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QSC K12 12" Powered PA Speaker  

Item #: 
1274034490365
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Breaking the boundaries that once defined portable sound, the K12 delivers massive power, impeccable audio and uncompromising workmanship that stands up to the rigors of professional use. Even more im... Click To Read More About This Product

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Overview
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Breaking the boundaries that once defined portable sound, the K12 delivers massive power, impeccable audio and uncompromising workmanship that stands up to the rigors of professional use. Even more impressive is you get all this in a remarkably compact, lightweight and stylish enclosure for effortless handling and setup. Outperforming many of its larger, 15-in. competitors, the K12 cranks out sound that seems almost unbelievable for its size.

Under the hood you'll find an efficient Class-D power module that pumps out 1000 watts of clean, distortion-free sound with crisp highs and deep, tight lows. With 75 degrees of coverage, the K12's 12-in. woofer drives low frequencies down to 48Hz making it ideal for a wide range of applications, especially DJing or live reinforcement of instruments. Equally comfortable as a stage monitor, the K12 enclosure has an angled side for use as a low-profile, horizontal wedge and a flat side for proper side-fill use.

Processing Technology

QSC incorporates several proprietary DSP technologies into the K12, including Digital Extension and Excursion Processing (DEEP). DEEP allows K12 to deliver levels of low-frequency extension previously impossible in enclosures of this size. Another innovation is Intrinsic Correction, which uses dozens of spatially-averaged measurements mapped to the processor to deliver smooth and accurate reproduction across the entire sound field. Preventing amplifier clipping or overload is QSC's proprietary GuardRail technology, which monitors the input voltage and controls the amplifier output stage before the onset of clipping. 

Connectivity & Monitoring

The back of the K12 features two XLR-combi inputs, each with its own level control. Both accommodate line-level inputs and one may be switched to microphone level sensitivity. Phono (RCA) input jacks are also included for connection of consumer electronics sources. Dual XLR outputs are provided for dual "loop-thru" XLR/M connectors and a single XLR jack is available as a summed output. All three input sources may be used at once and mixed via the two gain control knobs. In addition, user EQ controls are provided to select between different subwoofer settings. For installed applications, connecting a commonly available potentiometer to the unit's Euroblock connector allows the operator to have gain control from a remote location. Multiple K Series units can be daisy-chained together to one centralized control. 

Suspension and Mounting

The K12 may be pole-mounted, suspended, or yoke-mounted. The K12 yoke accessory kit (not included) allows for either horizontal or vertical yoke mounting, providing a flexible means of attaching K Series loudspeakers to a building structure or truss. When suspended deployment is required, M10 threaded inserts support vertical or horizontal suspension, while the integral pole-mount socket accommodates 35 mm speaker poles for use on a speaker stand or over a sub. The pole socket is designed so that the speaker may be angled down 7.5 degrees in order to cover the audience while keeping acoustic energy off reflective walls and ceilings.


Features Speaker configuration
  • Active/passive:Active
  • Type:Full-range
  • LF driver:12"
  • MF driver:N/A
  • HF driver:1.75" compression driver
  • Power
  • Amplifier class:D
  • Wattage:1000W continuous
  • Mixer/preamp:No
  • Audio
  • Frequency response:48Hz - 20kHz
  • Coverage pattern:75° conical
  • Max SPL:131 dB
  • Inputs
  • XLR:2 XLR/TRS
  • TRS:
  • TS:
  • RCA:2
  • Output/thru
  • XLR:2 XLR/TRS
  • TRS: N/A
  • TS: N/A
  • RCA: N/A
  • SPEAKON: N/A
  • Enclosure
  • Cabinet material:ABS
  • Width:14"
  • Height:24"
  • Depth:14"
Specifications
  • .
Warranty

GUITAR CENTER'S PRO COVERAGE
Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.

Pro Coverage includes
  • Accidental damage protection (new gear only)
  • Expedited repair
  • Free shipping (for returns or repairs)
  • 100% coverage for commercial use
  • Extended return period
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews
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Review Snapshot

by PowerReviews
QSCK12 12" Powered PA Speaker
 
4.8

(based on 63 reviews)

Ratings Distribution

  • 5 Stars

     

    (56)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

83%

of respondents would recommend this to a friend.

Pros

  • Good audio (10)
  • Easy to use (9)
  • Compact (8)
  • Versatile (8)
  • Durable (7)

Cons

No Cons

Best Uses

  • Outdoor events / games (8)
  • Performances (6)
  • Pro audio / DJ / mixing (6)
    • Reviewer Profile:
    • Experienced (7)

Most Liked Positive Review

 

Best Powered Speaker on the Market for its Size!!!

