| Test | MOTU 828 mkII 16-bit/44.1 kHz | MOTU 828 mkII 24-bit/96 kHz |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.03, -0.01 | +0.03, -0.01 |
| Noise level, dB (A): | -94.5 | -101.9 |
| Dynamic range, dB (A): | 94.5 | 95.2 |
| THD, %: | 0.0006 | 0.0032 |
| IMD, %: | 0.0055 | 0.0061 |
| Stereo crosstalk, dB: | -96.3 | -100.6 |