| Test | Flute 0.10 boxed SportaPro spec | Flute 0.10 boxed SportaPro | Flute 0.10 boxed HD-580 | Flute 0.10 boxed HD-580 spec |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.72, -0.40 | +0.64, -0.39 | +0.11, -0.24 | +0.11, -0.24 |
| Noise level, dB (A): | -94.0 | -104.0 | -102.4 | -94.1 |
| Dynamic range, dB (A): | 93.5 | 103.5 | 101.9 | 93.5 |
| THD, %: | 0.0021 | 0.0047 | 0.0010 | 0.0006 |
| IMD, %: | 0.932 | 1.306 | 0.043 | 0.018 |
| Stereo crosstalk, dB: | -82.2 | -82.2 | -98.5 | -92.3 |
