The KV2 Audio EX12 is rated 4.4/5 for sound quality, #5 of 83 12-Inch PA Speakers. See all PA & Live Sound rankings for every top pick.

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Brand: KV2 Audio
#5 KV2 Audio EX12: $3,480 eBay
Same family: the KV2 Audio EX6 (smaller model, estimated 3.6/5), the KV2 Audio EX26 (smaller model, estimated 3.6/5), the KV2 Audio EX10 (smaller model, rated 3.7/5), the KV2 Audio EX28 (smaller model, estimated 3.8/5) and the KV2 Audio EX15 (larger model, rated 4/5).
Pros: A highly accurate specialist 12 inch PA speaker with deep bass, very clear vocals and controlled throw. A 6.62 ideal-subwoofer preference score and 52Hz bass extension from medium-quality vendor data make this one of the strongest measured specialist boxes. Its 3-inch-diaphragm compression driver, 133dB claimed peak and 80° x 40° horn target high vocal clarity and controlled throw. Measured bass extension of 60Hz (-3dB).
Cons: The 27.4kg enclosure and premium price make it much less portable and accessible than the mainstream leaders. User controls are comparatively spare, without an onboard mixer, app control or general-purpose parametric EQ.
| Released | Sep 2004 (22 years ago) |
|---|---|
| AES Input | No |
| Amplifier Power | 500W continuous (450W LF + 50W HF, manufacturer specified) |
| Aux Input | No |
| Bass Extension (-3dB) | 60Hz (measured, vendor Spinorama data) |
| Bluetooth | No |
| Cabinet Material | Baltic birch plywood |
| Coaxial Input | No |
| Configuration | Active 2-way bass-reflex PA speaker |
| Coverage | 80° x 40° |
| Crossover Frequency | 1.1kHz (manufacturer specified) |
| DSP | Integrated crossover, phase alignment, EQ and protection |
| Dimensions | 23.5”H x 14.5”W x 14.5”D (596 x 368 x 368 mm) |
| Drivers | 12” neodymium woofer, 1.4” exit/3” diaphragm compression driver |
| Frequency Response | 55Hz - 22kHz (-3dB, manufacturer specified) |
| Guitar Input | No |
| HDMI Input | No |
| Inputs | Balanced XLR input and output |
| Maximum SPL | 133dB peak (manufacturer specified) |
| Microphone Input | No |
| Optical Input | No |
| Passive | No |
| RCA Input | No |
| Rigging | M10 hang point, OmniMount bracket point, 4x M6 bracket points, 10x M10 suspension points; 35mm pole mount |
| Spinorama Preference Score | 4.19 |
| Spinorama Preference Score with Perfect Sub | 6.62 |
| TRS Input | No |
| USB Input | No |
| Weight | 60.4 lbs (27.4 kg) |
| XLR Input | Yes |
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Frequency Response
How the KV2 Audio EX12 measures across the audible range. A flatter listening window (the sound arriving straight at you) is more neutral: peaks sound forward or harsh, dips sound recessed. The estimated in-room response adds what a typical room does, and there a gentle, even tilt down toward the treble is ideal. Both curves are shifted so their 300 Hz to 3 kHz average sits at 0 dB.
Measurement data: spinorama.org, measured by the manufacturer.
EQ for a Neutral Response
Flattens the measured listening window from the KV2 Audio EX12's own bass extension up to 16 kHz. Set a preamp of -1.2 dB, then add these filters to any parametric equalizer in the signal path: the speaker's app or DSP if it has parametric EQ, a miniDSP, Equalizer APO or Wavelet. Boosts are kept to 3 dB, and EQ cannot fix how evenly the speaker spreads sound off-axis, which is why some speakers gain more than others. Predicted preference score with this EQ: 4.5, up from 4.2 (7.0 with an ideal subwoofer, up from 6.6). Calculated by Speaker Ranking from the spinorama measurements above.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Peak | 132 Hz | -2.7 dB | 0.92 |
| Peak | 284 Hz | -2.0 dB | 4.00 |
| Peak | 4,989 Hz | +1.1 dB | 1.06 |
| Peak | 12,516 Hz | -2.8 dB | 4.00 |
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