Being a mobile DJ for 26 years and having used several sets of passive speakers in that time, I wanted to make sure I did my homework before I made the leap into powered...Read complete review

Being a mobile DJ for 26 years and having used several sets of passive speakers in that time, I wanted to make sure I did my homework before I made the leap into powered speakers. My criteria for the powered speakers was that they: - needed to be under 45 lbs. - have enough power to do a mid-to-large event - sound good when cranked up - have the features I needed (flexible inputs, daisy chaining, etc.). - have a good reputation (quality and warranty) After compiling a list of prospective models, I took a weekend and listened to the models side-by-side (luckily, my local Guitar Center had just about all of them on display for me to test). For each speaker comparison, I: - set all EQ to flat in the source, mixer, and on the speaker itself. - made sure the level was compensated so that the loudness (DB output) to my ears would be the same when I switched between the speakers. - positioned myself in the same position and distance from each speaker - played the same source material in each (and varied the source material as necessary to get a balanced feel for what the speaker could do). - played the speakers at varying volume levels I tried all the top brands and models: Mackie SRM450v2, EV (SXA100+, EV ELX112P), JBL (EON515XT, PRX612M), Yamaha (MS400, DXR12), Behringer (VP1220D, B112D, B912Neo), QSC K12, and Peavey Impulse 12D. During the testing, for any two given speakers, I would pick a better sounding speaker and use that speaker in my next comparison. After I reached the QSC K12 in my testing, I liked the sound so much that I used that as my reference speaker from that point on and went back and compared it against all of the speakers I was testing. It was after this extensive exercise that I determined that the QSC K12, hands down, was the winner (it was also the most expensive, but I wanted to find the best). The reasons I chose the QSC K12: - The sound was the most balanced and natural sounding of any PA speaker I have heard (powered or not). At mid-to-high volumes, most Pro sound speakers have a tendency to overemphasize the high-end and upper mid-range frequencies, which are precisely the ones that cause ear fatigue when you are exposed to them for any length of time. On the K12s, you can particularly note the difference when playing Jazz and Big Band music (for example, Frank Sinatra's vocals sounded neutral and did not exhibit a megaphone/honky quality to it found on the other speakers). - The bass was clean and tight, especially when enabling the deep switch setting on back. No other speakers (with the exception of the Yamaha MS400) could match it's bass response at any volume in this mode. - They come with a 3-year warranty. NOTE: Unlike QSC's stand-alone amplifiers (like their PLA series) which are made in the USA and have a 6-year warranty, these speakers are made in China and have a 3-year warranty. A few weeks after I bought the K12s, I decided to put them to a test at my next DJ event (a mid-size wedding of 175 people) that was held in a converted airplane hangar. As you can imagine, the environment was not well-suited for acoustics (30 foot steel ceiling, cement floor, glass on the entire back wall). However, these speakers turned out to be ideal in such a live environment. Because of their natural sound, they did not generate the ear fatigue that would normally occur with other speakers in this setting. They were also slightly less prone to feedback than what I am used to. Needless to say, I would highly recommend these speakers to anyone who wants the most natural sound from a turnkey sound system (i.e., one where you don't have to contend with separate speakers, amps, equalizers, phase correction, etc.).

VS

Most Liked Negative Review

 

Speakers rattle after 3 months of usage.

I bought 2 of these speakers and paired them with a KW-181 subwoofer. It was great sound for the 4 wedding I used these at. The 5 wedding not so much. We...Read complete review

I bought 2 of these speakers and paired them with a KW-181 subwoofer. It was great sound for the 4 wedding I used these at. The 5 wedding not so much. We got there and setup our speakers and lights and did a test phase. We noticed on some songs you can hear a rattle noise in the back of both speakers. I t was almost like something is loose. I contacted QSC and they told me to take to a repair center. The closest repair center to me wants money for each speaker to work on them. QSC said I can send them back but I will have to pay shipping which is an arm and a leg from Ohio to California. I am very disappointed in how these held up and how QSC is treating me. Their customer service is awful. I wish guitar center would swap these out for me and they can send them back to QSC. I don't know what to do as a business owner.

Reviewed by 63 customers

Displaying reviews 1-10

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(1 of 1 customers found this review helpful)

 
5.0

QSC simply rocks!

By Luis

from Mexico

About Me Experienced

Pros

  • Clear Sound
  • Compact
  • Durable
  • Easy To Use
  • Lightweight
  • Versatile

Cons

    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Mobile DJ
    • Performances

    Comments about QSC K12 12" Powered PA Speaker:

    Simply great... I have been with this speaker 2 years, and it has shown an incredible performance, for the future when this one ends its life, I would definitely buy a new one.

