Short answer: choose between the PreSonus ULT10 and QSC K12.2 for the deployment, not from the automatic ranking alone. Their driver format, power requirements, coverage, bass reach, output capability, and control features determine which is the more practical PA for a particular room or system.
The case for the PreSonus ULT10. A custom 10-inch driver with a 2.5-inch voice coil and a WorxAudio-designed rotatable Pivot X110 horn deliver a wide 110° x 50° dispersion pattern for even coverage and an ultra-long throw at 1,300W peak.
The case for the QSC K12.2. The strongest all-round tonal result in this popular-model group: the vendor Spinorama data produces a 7.73 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.
Important trade-offs. Medium-quality vendor data shows a 3.2 ideal-subwoofer preference score, below most other actives in this ranking, and it lacks an onboard mixer or app control. 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.
Buy the PreSonus ULT10 when its stated format, coverage, and system features fit the job better.
Buy the QSC K12.2 when its stated output, control, and deployment strengths better match the system.
Still deciding? The full PA & Live Sound rankings cover every ranked option.
A powered 10 inch PA speaker with a rotatable wide horn that spreads sound evenly over a room and throws it far.
A reliable 12 inch PA speaker with excellent sound and flexible built in processing, a safe choice for most events.
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Specifications Side By Side
| PreSonus ULT10 | QSC K12.2 | |
|---|---|---|
| Price | $949.95 Discontinued | $899.99 |
| Ranked | #39 of 42 in 10-Inch PA Speakers | #1 of 83 in 12-Inch PA Speakers |
| Passive | No | No |
| Configuration | Active 2-way bass-reflex PA speaker | Active 2-way bass-reflex PA speaker |
| Drivers | 10” woofer with 2.5” voice coil, compression driver | 12” woofer, 1.4” compression driver |
| Dimensions | 22”H x 13.2”W x 11.9”D (559 x 335 x 302.3 mm) | 23.7”H x 14”W x 13.8”D (602 x 356 x 350 mm) |
| Inputs | Two XLR/TRS combo inputs (one mic/line, one line); two XLR male outputs | 2 x XLR/TRS combo, 3.5mm aux |
| Amplifier Power | 1,300W peak / 650W continuous (1,000W / 500W LF; 300W / 150W HF, manufacturer specified) | 2025W peak (1800W LF + 225W HF) |
| Crossover Frequency | 1.6kHz (manufacturer specified) | - |
| Cabinet Material | 15mm eucalyptus plywood | Impact-resistant ABS |
| Rigging | M10 suspension points; two-position 35mm pole socket | 2 x M10 inserts and pull-back point; 35mm pole mount |
| Coverage | 110° x 50° | 75° conical |
| Bass Extension (-3dB) | 71Hz (measured, vendor Spinorama data) | 48Hz (measured, vendor Spinorama data) |
| DSP | Yes | Yes |
| Bluetooth | No | No |
| Spinorama Preference Score | 1.15 | 5.46 |
| Spinorama Preference Score with Perfect Sub | 3.96 | 7.73 |
| XLR Input | Yes | Yes |
| RCA Input | No | No |
| TRS Input | Yes | Yes |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | Yes |
| Microphone Input | Yes | No |
| Guitar Input | No | No |
| Maximum SPL | 130dB peak (650W RMS / 1300W peak power) | 132dB peak (manufacturer specified) |
| Weight | 44 lbs (19.96 kg) | 39 lbs (17.7 kg) |
| Frequency Response | 65Hz - 20kHz (Manufacturer specified) | 45Hz - 20kHz (-10dB, manufacturer specified) |
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.
Measurement data: PreSonus ULT10 (measured by the manufacturer) and QSC K12.2 (measured by the manufacturer), via spinorama.org.
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