| Test | SBAudigy2PlatinumEX48k | SBAudigy2PlatinumEXHP48k |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.02, -0.13 | +0.01, -0.04 |
| Noise level, dB (A): | -90.3 | -70.4 |
| Dynamic range, dB (A): | 89.6 | 70.5 |
| THD, %: | 0.0032 | 0.015 |
| IMD, %: | 0.019 | 0.108 |
| Stereo crosstalk, dB: | -88.0 | -71.2 |