| Test | SBAudigy2NX_44k | SBAudigy2NX_LineIn_44k |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.08, -0.29 | +0.02, -0.16 |
| Noise level, dB (A): | -91.2 | -97.0 |
| Dynamic range, dB (A): | 89.6 | 92.8 |
| THD, %: | 0.0072 | 0.0043 |
| IMD, %: | 0.092 | 0.014 |
| Stereo crosstalk, dB: | -91.0 | -86.1 |