| Test | 10mA bias | 20mA bias | 30mA bias | Delta 44 baseline |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.02, -0.09 | +0.02, -0.09 | +0.02, -0.09 | +0.02, -0.09 |
| Noise level, dB (A): | -97.1 | -97.2 | -97.1 | -98.8 |
| Dynamic range, dB (A): | 97.1 | 97.1 | 97.1 | 98.8 |
| THD, %: | 0.0032 | 0.0030 | 0.0013 | 0.0013 |
| IMD, %: | 0.0071 | 0.0068 | 0.0061 | 0.0052 |
| Stereo crosstalk, dB: | -91.4 | -91.3 | -91.7 | -95.5 |
