QSC KC12

Powered 3-Way Column Loudspeaker System

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Product Highlights

Delivers up to 3000 watts peak for full-range, high-output sound in a compact column format.
Features a 145° horizontal x 35° vertical dispersion pattern for consistent sound across large spaces.
Includes Bluetooth® streaming, USB-C charging, and multiple analog inputs for versatile setups.
Stackable system with removable 32″ pole and integrated DSP for adaptable deployment and tuning.

Rentex No. QSCKC12T | Mfr No. QSCKC12T

The QSC KC12 is a powered 3-way column loudspeaker system delivering 3000 watts of peak power and wide, immersive coverage. It features dual 4-inch midrange drivers, a 1-inch compression driver, and a 12-inch subwoofer for full-range clarity and punch. With Bluetooth streaming, onboard DSP, and flexible deployment options, it’s ideal for portable sound reinforcement.

QSC KC12 Specs

(1) QSC KC12 Active12-inch Column System Subwoofer w/power cord & (1) QSC KC12 32-inch Column System Pole.

Kit Components
QSCKC12S QSC KC12 Active12-inch Column System Subwoofer
IECPWRCBL Edison to IEC power cable (C13)
QSCKCSP32 QSC KC12 32-inch Column System Pole
CAQSCKC12 Case, QSC KC12 Powered 3-Way Column System

Configuration

Active 3-Way Column Loudspeaker System

LF Transducer

305 mm (12-inch), cone

MF Transducers

2 x 102 mm (4-inch), cone

HF Transducer

25.4 mm (1-inch), compression driver

Frequency Response (-6 dB)

45 Hz – 18.5 kHz

Frequency Range (-10 dB)

40 Hz – 20 kHz

Nominal Coverage Angle

145° H x 35° V

Maximum Rated SPL1 (peak)

132 dB @ 1 m

Amplification (peak)

Class D, 3000 W (KC12S Subwoofer 2000 W, KC12T Midrange/High Frequencies 1000 W)

Cooling

Low noise, variable speed fan

Controls

1 x Rotary encoder and 2 x Push buttons

3 x Rotary level potentiometers
1 x AC power switch

Indicators

Monochrome LCD Display 45 x 25.4 mm (1.75 x 1 inch)
2 × Power LEDs (blue), Subwoofer front and rear
1 x Standby LED (yellow)
1 x Limiter LED (red)
3 × Input Signal/Clip LEDs (Signal: green / Clipping: red)
Input A: Mic/Line with assignable Hi-Z selected LED
Input B: Mic/Line with assignable +48 V selected LED
Input C: Bluetooth selected LED

Connectors

2 × locking XLR/F ¼ inch combo (Mic/Line with assignable Hi-Z and Mic/Line with assignable +48 V)
2 × XLR/M (1 x Loop-thru /
1 x Assignable Mix Output Post-DSP)
1 × 3.5 mm TRS (Stereo Input)
1 x USB-C (5V 3A Output for charging mobile devices/Firmware Update)
1 × locking IEC power connector

AC Power Input

Universal power supply, 100-240 VAC, 50/60 Hz

AC Power Consumption2

100-240 VAC ~ 3.7-1.8 A

System Components

KC12T 145° Dual 4-inch Column System Loudspeaker
KC-SP32 32-inch Column System Pole
KC12S 3kW Active12-inch Column System Subwoofer

Enclosure Materials

Impact resistant ABS, 12 mm birch plywood and powder-coated aluminum

Color

Black (RAL 9011), White (RAL 9010)

Grille

Powder-coated steel with internal cloth lining (KC12T: 21 Gauge / KC12S: 18 Gauge)