The Activo Volcano ranks #929 out of 1291 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Prices on this page were last checked October 16, 2026 at 5:46 PM 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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#929 Activo Volcano: $79.99 B&H Photo Video $79.99 eBay
Pros: A broadly balanced tuning with a preference score of 65 against the Harman target.
Cons: Treble about 4 dB below target from 3 to 10 kHz, which can sound dull or veiled next to brighter headphones. An uneven response, 3.0 dB standard deviation from target.
Is the Activo Volcano right for you?
Buy it if
- you are sensitive to bright or sharp treble (treble sits 4.3 dB below target).
- you are happy to use EQ: our preset lifts its Harman match by about 19 points.
Skip it if
- you want the best value: the higher-rated EPZ G10 costs about $56 less.
| Back | Closed |
|---|---|
| Connection | Wired |
| Deviation From Target | 3.02 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 3 dynamic drivers (1 x 8mm DD + 2 x 6mm DD) |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz |
| Harman Preference Score | 65 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 100 dB/mW |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-5.4 dB at 30 Hz) |
| Tonal Tilt | -0.07 (negative is warmer, positive brighter) |
| Weight | Lightweight PC shell |
EQ Presets
Harman target
Set a preamp of -6.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted Harman match with this EQ: 84 out of 100, up from 65.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +3.9 dB | 0.70 |
| High shelf | 10,000 Hz | -1.0 dB | 0.70 |
| Peak | 23 Hz | +2.3 dB | 1.70 |
| Peak | 186 Hz | -3.5 dB | 0.71 |
| Peak | 1,720 Hz | -1.6 dB | 4.33 |
| Peak | 2,352 Hz | +1.7 dB | 6.00 |
| Peak | 4,390 Hz | +6.0 dB | 1.62 |
Neutral target
Set a preamp of -6.1 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted Neutral match with this EQ: 85 out of 100, up from 46.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -4.6 dB | 0.70 |
| High shelf | 10,000 Hz | -1.0 dB | 0.70 |
| Peak | 23 Hz | +1.9 dB | 2.09 |
| Peak | 174 Hz | -3.6 dB | 0.64 |
| Peak | 1,723 Hz | -1.6 dB | 4.43 |
| Peak | 2,352 Hz | +1.8 dB | 6.00 |
| Peak | 4,390 Hz | +6.0 dB | 1.62 |
Studio flat target
Set a preamp of -5.9 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted Studio flat match with this EQ: 87 out of 100, up from 28.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -7.2 dB | 0.70 |
| High shelf | 10,000 Hz | +2.0 dB | 0.70 |
| Peak | 171 Hz | -5.5 dB | 0.70 |
| Peak | 2,381 Hz | +3.0 dB | 6.00 |
| Peak | 3,799 Hz | +5.7 dB | 1.21 |
Warm target
Set a preamp of -6.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted Warm match with this EQ: 87 out of 100, up from 68.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +4.2 dB | 0.70 |
| High shelf | 10,000 Hz | -4.0 dB | 0.70 |
| Peak | 174 Hz | -3.3 dB | 0.73 |
| Peak | 4,338 Hz | +6.0 dB | 2.89 |
| Peak | 7,023 Hz | +2.0 dB | 4.97 |
Bass target
Set a preamp of -6.1 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted Bass match with this EQ: 82 out of 100, up from 53.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +5.7 dB | 0.70 |
| High shelf | 10,000 Hz | -1.0 dB | 0.70 |
| Peak | 198 Hz | -3.4 dB | 0.99 |
| Peak | 1,706 Hz | -1.6 dB | 3.90 |
| Peak | 2,353 Hz | +1.7 dB | 6.00 |
| Peak | 4,390 Hz | +6.0 dB | 1.62 |
Bright target
Set a preamp of -6.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted Bright match with this EQ: 77 out of 100, up from 33.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -4.6 dB | 0.70 |
| High shelf | 10,000 Hz | +1.6 dB | 0.70 |
| Peak | 174 Hz | -3.6 dB | 0.62 |
| Peak | 3,071 Hz | -1.9 dB | 6.00 |
| Peak | 4,056 Hz | +6.0 dB | 1.22 |
| Peak | 5,730 Hz | +2.8 dB | 6.00 |
V-shaped target
Set a preamp of -6.4 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 3 squig.link measurements, in the filter layout AutoEQ uses. Predicted V-shaped match with this EQ: 75 out of 100, up from 50.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +5.9 dB | 0.70 |
| High shelf | 10,000 Hz | +2.0 dB | 0.70 |
| Peak | 204 Hz | -2.0 dB | 1.23 |
| Peak | 4,056 Hz | +6.0 dB | 1.11 |
| Peak | 5,663 Hz | +2.5 dB | 6.00 |
- Reviews, Comparisons and Sound Samples
Frequency Response
How the Activo Volcano measures across the audible range, against the Harman in-ear target that most listeners prefer in blind tests. Where the line sits above the target that range sounds louder (more bass, brighter treble), below it quieter. The curve is the median of 3 independent measurements, so one odd sample or rig cannot skew it, and both lines are shifted so their 500 Hz to 2 kHz average sits at 0 dB.
Measurement data: median of 3 measurements from the squig.link databases of aden, audioamigo and digaoreviews. Thanks to each of them for publishing their work.
Head-to-Head Comparisons
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