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QSC KS212C

K Cardioid dual 12" powered subwoofer — 3600 watts peak

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Item # 907KS212

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Overview

Our take on the QSC KS212C

A problem faced by many stage performers and DJs is a pounding subwoofer that vibrates the stage or booth so much it interferes with the performance. QSC solved this with their KS212C dual 12" subwoofer, which features a cardioid, heart-shaped coverage pattern that maximizes the bass firing into the room and minimizes the bass firing back at the performer. It's a win-win — the performers are happier and your house mix is much cleaner.

Delivers the bass where you want it to go

A problem faced by many stage performers and DJs is a pounding subwoofer that vibrates the stage or booth so much it interferes with the performance. QSC solved this with their KS212C dual 12" subwoofer, which features a cardioid, heart-shaped coverage pattern that maximizes the bass firing into the room and minimizes the bass firing back at the performer. It's a win-win — the performers are happier and your house mix is much cleaner.

Powers the beat

This rather austere-looking box can roar out 132 dB of bass goodness, thanks to its 3,600 watts of Class D amplification and super-efficient bandpass enclosure design. Onboard sound processing includes a selectable crossover to blend the sub's sound with full-range PA speakers, and delay to clarify the bass in large applications.

Plays well in almost every situation

The KS212C can be set up in a vertical or horizontal position — rubber feet on the bottom and left side protect the enclosure and help cut down unwanted resonance. Speaker pole sockets on the sub's top and right side allow you to mount a PA speaker above the sub in either orientation. A 36.6" speaker mounting pole comes with the sub, so it'll be ready for PA work immediately. For transporting, you flip the enclosure onto its back where heavy-duty casters allow you to roll the sub to where it needs to be.

QSC KS212C

KS212C connection and control panel

Highlights:

  • powered PA subwoofer
  • two 12" low-frequency drivers
  • 1800 watts peak x 2 Class D amplification
  • peak output: 132 dB SPL at 1 meter
  • frequency range: 44-104 Hz (-6 dB)
  • coverage: 180° cardioid (15 dB rear rejection @ 70 Hz)
  • built-in limiter protects amps and drivers
  • 2 input channels with preamp outputs
  • gain controls input sensitivity
Control Features:
  • Crossover:
    • 80 Hz (optimum for QSC K.2 speakers)
    • 100 Hz (optimum for QSC K, KLA, KW speakers)
  • Delay: variable 0-100 milliseconds
  • Scene: save and recall up to 5 settings
  • Settings: LED on/off, display contrast, factory reset
Other Features:
  • 6th order bandpass enclosure
  • black-painted 15mm birch plywood with powder-coated steel grille and casters
  • optional padded protective cover available
  • two 35mm pole sockets
  • 36-5/8" speaker pole included
  • dimensions: 15-1/2"W x 24-1/2"H x 33-1/2"D (including casters)
  • weight: 88.5 lbs.
  • warranty: 3 years (or 6 years with registration)
  • Our 60-day money-back guarantee
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Details

Features and Specs

Speakers
Drivers per speaker 2
Woofer Size (inches) 12
Tweeter Size (inches) ---
System Frequency response 44-105
Maximum SPL 132
Electronics
Built-in Amplifier Yes
RMS Power rating ---
Program Power rating ---
Peak Power rating 1800 x 2
Mic Inputs ---
Line Inputs 2 XLR/TRS
Tone Controls N
General
Width (inches) 15-5/16
Height (inches) 24-5/8
Depth (inches) 33-7/16
Weight 88.5 lbs
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