QSC KS212C 3600W Powered Dual 12” Cardioid Subwoofer




The KS212C 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 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.

• “First-in-class” compact single-box cardioid solution
• 3600 Watt Class D amplifier module
• Cardioid pattern provides -15 dB SPL attenuation front-to-rear
• Dual 12-inch, long-excursion drivers; Dual 6th order band-pass design
• Variable crossover and savable/recallable Scenes for commonly-used applications
• TFR (Turbulent Flow Reduction) port design provides optimal resonant tuning and high velocity air flow
• 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 M20 speaker pole fittings (36-inch speaker pole included)
• Optional KS LOC security cover prevents unauthorized tampering of controls

• Configuration: Dual 6th-order bandpass cardioid subwoofer
• LF Transducer: 2 x 12″ (305 mm), cone
• Frequency Response (-6 dB): 44 Hz – 104 Hz
• Frequency Range (-10 dB): 39 Hz – 118 Hz
• Nominal Coverage Angle: 180 degree Cardioid (15dB rear rejection @ 70Hz)
• Maximum Rated SPL: 132dB @1m, peak
• Amplifier: Class D, 2 x 1800W (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: 1/8th power
• Enclosure: 18mm birch plywood
• Colour: Black (RAL 9011)
• Grille: Internal woofer cover
• Dimensions (HWD) inches: 24.5″ 15.5″ 33.5″
• Dimensions (HWD) mm: 622 mm x 394 mm x 851 mm
• Net Weight: 40.1 kg (88.5 lbs)
• Regulatory: CE, WEEE, UL, CHina RoHS, RoHS II, FCC Class B



QSC is an American manufacturer of audio products including power amplifiers, loudspeakers, digital mixers and digital signal processors including the Q-Sys networked audio, video and control platform. QSC products are used by professional installed, portable, production, corporate and cinema customers worldwide.


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