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1 / 14MDAQS Overall — measured in the SoundGuys lab.
Electric guitar is the most common — on 55% of the 22 instrument amps we've cataloged (of 13).
Modeling is the most common — on 50% of the 12 instrument amps we've cataloged (of 13).
Chorus is the most common — on 6% of the 47 instrument amps we've cataloged (of 13).
The Positive Grid Spark Neo provides an immersive and cable-free way to rock out. Whether you're running the set backstage before the big gig or practicing your scales at home to the built-in metronome, the Spark app offers endless tones and valuable features for both seasoned touring musicians and beginners putting in the work.
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | -5.9 |
| 25 | -3.2 |
| 32 | -0.6 |
| 40 | 0.8 |
| 50 | 1.4 |
| 63 | 1.8 |
| 80 | 5.2 |
| 100 | 5.7 |
| 125 | 4.8 |
| 160 | 2.1 |
| 200 | 0.1 |
| 250 | -2.4 |
| 315 | -5.1 |
| 400 | -6.2 |
| 500 | -5.2 |
| 630 | -3.5 |
| 800 | -1.7 |
| 1000 | -0.3 |
| 1250 | 1.7 |
| 1600 | 3.6 |
| 2000 | 4.5 |
| 2500 | 5.1 |
| 3150 | 4.5 |
| 4000 | 7.1 |
| 5000 | 3.7 |
| 6300 | 6.6 |
| 8000 | 7.7 |
| 10000 | 8.8 |
| 12500 | -2.5 |
| 16000 | -1.2 |
| 20000 | -32.2 |
Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | -0.8 |
| 26 | -2.0 |
| 33 | -1.2 |
| 41 | -0.5 |
| 52 | -0.7 |
| 65 | -1.8 |
| 82 | -2.5 |
| 103 | -2.8 |
| 130 | -1.0 |
| 163 | -0.5 |
| 205 | 0.6 |
| 259 | 3.1 |
| 325 | 5.5 |
| 410 | 5.0 |
| 516 | 6.1 |
| 613 | 7.0 |
| 772 | 10.1 |
| 972 | 13.6 |
| 1220 | 15.7 |
| 1540 | 12.8 |
| 1940 | 19.2 |
| 2440 | 16.3 |
| 3070 | 13.3 |
| 3870 | 19.9 |
| 4870 | 33.8 |
| 6130 | 33.1 |
| 7720 | 41.5 |
| 9720 | 37.3 |
| 12200 | 24.9 |
| 15400 | 38.5 |
| 19400 | 40.0 |
Multi-Dimensional Audio Quality Scores (1–5), modeled from the measured response. Higher is better across timbre, distortion, and immersiveness — add other models to see where this one lands.









