| Test | Zoom H4 STD AR UM -03.0dB | Zoom H4 STD AR UM -06.0dB | Zoom H4 STD AR UM -09.0dB | Zoom H4 STD AR UM -12.0dB |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.17, -0.35 | +0.17, -0.36 | +0.20, -0.38 | +0.19, -0.40 |
| Noise level, dB (A): | -74.2 | -71.1 | -68.3 | -65.1 |
| Dynamic range, dB (A): | 74.2 | 71.0 | 68.1 | 65.0 |
| THD, %: | 0.128 | 0.109 | 0.096 | 0.092 |
| IMD + Noise, %: | 0.103 | 0.117 | 0.146 | 0.198 |
| Stereo crosstalk, dB: | -72.1 | -70.7 | -67.1 | -64.9 |
