QSC K12.2 vs L-Acoustics 112P

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 37 12-inch powered PA speakers, both with strong measured results.

The 112P posts the highest preference score in this size class, but it is a discontinued cabinet. Its medium-quality vendor data returns a 7.22 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 32kg 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 6.82 preference score with 48Hz extension, deeper than the 112P’s. At 17.7kg 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.

Specifications Side By Side

Related Speaker Comparisons

A few more comparisons worth a look in the same class:

• FBT ProMaxX 112A vs JBL PRX912
• FBT ProMaxX 112A vs KV2 Audio EX12
• FBT ProMaxX 112A vs RCF KX 32-A
• QSC K10.2 vs QSC K12.2
• QSC K8.2 vs QSC K12.2

Prices on this page were last checked September 7, 2026 at 7:47 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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The Two Speakers In Full

QSC K12.2: $899.99 Amazon B&H Photo Video Guitar Center eBay

Pros: The strongest all-round tonal result in this popular-model group: the vendor Spinorama data produces a 6.82 ideal-subwoofer preference score and 48Hz measured bass extension. Extensive onboard DSP, flexible main/monitor use and a long market track record make it an unusually safe general-purpose choice.

Cons: The underlying Spinorama source is low quality, so its apparent measured lead deserves caution. It is not the cheapest 12-inch option, and serious dance music or high-output live use still benefits from a subwoofer.

Full QSC K12.2 review and specifications →

Amplifier Power	2025W peak (1800W LF + 225W HF)
Bass Extension (-3dB)	48Hz (measured, vendor Spinorama data)
Bluetooth	No
Cabinet Material	Impact-resistant ABS
Configuration	Active 2-way bass-reflex PA speaker
Coverage	75° conical
DSP	Yes
Dimensions	23.7"H x 14"W x 13.8"D (602 x 356 x 350 mm)
Drivers	12" woofer, 1.4" compression driver
Frequency Response	45Hz - 20kHz (-10dB, manufacturer specified)
Inputs	2 x XLR/TRS combo, 3.5mm aux
Maximum SPL	132dB peak (manufacturer specified)
Rigging	2 x M10 inserts and pull-back point; 35mm pole mount
Weight	39 lbs / 17.7 kg

• Links
  • QSC K12.2 Product Page
• Reviews, Comparisons and Sound Samples
  • Spinorama Measurements
• Head-to-Head Comparisons
  • QSC K12.2 vs FBT ProMaxX 112A
  • QSC K12.2 vs KV2 Audio EX12
  • QSC K12.2 vs QSC K8.2
  • QSC K12.2 vs QSC K10.2
  • QSC K12.2 vs PreSonus ULT10

L-Acoustics 112P eBay

Pros: Its medium-quality vendor Spinorama data produces the category’s highest ideal-subwoofer preference score at 7.22, with 54Hz bass extension. The coaxial layout gives symmetric 90° coverage and strong feedback resistance for monitor and near-field work.

Cons: This discontinued 32kg cabinet is difficult to source, very heavy for a portable 12-inch box and lacks modern networking or an onboard mixer. Its ranking reflects acoustic performance rather than present-day value or ownership convenience.

Full L-Acoustics 112P review and specifications →

Amplifier Power	1,000W at 8Ω (manufacturer specified)
Bass Extension (-3dB)	60Hz (measured, vendor Spinorama data)
Bluetooth	No
Cabinet Material	18/24/30mm Baltic birch plywood
Configuration	Self-powered 2-way coaxial PA speaker
Coverage	90° conical
DSP	Yes, onboard presets and protection
Dimensions	21.3"H x 16.1"W x 15.4"D (540 x 410 x 390 mm)
Drivers	12" coaxial woofer, 1.4" exit/3" voice-coil compression driver
Frequency Response	50Hz - 20kHz (-10dB, FRONT preset, manufacturer specified)
Inputs	Balanced XLR analog input
Maximum SPL	133dB peak (manufacturer specified)
Rigging	Integrated pole-mount socket; optional ETRI2-2 bracket and XTLIFTBAR
Weight	70.5 lbs / 32 kg

• Links
  • L-Acoustics 112P Product Information
• Reviews, Comparisons and Sound Samples
  • Spinorama Measurements
• Head-to-Head Comparisons
  • L-Acoustics 112P vs FBT ProMaxX 112A
  • L-Acoustics 112P vs JBL PRX912
  • L-Acoustics 112P vs Wharfedale Pro Delta X10