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QSC KC12S-WH 3kW Active 12" Column System Subwoofer | White

QSC KC12S-WH 3kW Active 12" Column System Subwoofer | White

SoundPro Item: 146796 | Part Number: KC12S-WH

$1,837.50
$1,837.50 $1,837.50
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MSRP: $1,837.50 | MAP: $1,837.50

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  • Three-Way Integration With Dedicated Midrange And High Frequency Column For Controlled Directivity
  • Ported Cabinet Design Achieves Extended Low Frequency Extension For Full Range System Performance
  • Class D Amplification With Power Factor Correction Reduces AC Consumption During Continuous Operation
  • Combo XLR Inputs With Assignable Hi-Z And Phantom Power Accommodate Multiple Source Types
  • Digital Display Enables Global Parametric EQ And Delay Adjustment For Room-Specific Tuning
  • True Wireless Stereo Bluetooth Pairing Synchronizes Left And Right Units For Latency-Free Playback
  • USB-C Output Provides Device Charging Capability During Mobile And Installed Deployments
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The KC12S serves as the foundation for QSC's KC12 column loudspeaker system, delivering extended low-frequency performance for mobile entertainers, solo performers, and installed AV applications. Its ported enclosure houses a 12" driver capable of reaching down to 40 Hz, paired with 2000 watts of peak Class D amplification that provides substantial output while maintaining energy efficiency through Power Factor Correction. The subwoofer integrates seamlessly with the KC12T column via the included KC-SP32 pole, enabling rapid setup for floor, stage, or riser placements.

Built for portability without sacrificing durability, the KC12S combines 12mm birch plywood with impact-resistant ABS construction and powder-coated steel grille protection. Two combo XLR inputs support mic, line, and Hi-Z sources, while assignable phantom power and independent Factory Presets accommodate diverse signal chains. The digital display provides access to Global Parametric EQ, subwoofer level adjustment, and 200ms delay for optimizing system alignment in challenging spaces. True Wireless Stereo Bluetooth pairing eliminates latency when deploying stereo configurations, and the USB-C output delivers 5V/3A charging for connected devices during extended events.

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Specifications

Audio
LF Transducer
305 mm (12-inch), cone
Frequency Response (-6 dB)
45 Hz - 18.5 kHz
Frequency Range (-10 dB)
40 Hz - 20 kHz
Maximum Rated SPL (peak)
132 dB @ 1 m
Nominal Coverage Angle
145° H x 35° V
Amplification
Amplification (peak)
Class D, 3000 W (KC12S Subwoofer 2000 W, KC12T Midrange/High Frequencies 1000 W)
Cooling
Low noise, variable speed fan
Connectivity
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 (Output: 5V/3A), 1 × locking IEC power connector
Controls
Controls
1 x Rotary encoder, 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)
Electrical
AC Power Input
Universal power supply, 100-240VAC, 50/60 Hz
AC Power Consumption
100-240VAC ~ 3.7-1.8 A
Construction
Enclosure Materials
Impact resistant ABS, 12 mm birch plywood and powder-coated aluminum
Grille
Powder-coated steel with internal cloth lining (18 Gauge)
Color
White (RAL 9010)
Dimensions
Dimensions (H x W x D)
655 × 357 × 455 mm / 25.8 × 14 × 18 in
System Height Tall Deployment
2270 mm / 89.4 in (with KC-SP32)
System Height Short Deployment
1463 mm / 57.6 in (without KC-SP32)
Weight
Net Weight KC12S
22.0 kg / 48.5 lb
Net Weight Tall Deployment
27.3 kg / 60.3 lb (with KC-SP32)
System Components
System Components
KC12T 145° Dual 4-inch Column System Loudspeaker, KC-SP32 32-inch Column System Pole, KC12S 3kW Active12-inch Column System Subwoofer
Included Items
Supplied Accessory
KC12 TOTE: Tote for transportation/storage of KC12T and KC-SP32
Certifications
Regulatory
CE, WEEE, UL, China RoHS, RoHS II, FCC Class B

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