QSC KS212C Powered 3600W Dual 12" Cardioid Subwoofer

QSC KS212C Powered 3600W Dual 12" Cardioid Subwoofer

QSC KS212C Powered 3600W Dual 12" Cardioid Subwoofer

B&H # QSKS212C MFR # KS212C
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Product Highlights

  • For Bands, Bars, and Mobile Entertainers
  • Compact Single-Box Cardioid Solution
  • -15 dB SPL Attenuation Front-to-Rear
  • 2 x 12" Woofers
  • Frequency Response: 44 to 104 Hz
  • 3600 Watt Class-D Power Module
  • 2 x Combo XLR-1/4" Inputs, XLR Pass-Thru
  • Vertical or Horizontal Deployment
  • Baltic Birch Enclosure
  • Limited 6-Year Warranty
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QSC KS212C overview

  • 1Description

The KS212C from QSC, is a single-box powered cardioid subwoofer solution for mobile entertainers, AV production and rental professionals, as well as modestly-sized performance venues. The subwoofer features a 3600W Class-D amplifier module that powers two 12", long-excursion drivers in a dual 6th order band-pass design that creates a cardioid polar pattern with -15 dB SPL attenuation front-to-rear. The unit offers a frequency response of 44 to 104 Hz (-6 dB) with a peak SPL of 132 dB (@ 1m).

Typically, subwoofers are omnidirectional, radiating in all directions. This results in a build-up of low frequencies on-stage and wasted LF energy at the rear of the system. Sound engineers found a way to create a cardioid (heart-shaped) polar pattern, which removes much of the low energy at the rear of the subwoofers. Unfortunately, this system required the use of subwoofer arrays with multiple enclosures, clever placement, and processing of delay and polarity to redirect the energy.

The KS212C provides all the benefits of a cardioid subwoofer array, but without the headache of multiple enclosures and outboard processing. The single subwoofer can be deployed in a vertical or horizontal position and features M20 speaker pole fittings in either position, while the 15mm Baltic birch enclosure features a rugged paint designed for long-life and lasting durability. The rear panel offers a LCD control module with variable crossover and savable and recallable scenes, as well as Intrinsic Correction tuning and loudspeaker management. There are two combo XLR-1/4" inputs and two XLR "Pass-Thru" outputs. The KS212C ships with a locking IEC power cord.

  • Compact single-box cardioid solution
  • 3600W Class-D amplifier module
  • Cardioid pattern provides -15 dB SPL attenuation front-to-rear
  • Dual 12", long-excursion drivers; dual 6th order band-pass design
  • Variable crossover and savable/recallable Scenes for commonly-used applications
  • Intrinsic Correction tuning and loudspeaker management
  • 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 in either position
  • Optional KS-LOC security cover prevents unauthorized tampering of controls
  • Complete EASE & CAD information available online
  • Limited 6-year warranty
UPC: 684284066763
In the Box
QSC KS212C Powered 3600W Dual 12" Cardioid Subwoofer
  • Locking IEC Power Cord
  • Limited 3-Year Warranty, Extended to 6 Years with Registration
  • Table of Contents
    • 1Description

    QSC KS212C specs

    Configuration Dual 6th order bandpass cardioid subwoofer
    Transducer LF Transducer: 2 x 12.0" / 304.8 mm, cone
    Frequency Response Frequency Response (-6 dB): 44 - 104 Hz
    Frequency Range Frequency Range (-10 dB): 39 - 118 Hz
    Nominal Coverage Angle 180˚ cardioid (15 dB rear rejection @ 70 Hz)
    Maximum SPL 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 LEDs (front and rear)
    Input signal LED
    Limiter active LED
    Connectors 2 x locking combo XLR-1/4” / 6.35 mm
    2 x XLR-M (Loop-thru Output)
    1 x locking IEC power connector
    Power AC Power Input: Universal power supply 100 - 240 VAC, 50/60 Hz AC Power Consumption: 1/8th power
    Enclosure 0.7" / 18.0 mm birch plywood
    Color Black
    Grille Internal woofer cover
    Compliance Regulatory CE, WEEE, UL, China RoHS, RoHS II, FCC Class-B
    Dimensions (H x W x D) 24.0 x 15.0 x 33.5" / 609.6 x 381.0 x 850.9 mm
    Weight 88.4 lb / 40.1 kg
    Packaging Info
    Package Weight 88.4 lb
    Box Dimensions (LxWxH) 38.0 x 27.0 x 20.0"

    QSC KS212C reviews

    KS212C Powered 3600W Dual 12" Cardioid Subwoofer is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Sound Dynamics This is a subwoofer with directional sound quality in mind from the get go. After having the new K.2 12" speakers for almost 3 months, I knew that the bottom was missing something more than a lot of bass. A long awaited preorder for this mammoth speaker finally was delivered. A simple cross-check to made some adjustments to tell the floor speakers that a sub was in the mix, set the tone for a listening experience. After a song list was sent to the mixer to play, I was totally happy with the sub output not overpowering the mid/highs. It was a clean and crisp balance of audio dynamics in the higher volume levels, even for different genres of music. Mine came with the black 36" extension pole to mount the K12.2 speaker above. Waiting for the protective padded travel case that was just ordered. Was also quieter behind the sub than the front.
    Date published: 2018-01-19
    • y_2018, m_9, d_17, h_13
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