QSC KS212C: 12" Cardioid Dual Subwoofer
- In stock, ready to ship
- Backordered, shipping soon

The QSC KS212C 12" Cardioid Dual Subwoofer represents the world's first in class single box powered Cardioid Subwoofer solution for highly portable entertainment and installation applications.
A breakthrough in innovation and design, the 3600 W KS212C 12" Cardioid Dual 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.
Features:
- 3600 W class D power module
- Dual 12" long excursion drivers; Dual 6th order band pass design
- 15 dB SPL attenuation front rear
- 2 M20 threaded sockets (one on top, one on side) accept 35 mm speaker pole
- 4 low noise, heavy duty casters
- H x W x D = 25" x 16" x 34" (622 x 394 x 851 mm)
- 89 lbs (40.1 kg)
Powered by a 3600 W class D amplifier, processed through the latest DSP technology, and featuring Dual 12" 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. 2 M20 sockets accept a 35 mm speaker pole in other horizontal or vertical orientation.
Specifications | KS212C |
Configuration | Dual 6th order bandpass Cardioid Subwoofer |
LF transducer | 2 x 12" (305 mm), cone |
Frequency response (- 6 dB) | 44 -104 hz |
Frequency range (- 10 dB) | 39 - 118 hz |
Nominal coverage angle | 180˚ Cardioid (15 dB rear rejection @ 70 hz) |
Maximum rated SPL1 | 132 dB @1 m, peak |
Amplifier |
class D 2 x 1800 W (peak) |
Cooling | low noise, variable speed fan |
Controls |
power gain rotary encoder 2 x selection buttons |
Indicators |
2 x power LED (front and rear) input signal LED limiter active LED |
Connectors |
2 x locking XLR / F 1 / 4" combo 2 x XLR / M (loop thru output) 1 x locking IEC power connector |
AC power input | universal power supply (100 - 240 VAC, 50 - 60 hz) |
AC power consumption | 1 / 8 power |
Enclosure details: | |
Enclosure | 18 mm birch plywood |
Color | black (RAL 9011) |
Grille | internal woofer cover |
Dimensions (HWD) (") | 25 × 16 × 34" |
Dimensions (HWD) (mm) | 622 x 394 x 851 mm |
Net weight | 40.1 kg (89 lbs) |
Shipping weight | TBD |
Regulatory | CE, WEEE, UL, China ROHS, ROHS II, FCC class B |
Optional accessories |
KS212C cover, KS-LOC lock out cover SP-16X extension pole |
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.