QSC K12 1000W 12" Powered Speaker

1,000W K Series PA Speaker with 12" Low-frequency Driver and 1.75" High-frequency Driver (each)
QSC K12 1000W 12
QSC K12 1000W 12
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QSC K12 1000W 12" Powered Speaker
In Stock!
$699.99

Compact Yet Powerful Active PA Speakers from QSC

We'll sum up the QSC K12 active loudspeaker in a word: "WOW." When QSC came to Sweetwater to let us hear their K Series of speakers, we could hardly believe our ears. These extremely lightweight, 1,000W powerhouses will redefine your expectations of how a compact PA speaker should sound. They're loud, yes. But they have the kind of balance and clarity you expect to find in only the best studio monitors. And their wide dispersion means everyone in the audience can hear clearly. Your portable PA rig doesn't have to sound small when you're equipped with QSC K12 active loudspeakers.

Built-in DSP for tailored sonic performance

QSC packed in tailored EQ switches and DSP, so you can adjust the K12's sound to whatever you're doing. Our favorite is the DEEP switch. Flip it on, and you've got an unbelievable bass response from a 12" speaker. You can always add a sub if you want true full-range response. Use the Vocal Boost to give the mid-frequency area more presence or keep it flat for "what goes in is what comes out" honesty. Other clever touches include the switchable LED light if you find it visually intrusive, simply turn it off. You can even have the LED work as a Clip Limiter Circuit indicator, so the sound engineer knows what's going on, even from the back of the room.

Smart input/output options

The QSC K12's combo XLR and 1/4" TRS inputs accept both Mic and Line Level input while a set of RCA phono inputs make it easy to hook up your portable MP3 players, CD players, and line-level mixers. Up to three audio sources can be mixed internally and summed to a balanced output for "daisy-chaining" of multiple units — very handy. Plus separate direct outputs are also provided on each channel for even more flexibility.

Dual-angle pole socket for more positioning options

When you're playing to a smaller room, it's often better to angle your speakers down towards the audience as opposed to firing straight into the back wall. QSC K12 speakers feature a Tilt-Direct pole socket that makes it easy to angle the speaker downward 7.5 degrees.

QSC K12 Powered PA Speaker Features:

  • Powerful active PA speaker with 12" LF driver and 1.75" HF driver
  • 1,000 watt continuous, efficient and light-weight class-D power module
  • Directivity Matched Transition (DMT) and Intrinsic Correction DSP tuning for accurate, undistorted performance across the entire sound field 
  • GuardRail technology discreetly protects the system from damaging overload 
  • Deep mode for enhanced low-frequency extension without a subwoofer 
  • Locking IEC power cable 
  • XLR and 1/4" connectors
  • Phone Mic/Line and Line inputs with Loop-thru connectors and independent level controls
  • Phono RCA inputs for consumer music players
  • Front mounted LED may be switched off or indicate "Limit" or AC Power On 
  • Dual angle, 35mm pole socket with Tilt-Direct allows the speaker to be angled down by 7.5 degrees
  • Threaded pole socket for solid, secure pole mounting 
  • Suspension and yoke mounting accessories available 
  • 4" voice-coil woofer design for reduced weight 
  • 1.75" voice-coil compression driver 
  • High Pass Filter for use with subwoofers

Additional Media

PA Speaker Buying Guide

Tech Specs

Powered Yes
Power Configuration Bi-amped
LF Driver Size 1 x 12"
HF Driver Size 1.75"
LF Driver Power Amp 500W (Class D)
HF Driver Power Amp 500W (Class D)
Total Power 1000W
Inputs 1 x XLR/TRS Combo (Mic/Line), 1 x XLR/TRS Combo (Line), 2 x RCA
Outputs 2 x XLR (Direct), 1 x XLR (Line)
Frequency Range 48Hz-20Hz (-10dB)
Crossover Frequency 2kHz
Maximum Peak SPL 131dB
Horizontal Coverage Angle 75 Degrees
Vertical Coverage Angle 75 Degrees (Conical)
Enclosure Material ABS Thermoplastic
Mounting Options Pole, Floor Wedge, Fly
Height 23.7"
Width 14"
Depth 14"
Weight 41 lbs.
Manufacturer Part Number K12

Customer Reviews

5/5
Based on 105 reviews
Write your review
5/5

Great speakers!

