| Test | MontBlancE12_33ohm | E17_33ohm |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.23, -0.54 | +0.02, -0.15 |
| Noise level, dB (A): | -106.3 | -111.8 |
| Dynamic range, dB (A): | 106.1 | 112.0 |
| THD, %: | 0.0013 | 0.0013 |
| IMD + Noise, %: | 0.0018 | 0.0026 |
| Stereo crosstalk, dB: | -90.3 | -88.7 |