The QSC KS212C subwoofer represents the world’s first-in-class single-box powered cardioid subwoofer solution for highly portable entertainment and installation applications.


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MSRP: Old Price $1,899.99 Discounted Price $1,599.99 Save : $300.00 (16%)
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MSRP: Old Price $1,899.99 Discounted Price $1,599.99 Save : $300.00 (16%)
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A breakthrough in innovation and design, the 3,600 Watt KS212C subwoofer uniquely provides all the benefits of cardioid deployment in a single, compact enclosure. “Keeping bass in its place” for mobile entertainers, AV production and rental professionals, as well as modestly-sized performance venues, the KS212C subwoofer is unparalleled in its ability to manage low frequencies on the stage, or any application where undesirable low frequency energy needs to be minimized.

Powered by a 3,600 Watt Class D amplifier, processed with the latest DSP technology, and featuring dual 12-inch long excursion drivers each arranged in a 6th order bandpass chamber, these components all combine seamlessly to produce a staggering 15 dB more output at the front of the cabinet than at the rear. Highly portable, the cabinet features comfortable, aluminum handles and four, rear-mounted casters. Two M20 sockets accept a 35mm speaker pole in other horizontal or vertical orientation.

  • 3600 Watt Class D power module
  • Dual 12-inch long excursion drivers; Dual 6th order band-pass design
  • 15 dB SPL attenuation front-to-rear  
  • Two M20 threaded sockets (one on top, one on side) accept 35 mm speaker pole
  • Four low-noise, heavy-duty casters
  • HxWxD = 24.5” x 15.5” x 33.5” (622 x 394 x 851 mm)
  • 88.5 lbs (40.1 kg)

Get your QSC KS212C K Cardioid Subwoofer today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.

Things You Will Get:

  • KS212C K Cardioid Subwoofer
  • Four low-noise, heavy-duty casters
  • Power Cable
  • Owner's Manual

Buy it !!!


Great Sound for my small night club!



Qsc is the best


I love the ks212 it's the best. just buy the Ks118 sub can't wait to play it



Fantastic sub woofer!


I have two of these and use them in conjunction with a pair of K2.2 12's for my three piece band. Depending on the venue I switch between the pair and single sub configuration. Fantastic bass response and what a difference on the stage. I can now hear everything more clearly thanks to the Cardoid pattern of the subs. Very easy to transport and the casters are top grade making these easy to move around.



KS212C K Cardioid Subwoofer

5.0 3


Coverage Angle 180˚ Cardioid (15dB rear rejection @ 70Hz)
Power Class Class D
LF Driver Size 12"
Weight 88.5 lbs (40.1 kg)
Controls Power, Gain, Rotary encoder, 2 x selection buttons
Dimensions HxWxD = 24.5” x 15.5” x 33.5” (622 x 394 x 851 mm)
Frequency Range 39 Hz - 118 Hz (-10 dB)
Frequency Response 44 Hz - 104 Hz (-6 dB)
Maximum SPL 132dB @1m, peak
Model KS212C
Other Features Four low-noise, heavy-duty casters
Two M20 threaded sockets (one on top, one on side) accept 35 mm speaker pole
Connectors 2 x locking XLR/F ¼” combo
2 x XLR/M (Loop-thru Output)
1 x locking IEC power connector
Power Rating 3600 Watt (2 x 1800W- Peak)
Warranty Info:

QSC warrants the QSC-manufactured hardware, products, and accessories contained in the original packaging ("QSC Product") against defects in materials and workmanship when used normally in accordance with QSC's published guidelines for a period (“Warranty Period”). The Warranty Period is the greater of (i) three (3) years from the date of purchase, or (ii) the maximum period required under the local laws where the QSC Product is purchased.  QSC's published guidelines include but are not limited to information contained in technical specifications, user manuals, and service communications.  QSC is not responsible for any damage or injury arising from failure to follow instructions relating to the proper use of any QSC Product.  

Notwithstanding the foregoing, the Warranty Period for QSC TouchMix is the greater of (i) one (1) year from the date of purchase, or (ii) the maximum period required under the local laws where QSC TouchMix is purchased.

The most up-to-date version of this warranty statement may be found @ www.qsc.com

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