| Test | Corda Headsix | FiiO E5 | iBasso T4 | Minibox-E+ |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.01, -0.07 | +0.03, -0.33 | +0.02, -0.06 | +0.01, -0.06 |
| Noise level, dB (A): | -97.7 | -94.8 | -92.8 | -97.4 |
| Dynamic range, dB (A): | 97.6 | 94.8 | 92.7 | 97.4 |
| THD, %: | 0.0020 | 0.0082 | 0.0012 | 0.0009 |
| IMD + Noise, %: | 0.0049 | 0.051 | 0.0068 | 0.0040 |
| Stereo crosstalk, dB: | -94.4 | -70.2 | -88.6 | -83.6 |