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The KS212C subwoofer represents the world’s first-in-class single-box powered cardioid subwoofer. 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 minimize.


QSC KS 212C 2×12″ 3600 Watt Active Cardioid Subwoofer Specifications
-Configuration: Dual 6th-order bandpass cardioid subwoofer
-LF Transducer: 2 x 12” (305 mm), cone
-Frequency Range (-10 dB): 39 Hz – 118 Hz
-Nominal Coverage Angle: 180° Cardioid (15dB rear rejection @ 70Hz)
-Maximum Rated SPL1: 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
-Color: 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
-Optional Accessories: KS212C Cover, KS-LOC Lock-Out Cover, SP-16X Extension Pole

QSC KS 212C (Dual 12 inch 3600 Watt Powered Subwoofer)