DISC QSC K12 Active PA Speakers with Stands

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1,798.00 RRP 2,602.39 (including VAT @ 23%)

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  • Includes PA Speaker Stands with a Carry Bag
  • 12" Woofers & 75 Degree Nominal Coverage Angles
  • Total Of 2000 Watts of Class D Power
  • Rugged ABS Enclosures With Powder Coated Grilles
  • Onboard Mixer With Two Combo XLR & 1/4'' Inputs Per Speaker

DISC QSC K12 Active PA Speakers with Stands

The QSC K12 Active Speakers include 12" woofers and a 1.75" diaphragm compression driver that exhibit a true, high-quality audio performance. With maximum sound press levels of 129 dB, the PA speakers provide an output for a powerful performance and a flexible one with the on-board mixer and 75 nominal coverage angle. The speaker pair can be easily mounted due to the lightweight construction and with the speaker stands provided with the package. Included within this PA speaker bundle are two active K12 speakers and two speaker stands with a carry bag.

Product Ref: 21242

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Setting The New Standard

The QSC K12 PA speakers provide an unrivalled, high-quality performance due to the inclusion of an innovative 1.75" HF device with a 12" woofer. The quality that the PA system offers is suitable for a wide array of live and installed purposes thanks to the premium level of materials used to construct the QSC K12 and the multiple mounting options, especially with the included speaker stands. As previously mentioned, the active PA speakers can be used with a range of devices. The XLR and 1/4" TRS inputs accept mic and line level inputs whilst the RCA phono inputs lets you connect applications such as MP3 players, CD players and line-level mixers into the pair of PA speakers. The flexibility of the QSC K12 is continued via the ability to internally mix up to three audio sources for a balanced output.

On-Board Switches

Preset EQ settings are available through the use of on-board switches. The QSC K12 PA speakers contain a HF setting, allowing you to create a larger sound by selecting the vocal boost option. The LF switch may then be used when you require more bass or hook-up an external subwoofer with the EXT SUB setting.

Extensive DSP Processing

The K series by QSC delivers extensive DSP processing to ensure excellent levels of clarity and output no matter what size the speakers are. DMT is the directivity matched transition, where inactive frequency zones are eliminated. The PA system exhibits the results of IIR and FIR filters, that continuously improve frequency and amplitude responses, by offering a performance that maintains quality among the entire sound field.

Superb Energy Efficiency

Like most modern equipment, these active PA speakers are focused on conserving energy usage. The Class D amplifier draws little current when in use and automatically enters into standby when no input signal is detected for five minutes. This automatic reaction provides a long product lifecycle and once an input signal is available, the amplifier instantly turns back on ready for use.

Robust Materials & Rugged Construction

The components in this PA speaker bundle are all made with incredible attention to detail and the ability to prolong usage. The PA speakers are forged with ABS material, designed for high-impact situations. Furthermore, the speakers are then protected with heavy-duty steel grilles to ensure complete security within the system.

PA Speaker Stands (Pair)

These height adjustable PA speaker stands from Gear4music boast solid construction with bolt and safety screw connections. The stands are suitable for all PA speakers with standard 35mm (1 3/8") diameter pole mounts. The PA speaker stands come with a strong, water resistant carry bag.

What's Included?

K12 Features

  • 12" Woofer; 1.75" diaphragm compression driver
  • 75° Nominal coverage angle
  • Maximum SPL 131 dB peak
  • 1000-watt continuous Class D power modules in all models
  • Onboard mixer with two combo XLR and ¼" inputs, and stereo RCA inputs, (three audio input sources); two direct channel outputs and single summed balanced output
  • Attractive and professional appearance
  • Rugged ABS enclosures
  • 16-gauge powder coated steel grille
  • Comfortable ergonomic handles
  • 35 mm pole sockets with Tilt-Direct™
  • M10 rigging points
  • Eyebolt and yoke mount accessories available (not included)

Extensive DSP enhances system performance

  • DMT™ (Directivity Matched Transition) provides for matched LF and HF coverage across the entire listening area, eliminating unnatural "dead" or "hot" frequency zones.
  • Intrinsic Correction™, first featured in our high-end line-array products maps 65-75 spatially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat band pass target. The result is a speaker that behaves equally well across the entire sound field.
  • DEEP™ and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies.
  • GuardRail™ protection protects both the amplifier module and your performance from unnatural and destructive clipping.

K12 Specifications

  • Configuration: Multipurpose 2-way
  • Transducers: Low-frequency: 12" cone transducer / High-frequency: 1.75" diaphragm compression driver
  • Frequency Response (-6 dB): 52 Hz to 18 kHz
  • Frequency Range (-10 dB): 48 Hz to 20 kHz
  • Nominal Coverage (-6 dB): 75° conical
  • Maximum SPL1: 131 dB peak


  • Power Output²: 1000 W continuous Class D, (500 W LF, 500 W HF), 2000 W peak
  • Input Impedance:
    • XLR / ¼": 40 kΩ balanced / 20 kΩ unbalanced
    • XLR / ¼" MIC mode: 2260Ω balanced
    • RCA: 10 kΩ
  • Controls: Power, Gain A, Gain B, Mic/Line, LF Mode (Ext Sub/Norm/DEEP™), HF Mode (Flat/Vocal Boost), Front LED (On/Off/Limit)
  • Indicators: Power, Signal A, Signal B, Standby, Limit, Mic
  • Connectors: Balanced female XLR/¼" line/mic level input, Balanced female XLR/¼" line level input, Dual Balanced male XLR full range line level out , Balanced male XLR "mix" out, Stereo RCA line level input, Remote gain control, Locking IEC power connector
  • Cooling: On demand, 50 mm variable speed fan
  • Amplifier Protection: Thermal limiting, output overcurrent, overtemperature muting, GuardRail™
  • Transducer Protection: Thermal limiting, excursion limiting
  • AC Power Input: Universal power supply 100-240 VAC, 50 to 60 Hz
  • AC Power Consumption (1/8 of full power):
    • 100 VAC, 2.3 A
    • 120 VAC, 2.01 A
    • 230 VAC, 1.13 A


  • Material: Impact resistant ABS
  • Finish: Black paint
  • Grille: Rugged powder-coated steel
  • Dimensions (HWD): 23.7" x 14" x 14" / 603 mm x 356 mm x 356 mm
  • Weight (Net): 41 lb / 18.6 kg
  • Available Accessories: K12 tote, K12 yoke, M10 Kit-C
Your order may be delivered with a plug adapter
If any electrical items in your order are supplied with a United Kingdom plug connection, a suitable plug conversion adapter will be included free of charge.