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Which QSC K Class loudspeakers are right for you?
QSC K Class Loudspeakers
Find the right powered speakers in our QSC buying guide
With their industry-leading K.2 series loudspeakers, K Column all-in-one systems, and KS series subwoofers, QSC has set the standard for lightweight powered PA loudspeakers. In this buying guide, you can compare QSC K Class speakers to find the best fit for your venue or portable PA system.
QSC K.2 Series: Ideal instrument amplification or portable PA
The K.2 series includes the K12.2, K10.2, and K8.2 full-range 2-way powered speakers. QSC also offers the KS112, KS118, and KS212C powered subwoofers.
K Stands for Kilowatts: 2000+ Watts Peak Power, 1000 Watts Continuous Power These speakers' built-in Class D power amps employ QSC's Guardrail limiter to prevent destructive clipping distortion and woofer over-excursion, while a virtually silent internal fan turns on when the amp senses high temperatures -- making K.2 speakers ruly robust. These speakers deliver 2000+ watts peak power, 1000 watts continuous power.
Get a quick overview of the K.2 series in this video from QSC:
- More power, higher headroom: True 2025-watt peak (1800 watts LF + 225 watts HF)
- More output: 2-3 dB higher SPL, deeper bass due to complex excursion limiting, and improved voice clarity with flat phase response
- 3-channel onboard mixing with individual gain control
- New rear LCD screen: Easy access to DSP presets and custom settings
- Built-in presets: Dance Music, Stage Monitor, Vocal Monitor, Acoustic Guitar, Bass Guitar, Handheld Mic, Headworn Mic, etc.
- Saveable Scenes: Adjust and save your preset, crossover, delay, EQ, and input A and B sources
- 55-degree-angled corner: All three models can be used as floor monitor wedges
- 3.5mm (1/8") Aux Input with independent gain
- Selectable Hi-Z (high-impedance) input for passive instruments
- Updated styling: Smoother lines, new cloth lining under grille, less obtrusive M10 fasteners, improved center of gravity for pole-mounting with addition of second pole cup
K Stands for Kilowatts: 2000+ Watts Peak Power, 1000 Watts Continuous Power These speakers' built-in Class D power amps employ QSC's Guardrail limiter to prevent destructive clipping distortion and woofer over-excursion, while a virtually silent internal fan turns on when the amp senses high temperatures -- making K.2 speakers ruly robust. These speakers deliver 2000+ watts peak power, 1000 watts continuous power.
What's New in K.2?
As the second generation of QSC's hugely popular K Series, the K.2 Series improves on QSC's standard-setting powered speakers, with updates including...- More power, higher headroom: True 2025-watt peak (1800 watts LF + 225 watts HF)
- More output: 2-3 dB higher SPL, deeper bass due to complex excursion limiting, and improved voice clarity with flat phase response
- 3-channel onboard mixing with individual gain control
- New rear LCD screen: Easy access to DSP presets and custom settings
- Built-in presets: Dance Music, Stage Monitor, Vocal Monitor, Acoustic Guitar, Bass Guitar, Handheld Mic, Headworn Mic, etc.
- Saveable Scenes: Adjust and save your preset, crossover, delay, EQ, and input A and B sources
- 55-degree-angled corner: All three models can be used as floor monitor wedges
- 3.5mm (1/8") Aux Input with independent gain
- Selectable Hi-Z (high-impedance) input for passive instruments
- Updated styling: Smoother lines, new cloth lining under grille, less obtrusive M10 fasteners, improved center of gravity for pole-mounting with addition of second pole cup
QSC K12.2 full-range 2-way powered speaker
The largest speaker in the K.2 series, the K12.2 weighs 39 pounds and stands 23.7" tall, 14" wide and 13.8" deep. It's loaded with a 12" woofer for the LF driver, and the same 1.4" titanium diaphragm compression driver found on all K.2 full-range speakers. The K12.2 is designed to disperse sound evenly across a 75-degree axisymmetric coverage angle.
The successor to the best-selling QSC K12, the K12.2 is a great choice for portable PA systems. A single K12.2 is also a "secret weapon" for onstage instrument amplification, replacing conventional amps for keyboardists, bassists and guitarists.
The K12.2 delivers a frequency response of 50 Hz - 20 kHz, with a peak 132 dB SPL and continuous 126 dB SPL at 1 meter.
