| Test | Zoom H4 STD AR UM -15.0dB | Zoom H4 STD AR UM -18.0dB | Zoom H4 STD AR UM -24.0dB | Zoom H4 STD AR UM -30.0dB |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.20, -0.41 | +0.20, -0.41 | +0.28, -0.48 | +0.29, -0.89 |
| Noise level, dB (A): | -62.2 | -59.1 | -53.2 | -47.3 |
| Dynamic range, dB (A): | 62.2 | 59.0 | 53.0 | 47.1 |
| THD, %: | 0.085 | 0.089 | 0.095 | 0.182 |
| IMD + Noise, %: | 0.275 | 0.387 | 0.773 | 1.565 |
| Stereo crosstalk, dB: | -61.6 | -57.8 | -51.1 | -45.2 |