    (1 of 1 customers found this review helpful)

     
    5.0

    Worth every penny!

    By Winston G

    from APO

    About Me Experienced

    Verified Buyer

    Pros

    • Clear Sound
    • Compact
    • Durable
    • Easy To Use
    • Lightweight
    • Versatile

    Cons

      Best Uses

      • Events
      • Mobile DJ
      • Performances

      Comments about QSC K12 12" Powered PA Speaker:

      Bought one of these back in 2014 and did not really get to use them until recently this past summer at a fest. Needless to say the sound quality was well within my expectations. Used only one!! Had to turn them down because these were drowning out the other guys around me. Including the dance area with full towers. Power wise they are more than sufficient. Need more power then get a few more. Added another on yesterday. Now just waiting to add a pair of subs to the ensemble, just cause.

      (1 of 1 customers found this review helpful)

       
      1.0

      Speakers rattle after 3 months of usage.

      By Dj Rozay

      from Brunswick Ohio

      About Me Professional Musician

      Pros

        Cons

        • Breaks Easily
        • Bulky/Heavy
        • Pricey / Poor Value

        Best Uses

        • Mobile DJ

        Comments about QSC K12 12" Powered PA Speaker:

        I bought 2 of these speakers and paired them with a KW-181 subwoofer. It was great sound for the 4 wedding I used these at. The 5 wedding not so much. We got there and setup our speakers and lights and did a test phase. We noticed on some songs you can hear a rattle noise in the back of both speakers. I t was almost like something is loose. I contacted QSC and they told me to take to a repair center. The closest repair center to me wants money for each speaker to work on them. QSC said I can send them back but I will have to pay shipping which is an arm and a leg from Ohio to California. I am very disappointed in how these held up and how QSC is treating me. Their customer service is awful. I wish guitar center would swap these out for me and they can send them back to QSC. I don't know what to do as a business owner.

        (0 of 1 customers found this review helpful)

         
        5.0

        great product horrible service

        By The Quarry

        from Ashburnham ma

        About Me Experienced

        See all my reviews

        Verified Buyer

        Pros

        • Clear Sound
        • Compact
        • Durable
        • Easy To Use
        • Lightweight
        • Versatile

        Cons

          Best Uses

          • Events
          • Performances

          Comments about QSC K12 12" Powered PA Speaker:

          incredible product best on the market.

           
          5.0

          So far, so good!

          By Michael

          from undisclosed

          Verified Buyer

          Comments about QSC K12 12" Powered PA Speaker:

          I bought these based on a pile of positive reviews, and I've only used them once so far, but they sound fantastic. The locking power cables are a nice touch, and an great example of what you get for spending a few bucks more.

          (1 of 1 customers found this review helpful)

           
          5.0

          Great for KBs

          By JP

          from Los Angeles

          About Me Professional Musician

          Verified Buyer

          Pros

          • Clear Sound
          • Compact
          • Durable
          • Easy To Use
          • Versatile

          Cons

            Best Uses

            • Performances

            Comments about QSC K12 12" Powered PA Speaker:

            with Keyboards mix effects

            (1 of 1 customers found this review helpful)

             
            5.0

            Best price and in stock. That's how ya do biz!

            By SoundMonkey

            from Seacoast, NH and greater Boston area

            About Me Experienced

            Verified Buyer

            Pros

            • Clear Sound
            • Compact
            • Lightweight
            • Versatile

            Cons

              Best Uses

              • Events
              • Mobile DJ
              • Performances

              Comments about QSC K12 12" Powered PA Speaker:

              I'm a bass player in a pile of bands locally and run sound for pro GB bands 70 gigs a year

              (1 of 1 customers found this review helpful)

               
              5.0

              i would buy it again

              By mt

              from Yorba Linda,CA

              About Me Novice

              Verified Buyer

              Pros

              • Clear Sound
              • Compact
              • Durable
              • Easy To Use
              • Lightweight
              • Versatile

              Cons

              • none

              Best Uses

              • Events

              Comments about QSC K12 12" Powered PA Speaker:

              for singing events

               
              5.0

              I would buy this speaker again

              By Tien

              from undisclosed

              Verified Buyer

              Comments about K12 12" Powered PA Speaker:

              This speaker sounds so great.

               
              5.0

              Best speakers for home karaoke

              By The Do

              from Keller, Texas

              About Me Experienced

              Pros

              • Clear Sound
              • Compact
              • Easy To Use
              • Lightweight
              • Versatile

              Cons

                Best Uses

                • Events
                • Home Studio
                • Performances

                Comments about QSC K12 12" Powered PA Speaker:

                I really like this speaker , I find it best for my home karaoke, clear sound and good bass.

                Displaying reviews 1-10

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