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581516 000000000

QSC K8 8" Powered PA Speaker  

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The QSC K8 8" powered loudspeaker features a 1000-watt Class-D power module, and its extremely compact size won't intrude on audience sightlines. Its...Read More

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    Receive FREE Loudspeaker Totes or Covers - up to $129 value each, with the purchase of a QSC TouchMix 8 or 16 and K / KW Series Loudspeakers, through Mail-In rebate.See Details

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OVERVIEW

Amazingly powerful output in a compact cabinet ideal for crowded stages.

The QSC K8 8" powered loudspeaker features a 1000-watt Class-D power module, and its extremely compact size won't intrude on audience sightlines. Its 105° wide dispersion is a major advantage when the audience is up close to the loudspeaker. Low frequencies extend to ~61Hz (-10dB) and the unit outputs an amazing 127dB.

QSC's K8 speaker features a 1-3/4" HF device in its 2-way enclosure. The primary differentiator is the resulting output dispersion—the K8 being the widest at 105° and the K12 the narrowest at 75°. This radical approach is achievable due to a process called Directivity Matched Transition (DMT). DMT allows QSC to take advantage of a fundamental law of acoustics: smaller diameter woofers have wider coverage patterns than larger ones. The K Series matches the HF device to the LF dispersion, allowing for the smoothest and flattest frequency response possible across the entire sound field.

Add to this advanced DSP processing and an enclosure molded from ABS—a material far more rugged and sonically pleasing than conventional plastics—and the QSC K8 Speaker delivers exceptional performance in this category of loudspeakers.

Several proprietary QSC DSP technologies are incorporated into the K8 PA speaker. One such technology is Digital Extension and Excursion Processing (DEEP). DEEP allows the K8 to deliver levels of low-frequency extension previously impossible in enclosures of this size. Intrinsic Correction, first featured in QSC line-array technology, use 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. GuardRail closely monitors the input voltage and controls the amplifier output stage before the onset of clipping. Unlike typical clip limiters, when GuardRail is activated, the results are all but undetectable—there's none of the typical "pumping" associated with other methods. In addition, user EQ controls are provided to select between subwoofer settings (EXTSUB, VOCAL, or FLAT response).

The K8 speaker boasts other user-friendly features. For example, when the PA speaker is pole-mounted, the Tilt-Direct pole socket converts to a 7.5° down-tilt with a simple 180° rotation of the dial. A locking IEC power cord is included, preventing accidental disconnect during a performance. 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. Additionally, the QSC K8 Speaker enters Standby mode after 5 minutes of inactivity, conserving power.

The entire PA package is housed in rugged and sonically friendly ABS (the sub in birch plywood) with steel grilles and carry-friendly ergonomic aluminum handles.

Processing, Connectivity & Monitoring

The brain of the system is its expansive digital signal processing. While the DSP functions are optimized using Intrinsic Correction, DEEP, DMT and GuardRail technologies (with the high-pass filter included for use with subwoofer systems), two XLR-combi inputs, each with its own Level control, are provided. 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 3 input sources may be used at once and mixed via the 2 Gain control knobs.

Input Panel LED indicators are provided for Power, Signal Present, Mic Level Sensitivity and Limit annunciation. A front-mounted power LED may be disabled by means of a rear panel switch when desired or set so it indicates when the limit circuitry has been engaged.

Waveguide

Each QSC K8 model incorporates a conical waveguide that maintains pattern control all
the way down to the crossover frequency. The coverage angles of the waveguides are tailored for a smooth transition from woofer to compression driver with far less "waistbanding" or other directivity related anomalies than other products in this class.

Suspension and Mounting

The K-Series 2-way PA speaker may be pole-mounted, suspended, or yoke-mounted. The K8 yoke accessory kit (not included) allows for either horizontal or vertical yoke mounting, providing a flexible means of attaching The 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 35mm 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° in order to cover the audience while keeping acoustic energy off reflective walls and ceilings.

FEATURES
  • 1,000 watt, efficient and lightweight Class D power module
  • Lightweight (27 lb.)
  • Professional appearance and rugged construction
  • 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
  • Three 2-way models—each with coverage pattern optimized to match the LF driver
  • Front mounted LED may be switched off or indicate "LIMIT" or AC Power On
  • Dual angle, 35 mm pole socket with Tilt-Direct allows the speaker to be angled down to put the energy on the audience instead of the back wall
  • 1-3/4" voice-coil compression driver
  • High Pass Filter for use with subwoofers
  • 1,000 watt subwoofer, efficient and light-weight Class D power module

Order now and get a powerful PA speaker that won't take up the whole stage.

