| Test | 3V (Alkaline) | 2.4V (Ni-MH) | 5.5V (DC-DC) |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.02, -0.12 | +0.02, -0.12 | +0.02, -0.12 |
| Noise level, dB (A): | -102.4 | -102.4 | -102.4 |
| Dynamic range, dB (A): | 102.3 | 102.1 | 102.1 |
| THD, %: | 0.0004 | 0.0012 | 0.0005 |
| IMD, %: | 0.0031 | 0.0033 | 0.0031 |
| Stereo crosstalk, dB: | -100.9 | -102.1 | -100.5 |