| Test | Zoom H4 STD AR UL -15.0dB | Zoom H4 STD AR UL -18.0dB | Zoom H4 STD AR UL -24.0dB | Zoom H4 STD AR UL -30.0dB |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.19, -0.39 | +0.19, -0.40 | +0.20, -0.41 | +0.25, -0.47 |
| Noise level, dB (A): | -87.8 | -84.6 | -80.0 | -72.6 |
| Dynamic range, dB (A): | 87.7 | 84.5 | 79.9 | 72.4 |
| THD, %: | 0.084 | 0.063 | 0.032 | 0.012 |
| IMD + Noise, %: | 0.065 | 0.053 | 0.064 | 0.120 |
| Stereo crosstalk, dB: | -86.4 | -82.0 | -78.5 | -70.7 |