SPECIFICATIONS

K8 8" Powered PA Speaker

  • Amplifier Power: 1000W Class D
  • Transducers: 8" LF, 1-3/4" HF
  • Coverage Pattern: 105° conical
  • Frequency Response: 61Hz–20kHz
  • Max SPL: 127dB
  • Operating Voltage: 85–275 VAC @ 50–60Hz
  • Unit Dimensions: 11" W x 17-7/10" H x 10-3/5" D
  • Weight: 27 lb.
Reviews
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Review Snapshot®

by PowerReviews
QSCK8 8" Powered PA Speaker
 
4.9

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (15)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good audio (5)
  • Compact (4)
  • Easy to use (4)
  • Lightweight (4)

Cons

    Best Uses

    • Outdoor events / games (4)
    • Performances (4)
    • Pro audio / DJ / mixing (3)
      • Reviewer Profile:
      • Professional musician (3)

    Most Liked Positive Review

     

    Extremely Powerful

    I just switch from my Bose L1 Model 2 to this amazing speaker ( I got tired for carrying to many pieces, I do love Bose sound ) and to be honest, if i...Read complete review

    I just switch from my Bose L1 Model 2 to this amazing speaker ( I got tired for carrying to many pieces, I do love Bose sound ) and to be honest, if i compare only one of these speakers to Bose, I dont missed Bose at all. It has a very clean sound, punchy and my voice and guitar just sound espectacular. I just use One speaker with a TC Helicon Voicelive 2 without a mixer for my small to mid size venues, thats it!!!! You just have to try it!!

    PS: Sorry for my english

    VS

    Most Liked Negative Review

     

    OK but overpriced

    Heard these being used at a local open air venue for acoustic guitars and vocals. Great highs, good lows, no mids. They are very directional and almost have a zone of sound sent...Read complete review

    Heard these being used at a local open air venue for acoustic guitars and vocals. Great highs, good lows, no mids. They are very directional and almost have a zone of sound sent from the front. They sound muffled/thin if outside this zone. No, it wasn't the eq settings or the mixer; the mixer was expensive and the eq was set fine. These are small lightweight boxes with small speakers. The main selling point for these is the size and weight; NOT the sound (or price). They are surprisingly loud but the quality of sound is not balanced through the entire freq range of the speakers. Cheap crappy Behringers sound as good, are 1/4 the price, and are only slightly larger and heavier. If you are considering purchasing these, listen to them critically, compare with other speakers, and don't buy because of the name or supposed worth based on price. Just my humble opinion.

    Reviewed by 16 customers

    Sort by

    Displaying reviews 1-10

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    5.0

    Best speakers on the market.

    By Frenchy

    from Dover Ohio

    About Me Experienced

    Ask me a question

    Pros

    • Clear Sound
    • Compact
    • Easy To Use
    • Lightweight

    Cons

      Best Uses

      • Events
      • Mobile DJ

      Comments about QSC K8 8" Powered PA Speaker:

      I already had the K10's, adding these makes us more versitle. They sound great a must buy!

      Comment on this review

       
      5.0

      Un-frickin-believable

      By floridadj

      from Florida

      About Me Professional Musician

      Ask me a question

      Pros

      • Clear Sound
      • Compact
      • Lightweight
      • Sound Quality

      Cons

      • none

      Best Uses

      • Mobile DJ
      • Performances

      Comments about QSC K8 8" Powered PA Speaker:

      I own a pair of K-12's that are great. I bought the K8's for smaller venues. I could not believe the sound coming out of the small box. QSC hits another home-run.

      Comment on this review

       
      5.0

      I'm ready for more of them

      By Hooligan

      from Sarasota Fl

      About Me Experienced

      Pros

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

      Cons

        Best Uses

        • Events
        • Performances

        Comments about QSC K8 8" Powered PA Speaker:

        We use K8s as mains in smaller clubs and don't use the Ksub until the crowd reaches 150 or more. Two K8s and two K10s and the Ksub did a great job on an outdoor gig. We have also added them for monitors quite successfully. I also have one plugged into my television.

        Comment on this review

        (4 of 4 customers found this review helpful)

         
        5.0

        The QSC K8 is awesome

        By Keyplayer

        from manitoba

        About Me Professional Musician

        Pros

        • Clear Sound
        • Compact
        • Easy To Use
        • Lightweight

        Cons

          Best Uses

          • Events
          • Home Studio
          • Mobile DJ
          • Performances

          Comments about QSC K8 8" Powered PA Speaker:

          This is fantastic, it is replacing a Yorkvile NX55p. I have been giging for 25 yrs and have used Peavey keyboards amps, Yorkville active monitors, various amp/speaker combo's and a variety of other odd and ends. Going from a 12" to an 8" LF driver was a bit concerning to me until I turned it up. It easily matches the volume of the 55P (and that is considerable) but with quite a bit more detail in the mids and highs. I did lose some overall bottom end, but honestly I rolled off most of the bottom end as the 5p are a bit boomy. For vocals and keys, this is hardly worth mentioning as a "problem"...it isn't. As a stage monitor I am giving up nothing except the size and weight of a larger active cabinet and gaining a much better vocal monitor. Even heavily ditorted hammind sound great through this. I don't know the physics or technical info that makes this tiny speaker sound much larger than it is, but I am glad it does...well done QSC. (former Yorkville fan)

