| Test | SampleWave_2496 | [SPDIF OUT] ASUS Xonar D2 Audio | [SPDIF OUT] SB X-Fi Audio |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.00, -0.00 | +0.00, -0.00 | +0.00, -0.00 |
| Noise level, dB (A): | -149.4 | -149.4 | -147.8 |
| Dynamic range, dB (A): | 133.2 | 133.1 | 133.1 |
| THD, %: | 0.0000 | 0.0000 | 0.0000 |
| IMD + Noise, %: | 0.0002 | 0.0002 | 0.0002 |
| Stereo crosstalk, dB: | -147.1 | -147.1 | -146.7 |
