| Test | Clip+ Stock FW, 65 Ohm, Normalized | Clip+ Rockbox Orig, 65 Ohm, Normalized | Clip+ Rockbox HQ Patch, 65 Ohm, Normalized | Clip+ Rockbox Vol 0x1B, 65 Ohm, Normalized |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.03, -0.06 | +0.31, -0.58 | +0.07, -0.07 | +0.07, -0.07 |
| Noise level, dB (A): | -89.3 | -34.7 | -81.0 | -88.2 |
| Dynamic range, dB (A): | 89.2 | 77.9 | 80.2 | 86.6 |
| THD, %: | 0.028 | 0.034 | 0.024 | 0.031 |
| IMD + Noise, %: | 0.095 | 17.815 | 0.056 | 0.076 |
| Stereo crosstalk, dB: | -62.3 | -71.6 | -76.1 | -79.2 |