          Comment on this review

          (8 of 8 customers found this review helpful)

           
          5.0

          Extremely Powerful

          By Bengie Oyola

          from Puerto Rico

          About Me Professional Musician

          Pros

          • Clear Sound
          • Durable
          • Easy To Use
          • Lightweight
          • Lots of power
          • Nice Size

          Cons

          • No Reverb onboard

          Best Uses

          • Events
          • Performances
          • Solo or Duo Acts

          Comments about QSC K8 8" Powered PA Speaker:

          I just switch from my Bose L1 Model 2 to this amazing speaker ( I got tired for carrying to many pieces, I do love Bose sound ) and to be honest, if i compare only one of these speakers to Bose, I dont missed Bose at all. It has a very clean sound, punchy and my voice and guitar just sound espectacular. I just use One speaker with a TC Helicon Voicelive 2 without a mixer for my small to mid size venues, thats it!!!! You just have to try it!!

          PS: Sorry for my english

          Comment on this review

          (2 of 4 customers found this review helpful)

           
          5.0

          Dj Hura

          By hura reed

          from New Jersey

          Comments about QSC K8 8" Powered PA Speaker:

          Pro's Excellent Power Crisp Mids and Highs, Deep Low Sub Great price for the money almost mimic the event Opal,
          Cons: Woofer should have better throws like Studio monitors , and have trim knobs instead of Switches


          I use the speaker as studio monitors and booth monitors when out on a gig. You can adjust the vocal and mid-sub to you liking. You don't have to weary about blowing the woofer, tweeter and buring out the amp.. If you ever use studio monitors.It has and eternal limit peak switch that will stop the overload without losing sound..
          I highly recommend this product for the price and sound and craftmanship .
          Feautures ok , use switches for adjusting the sound quality you desire instead of trims knobs
          Sturdy, Has great clean sound, but the 8"woofer should have better throws.like Studio monitors, fan bearing should have been quite
          Great Value, for the money light weight but very powerful.

          Comment on this review

          (3 of 4 customers found this review helpful)

           
          5.0

          K8 is Great!

          By BudTunes

          from St Louis, MO

          Comments about QSC K8 8" Powered PA Speaker:

          Lightweight, small but packs an incredible punch. I've seen other people wishing it had reverb or some sort of effect but I don't think that's what I'd want. I control my sound through my pedal board and Fishman Soloamp and use the K8 to add power and extra low end to the mix.
          I work as a solo act- guitar/vocals. I use a Fishman Solo amp by itself for a lot of my smaller gigs but when I need a little more bottom end or just better coverage I add my QSCK8 via the direct out of the Fishman . The sound is incredibly full. I've found that it's best to use the line input to keep from getting blown away. At especially large venues I've been adding a Mackie TH-15.
          Well built.
          It's a little more costy than a Mackie TH but so much better sound it's worth it.

          Comment on this review

          (6 of 6 customers found this review helpful)

           
          5.0

          Amazing Speaker!

          By Simon Mandal

          from New Jersey

          Comments about QSC K8 8" Powered PA Speaker:

          I have a hectic performing schedule, where I perform up at up to 12 venues in a week.I do everything from a 20 person kids party, to 1,500 seat theater shows.I wanted do have ONE speaker that would be appropriate to use in all the venues I work.

          This speaker is light enough to use at a backyard BBQ,and POWERFUL enough to use in a huge theater.
          It is LIGHT at 27 pounds.It is POWERFUL at 1,000 Watts.The sound that it produces is RICH, warm and FULL.
          I use an omni directional headset mic,and I can turn this up REALLY REALLY loud without feedback problems.

          I could not recommend this more highly.I was looking at speakers for 3 times as much, and I think this is a WAY better fit for my needs.
          If you are a professional entertainer, and need a no nonsense speaker that sounds AMAZING, buy this unit. You will love it!

          Comment on this review

          (3 of 3 customers found this review helpful)

           
          5.0

          Great lightweight keyboard amp

          By vince

          from Glen Wild NY

          Ask me a question

          Comments about QSC K8 8" Powered PA Speaker:

          I use my K8 as a dedicated keyboard amp,it sounds great it's super light weight and I just love it. I lugged 80 pound keyboard amps around for years and this just blows them all away to the junk pile. The only thing I wish they did was make both channels switchable between mic and line input. For my keys I use the mic input it's hotter, if I use 2 keyboards I use a little 4 channel behringer mixer, and send them both to one input. Great buy!

          Comment on this review

          (3 of 3 customers found this review helpful)

           
          5.0

          K-8 review

          Comments about QSC K8 8" Powered PA Speaker:

          I play mostly accoustic piano sounds from my electric piano,and sing. Piano sounds great, more bass response than you could hope for from a speaker this size, vocals are stellar,you just need to introduce some reverb via a mixer, or effects box,makes a great compact P.A., the only thing that would make this complete, would be some useable onboard reverb on one channel for vocals.At 27 pounds,my back loves it too.

          Comment on this review

          Displaying reviews 1-10

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