| Test | Zoom H4 USB R UL 16/44 | Zoom H4 USB R UM 16/44 | Zoom H4 USB R UH 16/44 |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.18, -0.38 | +0.17, -0.36 | +0.18, -0.37 |
| Noise level, dB (A): | -95.0 | -73.6 | -63.1 |
| Dynamic range, dB (A): | 94.7 | 73.3 | 62.8 |
| THD, %: | 0.467 | 0.161 | 0.128 |
| IMD + Noise, %: | 0.385 | 0.128 | 0.254 |
| Stereo crosstalk, dB: | -95.2 | -73.7 | -62.5 |