Own it for $899.99 or 12 payments of $75.00!
The successor to the best-selling QSC K12, the K12.2 is a great choice for portable PA systems. A single K12.2 is also a "secret weapon" for onstage instrument amplification, replacing conventional amps for keyboardists, bassists and guitarists.
The K12.2 delivers a frequency response of 50 Hz - 20 kHz, with a peak 132 dB SPL and continuous 126 dB SPL at 1 meter.
Own it for $899.99 or 12 payments of $75.00!
QSC K10.2 full-range 2-way powered speaker
Loaded with a 10" woofer, the K10.2 is 20.4" tall, 12.6" wide and 11.8" deep. Its compact size makes it a good choice for formal venues/events where your PA needs to fill the room without disrupting the aesthetics of the space, and at only 32 pounds, the K10.2 is easy for one person to set up on a pole.
Even sound dispersion over a 90-degree coverage angle means your K10.2 speakers can be close to the audience without leaving out folks on the sides -- making them excellent PA mains for small venues. And with its angled back corner, the K10.2 makes a great floor monitor.
The K10.2 puts out a frequency response of 56 Hz - 20 KHz, and is rated for a max peak 130 dB SPL, continuous 124 dB SPL.
Own it for $799.99 or 12 payments of $66.67!
Even sound dispersion over a 90-degree coverage angle means your K10.2 speakers can be close to the audience without leaving out folks on the sides -- making them excellent PA mains for small venues. And with its angled back corner, the K10.2 makes a great floor monitor.
The K10.2 puts out a frequency response of 56 Hz - 20 KHz, and is rated for a max peak 130 dB SPL, continuous 124 dB SPL.
Own it for $799.99 or 12 payments of $66.67!
QSC K8.2 full-range 2-way powered speaker
The smallest member of the K.2 series, the K8.2 weighs in at just 27 pounds and stands 17.7" tall, 11 wide and 10.6" deep. Like its larger siblings, the K8.2 has a tilt-back corner for floor monitor applications. It delivers even coverage over a very wide 105-degree angle, making efficient use of its 2000 watts.
The K8.2 delivers a frequency response of 49 Hz - 20 KHz, employing switchable DEEP processing for impressive bass response despite its small size -- making it a great choice for a super-portable grab-and-go PA speaker or instrument amp. It's rated for a max peak 128 dB SPL, continuous 122 dB SPL.
Beyond its incredible sound and solid build quality, the K8.2's most impressive spec may be its price-to-performance ratio that rivals nearly any small powered speaker.
Own it for $749.99 or 12 payments of $62.50!
The K8.2 delivers a frequency response of 49 Hz - 20 KHz, employing switchable DEEP processing for impressive bass response despite its small size -- making it a great choice for a super-portable grab-and-go PA speaker or instrument amp. It's rated for a max peak 128 dB SPL, continuous 122 dB SPL.
Beyond its incredible sound and solid build quality, the K8.2's most impressive spec may be its price-to-performance ratio that rivals nearly any small powered speaker.
Own it for $749.99 or 12 payments of $62.50!
QSC KS Series Subwoofers
Because bass frequencies move much more air than high frequencies, they require larger speaker cones, driven by high-wattage amplifiers. That's why at least one dedicated subwoofer is key in building a great-sounding portable PA system.
The QSC KS112 powered subwoofer delivers 2000 watts peak power with a single 12" woofer. Only 24.5" tall x 15.5" wide x 24.25" deep, the KS112 can sit on its long side to fit under a stage riser in a small club or bar installation. Or you can pole-mount any K.2 speaker atop the KS112 in a sub-satellite configuration. The QSC KS112 weighs 62.6 lbs and comes with 4 quiet casters and ergonomic handles for easy transport. This compact subwoofer is ideal for DJ setups, music playback in small bars, or mobile PAs that need easy-to-transport powered subs.
The QSC KS118 powered subwoofer delivers 3600 watts peak power through an 18" woofer. This very-high-output sub has comfortable handles and four low-noise casters to ease transportation, making it the perfect choice for larger clubs, performance venues, and mobile entertainment for outdoor events that need plenty of power. The KS118 measures 25.2" x 20.5" x 30.9" inches and weighs 104 lbs, with an M20 threaded pole-mount socket that's ideal for mounting a K.2 speaker on top.
