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QSC K8 8" Powered PA Speaker  

Item #: 
1274034490355
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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 105 wide dispersion is a major advantage when the ... Click To Read More About This Product

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$64999.00
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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 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
Specifications
  • 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.
Warranty

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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
QSCK8 8" Powered PA Speaker
 
4.8

(based on 34 reviews)

Ratings Distribution

  • 5 Stars

     

    (30)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good audio (12)
  • Easy to use (11)
  • Compact (10)
  • Lightweight (9)
  • Durable (8)

Cons

No Cons

Best Uses

  • Performances (8)
  • Outdoor events / games (7)
  • Pro audio / DJ / mixing (6)
  • Home studio (3)
    • Reviewer Profile:
    • Experienced (7), Professional musician (6)

Most Liked Positive Review

 

Little speaker with big sound !

I own a Bose L1 classic and had been looking for something smaller to reduce the number of trips to and from the car. I was prepared to sacrifice sound quality for a lighter...Read complete review

I own a Bose L1 classic and had been looking for something smaller to reduce the number of trips to and from the car. I was prepared to sacrifice sound quality for a lighter more portable system when I came upon the QSC K8. At 1000 watts, I was blown away by how clean and loud these can get without distortion. Frankly, these little speakers rival my Bose for quality and the DEEP setting gives me plenty of low frequency without needing an optional sub woofer. Many powered speakers use digital signal processing technology to create the illusion of big sound from a small package. After a certain volume level, this technology distorts the sound so you can never get full use out of the speaker. Not so with the QSC K8. Their engineers have managed to overcome this problem and the speaker sounds great cranked up at full volume. I purchased two of these and my total setup time is about 5 minutes. With two inputs, each speaker is actually a small PA and there is a balanced line out to send your mixed sound to a house sound board if needed. To summarize, a road weary musician will welcome these as lightweight alternative to almost any sound system on the market today-big or small. The show business phrase: "Great gear packs small but plays big" would definitely apply to QSC K series. Buy as many as you can afford. You will not be disappointed.

VS

Most Liked Negative Review

 

Great speakers when the drivers don't blow out

I've had six of these K8's since they've came out and they are some of my favorite speakers because of sound and size.. great all around sound...when they work. The...Read complete review

I've had six of these K8's since they've came out and they are some of my favorite speakers because of sound and size.. great all around sound...when they work. The main downfall is the quality of the low end driver.. I don't know if it's because these little things hit so hard on the low end, but 3 of the 6 I've owned have had the low end driver cone separate from the outer ring which makes the speaker useless if you're in the middle of a gig..because the bass distorts bad. Luckily one of these speakers can get you thru the rest of your gig if this same thing happens to you but hopefully QSC figures out something to get this issue resolved. I'm almost afraid to use these with in DEEP mode because of that problem so I would definitely suggest a separate subwoofer so you can run it in EXT SUB mode. Other than that one issue, these little speakers are some of the best I've ever used in 13 years of being a DJ.

Reviewed by 34 customers

Displaying reviews 1-10

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5.0

The Standard!

By Greg

from Washington, DC

About Me Experienced

Verified Buyer

Pros

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

Cons

    Best Uses

    • Events
    • Performances

    Comments about QSC K8 8" Powered PA Speaker:

    Replaced a Bose L1 Compact. The K8's are far more transparent and work better in more situations.

    (1 of 1 customers found this review helpful)

     
    5.0

    Excellent speaker with good sound quality

    By Zumbian

    from Chicago, IL.

    About Me Experienced

    Verified Buyer

    Pros

    • Clear Sound
    • Compact
    • Durable
    • Easy To Use

    Cons

    • Bulky/Heavy

    Best Uses

    • Dance/Fitness classes

    Comments about QSC K8 8" Powered PA Speaker:

    Use this speaker for classes that I lead at local gyms. Speaker is great because I can rely on it because the gym stereo system is often broken. Sound quality is able to reach to all areas of the room.

    (1 of 1 customers found this review helpful)

     
    5.0

    A must in the industry!

    By DJ Boom

    from Atlanta

    About Me Professional Musician

    Verified Buyer

    Pros

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

    Cons

      Best Uses

      • Mobile DJ

      Comments about QSC K8 8" Powered PA Speaker:

      As a DJ I'm always looking for 3 things...quality, dependability and compact. With QSC you get those things and much more. It's the best quality and sound on the market and this thing kicks with it's 1000 watts! One of these things is all you need for ceremonies and when you register them you get a 6 year warranty! 2 of these take up hardly any room! Won't buy anything else from now on!

      (1 of 4 customers found this review helpful)

       
      2.0

      NOT MONITORS!!!!!!

      By S McNown

      from Kansas City

      About Me Professional Musician

      Pros

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

      Cons

      • Limited Functions

      Best Uses

        Comments about QSC K8 8" Powered PA Speaker:

        These speakers unquestionably sound amazing, but what reason would they have for not making these speakers function as monitors...? I didn't even think to ask, and now I have to pay for return shipping!!!! Not happy about that.

         
        5.0

        Don't make any better for compact sound

        By Miller

        from mt airy nc

        About Me Experienced

        Verified Buyer

        Comments about QSC K8 8" Powered PA Speaker:

        Have used K series many times....top of the line for affordable price

         
        5.0

        Excellent Product / Excellent Store

        By RISK

        from Weirton WV

        About Me Professional Musician

        Verified Buyer

        Pros

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

        Cons

          Best Uses

          • Home Studio
          • Performances
          • Professional Recording

          Comments about QSC K8 8" Powered PA Speaker:

          Rehearsal and Gigs

           
          5.0

          love this!

          By michael

          from undisclosed

          About Me Experienced

          Pros

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

          Cons

          • none

          Best Uses

          • Events
          • Home Studio
          • Mobile DJ
          • Performances

          Comments about QSC K8 8" Powered PA Speaker:

          I bought one of these at the store. Im a truck driver with a small studio in my truck (bass player). This speaker i was hesitant about because of the small speaker size. OMG this speaker absolutely rocks! One speaker does an incredible job..punchy..hard hitting and powerful. I use it at 1/3 volume setting and its massive. I added a subwoofer to complete the bottom end..wow. I cant say enough good things about this speaker!

           
          4.0

          Solid Speaker

          By Omega Starr

          from Allen, TX

          About Me Experienced

          Pros

          • Clear Sound
          • Easy To Use
          • Versatile

          Cons

            Best Uses

            • Events
            • Mobile DJ
            • Performances

            Comments about QSC K8 8" Powered PA Speaker:

            Purchased a pair of K8 and the clarity and the power are great. This speaker has performed well so far.

             
            5.0

            Best speakers on the market.

            By Frenchy

            from Dover Ohio

            About Me Experienced

            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!

              (2 of 2 customers found this review helpful)

               
              5.0

              Un-frickin-believable

              By floridadj

              from Florida

              About Me Professional Musician

              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.

              Displaying reviews 1-10

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