Speakers sound amazing whether using for vocals or hit the low switch for music playback with a little more bass. Was so happy with my first set, I bought a second pair!!!
5/5

Nearly perfect

Having been in the biz over 40 years, and toured and tried about everything;with the exception of the Meyer powered 12's (which cost over $2500 each) these are the best I've used. For FOH or as monitors or as keyboard wedges, these are loud and clear. Did I mention loud! I have 4 K12's, 2 K subs, 2 K 10's and 2 K 8's. For large outdoor weddings, I use the whole system, for clubs, Just 2 K 12's and subs. For keys, one k12 (sometimes I add the sub if I'm doing left hand bass-bass players hate me 'cause my bass tone slays!) Really, (sorry, but) this kicks *** on Mackie, Yamaha, JBL and EV. I own every main keyboard amp (Roland, Hartke, Motion, Peavey, Traynor, Barbetta) and they sit in the basement. Thanks QSC [tho I'm waiting on the Line 6 "L3T's " to come out...)
Music background: Keys, Composer, Producer
5/5

Killed At 800 Capacity Venue!!!

Sorry. I already wrote a review a while back but had to write one again to THE SHEER AWESOMENESS of these amazing speakers!! The 5-piece rock cover band I sing in performed an 800 capacity venue last night with only TWO of the K12s, top spectrum FOH sound, at half volume with "bass boost" enabled and the sound was insanely punchy, crystal clear and loud! It was actually too loud so I turned down the FOH volume a bit on the mixer. I knew at 1000watt per they'd be powerful but not THIS POWERFUL. The limit light never flickered once. I can't believe how incredible these speakers are. I can only imagine what two K12s would sound like with 2 KS181s!
Music background: Pro Musician
5/5

Versatile and Ready to Roll...and Rock

I'm a professional DJ who has used a pair of these (coupled with a pair of QSC K-Subs) for over a year now. I've played at the Barnes at the Wolf Trap and other larger venues in Northern VA (such as 4 ball rooms joined together); along with a variety of different sized venues to include outside events during all four seasons. While playing for a large event with celebrities, a semi-famous country guitarist and singer showed up as a guest and easily plugged into my system and sang/played several songs. I immediately kicked right in with dancing music after he finished. I write this as a DJ, this demonstrates the versatility of these speakers (an I-Pod can easily be plugged directly into the RCA inputs to play during breaks, or as a separate speaker/system in a lobby, etc.). I've had many complements on the looks and the sound quality. My only recommendation is to pay the extra bucks and purchase the protective cases to keep these looking new (and enhance your overall professional appearance). The cases help me when having to pack in and out as one QSC K12 stacks easily on the K-Sub which has built in wheels....easy pezzy for load-in/out I can roll two at one time).
Music background: Lifetime musician (concert oboe; pro drummer and pro DJ)
5/5

awesome

AAAAA+++++++++

Sweetwater Advice

Joseph Secu

Wow! By far the best sounding and best looking portable speaker I've seen and heard. And lets not forget 1,000 watts of power giving this speaker loud, clean and very hi-fi sound in a very portable package!

Forrest Powell

I don't think I've ever been so surprised at the sheer loudness and bass from a speaker of this size. The QSC K12 easily outclasses almost everything near this price range, weight and size. Phenomenal live speakers; you absolutely won't believe your ears.

Scott DeMarko

In doing over 100 gigs and events per year with live bands, acoustic bands, and DJs, I can attest that having a good solid pair of PA mains that can deliver a solid amount of loudness, clarity, and full range in a package that can be easily portable is like a gift from heaven. The QSC K12s are a nice clean package in a monitor that works great for all of the above and it even works great when the DJs only have RCA, or 1/4 or XLR. The QSC has all of these inputs on the back and more. Its hard to imagine that two of these can cover a room for 200+ people or act as the tops for a loud rock band but they work so well in a variety of situations. Throw in a QSC K Sub and you have a portable solution for every event I can imagine in a small- to medium-sized venue.
See also: QSC, QSC PA Speakers