Want to aim your bass? Step up to the QSC KS212C K Cardioid subwoofer. This powered sub delivers 3,600 watts peak power, with two 12" drivers in an ingenious cardioid design that delivers 15 dB more output from the front of the cabinet. At 24.5" tall, 15.5" wide, and 33.5" deep, it's modestly sized and weighs 88.5 lbs, and includes four quiet casters. The KS212C has two M20 threaded sockets (one on top, one on the side) for pole-mounting a K.2 speaker, and a speaker pole is included.
The K8.2, K10.2, and K12.2 all have an XLR line output that's perfect for sending a post-gain mono-summed signal to a subwoofer such as the KS112, KS118, or KS212C.
The QSC KS112 powered subwoofer delivers 2000 watts peak power with a single 12" woofer. Only 24.5" tall x 15.5" wide x 24.25" deep, the KS112 can sit on its long side to fit under a stage riser in a small club or bar installation. Or you can pole-mount any K.2 speaker atop the KS112 in a sub-satellite configuration. The QSC KS112 weighs 62.6 lbs and comes with 4 quiet casters and ergonomic handles for easy transport. This compact subwoofer is ideal for DJ setups, music playback in small bars, or mobile PAs that need easy-to-transport powered subs.
The QSC KS118 powered subwoofer delivers 3600 watts peak power through an 18" woofer. This very-high-output sub has comfortable handles and four low-noise casters to ease transportation, making it the perfect choice for larger clubs, performance venues, and mobile entertainment for outdoor events that need plenty of power. The KS118 measures 25.2" x 20.5" x 30.9" inches and weighs 104 lbs, with an M20 threaded pole-mount socket that's ideal for mounting a K.2 speaker on top.
Want to aim your bass? Step up to the QSC KS212C K Cardioid subwoofer. This powered sub delivers 3,600 watts peak power, with two 12" drivers in an ingenious cardioid design that delivers 15 dB more output from the front of the cabinet. At 24.5" tall, 15.5" wide, and 33.5" deep, it's modestly sized and weighs 88.5 lbs, and includes four quiet casters. The KS212C has two M20 threaded sockets (one on top, one on the side) for pole-mounting a K.2 speaker, and a speaker pole is included.
The K8.2, K10.2, and K12.2 all have an XLR line output that's perfect for sending a post-gain mono-summed signal to a subwoofer such as the KS112, KS118, or KS212C.
QSC "K Column" all-in-one PA systems
Column-style all-in-one PA systems had already been a fixture on the scene by the time QSC entered the category with the KC12. QSC took their time to get it right, crafting a true 3-way PA system with 3000 watts pushing dedicated high-, mid-, and low-frequency drivers -- in that sleek vertical form factor that's in demand for elegant events.
QSC's 3-way design sets the KC12 apart from lesser column systems. Inside the KC12 you'll find a 1" compression driver with a proprietary waveguide called LEAF (Length-Equalized Acoustic Flare), dual 4" midrange drivers, and a 12" subwoofer reaching down to 40 Hz. The KC12 delivers full-range horizontal coverage over a super-wide 145 degrees, with a focused 35-degree slice of vertical coverage designed to reach your audience's ears. And the KC12 gets plenty loud, with a peak 132 dB SPL at 1 meter -- just as you'd expect from QSC's full-size PA boxes like the K12.2!
If you're still bringing a full-size PA to your events because column systems just don't sound as good or crank up as loud as a traditional 2-way box on top of a subwoofer, check out QSC's "K Column" and prepare to be impressed.
Own it for $1,999.99 or 18 payments of $111.11!
QSC's 3-way design sets the KC12 apart from lesser column systems. Inside the KC12 you'll find a 1" compression driver with a proprietary waveguide called LEAF (Length-Equalized Acoustic Flare), dual 4" midrange drivers, and a 12" subwoofer reaching down to 40 Hz. The KC12 delivers full-range horizontal coverage over a super-wide 145 degrees, with a focused 35-degree slice of vertical coverage designed to reach your audience's ears. And the KC12 gets plenty loud, with a peak 132 dB SPL at 1 meter -- just as you'd expect from QSC's full-size PA boxes like the K12.2!
If you're still bringing a full-size PA to your events because column systems just don't sound as good or crank up as loud as a traditional 2-way box on top of a subwoofer, check out QSC's "K Column" and prepare to be impressed.
Own it for $1,999.99 or 18 payments of $111.11!