QSC K12.2 vs L-Acoustics 112P

Last updated: October 21, 2026

Short answer: the QSC K12.2, unless you can find a used 112P and specifically need its coaxial dispersion. These rank #1 and #2 out of 83 12-inch powered PA speakers, both with strong measured results.

QSC K12.2 vs L-Acoustics 112P

The 112P posts the highest preference score in this size class, but it is a discontinued cabinet. Its medium-quality vendor data returns a 8.09 ideal-subwoofer preference score, the category’s best, with 60Hz measured extension and symmetric 90-degree coaxial coverage that gives strong feedback resistance for monitor and near-field work. Its own review is direct that it is difficult to source today, very heavy at 70.5 lbs (32 kg) for a portable 12-inch box, and lacks modern networking or an onboard mixer, so its ranking reflects acoustic performance rather than present-day ownership convenience.

The K12.2 is close behind and easy to actually buy. Low-quality vendor data still returns a 7.73 preference score with 48Hz extension, deeper than the 112P’s. At 39 lbs (17.7 kg) it is barely half the 112P’s weight, with extensive onboard DSP and a long market track record backing it up.

Everything else favors the K12.2 for practicality: a 75-degree conical horn versus the 112P’s 90-degree pattern, a lighter ABS cabinet versus 18/24/30mm Baltic birch plywood, and active purchase links versus none for the discontinued L-Acoustics box.

Buy the QSC K12.2 for the deeper bass extension, far lighter cabinet, and the fact that it is a current product you can order today.

Buy the L-Acoustics 112P only if you find one used at a strong discount and specifically want its coaxial dispersion for monitor or near-field duty.

Looking for alternatives? See the complete PA & Live Sound rankings.

QSC K12.2

A reliable 12 inch PA speaker with excellent sound and flexible built in processing, a safe choice for most events.

Woofer: 12"Max SPL: 132 dBType: PoweredWeight: 39 lbs
Amazon $899.99 B&H Photo Video $899.99 Guitar Center $899.99 eBay
$899.99
L-Acoustics 112P Discontinued

A superb sounding coaxial 12 inch PA monitor with even coverage; now discontinued but worth buying used.

Woofer: 12"Max SPL: 133 dBType: PoweredWeight: 70.5 lbs
eBay
$4,870

Prices on this page were last checked October 23, 2026 at 8:27 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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Specifications Side By Side

QSC K12.2 L-Acoustics 112P
Price$899.99$4,870 Discontinued
Ranked#1 of 83 in 12-Inch PA Speakers#2 of 83 in 12-Inch PA Speakers
PassiveNoNo
ConfigurationActive 2-way bass-reflex PA speakerSelf-powered 2-way coaxial PA speaker
Drivers12” woofer, 1.4” compression driver12” coaxial woofer, 1.4” exit/3” voice-coil compression driver
Frequency Response45Hz - 20kHz (-10dB, manufacturer specified)50Hz - 20kHz (-10dB, FRONT preset, manufacturer specified)
Dimensions23.7”H x 14”W x 13.8”D (602 x 356 x 350 mm)21.3”H x 16.1”W x 15.4”D (540 x 410 x 390 mm)
Amplifier Power2025W peak (1800W LF + 225W HF)1,000W at 8Ω (manufacturer specified)
Cabinet MaterialImpact-resistant ABS18/24/30mm Baltic birch plywood
Rigging2 x M10 inserts and pull-back point; 35mm pole mountIntegrated pole-mount socket; optional ETRI2-2 bracket and XTLIFTBAR
Bass Extension (-3dB)48Hz (measured, vendor Spinorama data)60Hz (measured, vendor Spinorama data)
Coverage75° conical90° conical
Maximum SPL132dB peak (manufacturer specified)133dB peak (manufacturer specified)
Inputs2 x XLR/TRS combo, 3.5mm auxBalanced XLR analog input
DSPYesYes, onboard presets and protection
BluetoothNoNo
Weight39 lbs (17.7 kg)70.5 lbs (32 kg)
Spinorama Preference Score5.465.61
Spinorama Preference Score with Perfect Sub7.738.09
XLR InputYesYes
RCA InputNoNo
TRS InputYesNo
Optical InputNoNo
Coaxial InputNoNo
USB InputNoNo
HDMI InputNoNo
AES InputNoNo
Aux InputYesNo
Microphone InputNoNo
Guitar InputNoNo

Frequency Response Compared

Both speakers’ spinorama measurements, overlaid. A flatter line is more neutral: peaks sound forward or harsh, dips sound recessed. Each curve is shifted so its average from 300 Hz to 3 kHz sits at 0 dB, so loudness differences between the two are removed and only the shape is compared.

Listening window: the sound arriving straight at you, averaged over a small window around the listening position.
QSC K12.2L-Acoustics 112P
Listening window of the QSC K12.2 and L-Acoustics 112P-24-18-12-60+6dB20501002005001k2k5k10k20k
Estimated in-room response: what a typical room adds: reflections from walls and the floor make it tilt down toward the treble, and a gentle, even tilt is ideal.
QSC K12.2L-Acoustics 112P
Estimated in-room response of the QSC K12.2 and L-Acoustics 112P-24-18-12-60+6dB20501002005001k2k5k10k20k

Measurement data: QSC K12.2 (measured by the manufacturer) and L-Acoustics 112P (measured by the manufacturer), via spinorama.org.

How QSC K12.2 compares with other leading options: