Short answer: choose between the QSC K12.2 and Yamaha DXR12mkII for the requirements of the venue and system, not from rank alone. In this size class, coverage, bass extension, output capability, DSP, cabinet construction, and service support often decide the better fit. The Yamaha DXR12mkII is discontinued; its replacement is the Yamaha DXR12mkIII.
Why choose 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.
Why choose the Yamaha DXR12mkII. A proven, broadly distributed workhorse with a flexible three-channel input section and 134dB claimed maximum output. Medium-quality vendor Spinorama data and 61Hz measured extension provide more evidence than many PA competitors, while Yamaha’s FIR-X processing and D-CONTOUR presets simplify setup.
What to weigh before buying. 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. The 5.49 ideal-subwoofer preference score is only mid-pack, with meaningful response/directivity irregularity in the supplied data. It lacks app control and Bluetooth audio, and newer competitors offer more user-adjustable DSP.
Buy the QSC K12.2 when its stated coverage, output, processing, and deployment format best match the job.
Buy the Yamaha DXR12mkII when its stated strengths are the better match for the room and the rest of the PA.
Looking for alternatives? See the complete PA & Live Sound rankings.
A reliable 12 inch PA speaker with excellent sound and flexible built in processing, a safe choice for most events.
A proven 12 inch PA workhorse with good sound, loud output, three input channels and easy processing presets.
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Specifications Side By Side
| QSC K12.2 | Yamaha DXR12mkII | |
|---|---|---|
| Price | $899.99 | $864.99 Discontinued |
| Ranked | #1 of 83 in 12-Inch PA Speakers | #17 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 | 12” woofer, 1.4” compression driver | 12” woofer, 1.75” compression driver |
| Frequency Response | 45Hz - 20kHz (-10dB, manufacturer specified) | 52Hz - 20kHz (manufacturer specified) |
| Dimensions | 23.7”H x 14”W x 13.8”D (602 x 356 x 350 mm) | 23.7”H x 14.3”W x 13.8”D (601 x 362 x 350 mm) |
| Amplifier Power | 2025W peak (1800W LF + 225W HF) | 1100W dynamic / 700W continuous (950W LF + 150W HF dynamic) |
| Cabinet Material | Impact-resistant ABS | Matte-finish ABS |
| Rigging | 2 x M10 inserts and pull-back point; 35mm pole mount | 3 x M10 points; 35mm dual-angle pole mount |
| Bass Extension (-3dB) | 48Hz (measured, vendor Spinorama data) | 61Hz (measured, vendor Spinorama data) |
| Coverage | 75° conical | 90° x 60° |
| Maximum SPL | 132dB peak (manufacturer specified) | 134dB peak (manufacturer specified) |
| Inputs | 2 x XLR/TRS combo, 3.5mm aux | 2 x XLR/TRS combo, stereo RCA |
| DSP | Yes | Yes |
| Bluetooth | No | No |
| Weight | 39 lbs (17.7 kg) | 41 lbs (18.6 kg) |
| Spinorama Preference Score | 5.46 | 2.78 |
| Spinorama Preference Score with Perfect Sub | 7.73 | 5.49 |
| XLR Input | Yes | Yes |
| RCA Input | No | Yes |
| 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 | Yes | No |
| Microphone Input | No | No |
| Guitar Input | No | No |
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: QSC K12.2 (measured by the manufacturer) and Yamaha DXR12mkII (measured by the manufacturer), via spinorama.org.
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