| Test | UA-5 Phone to Phone | UA-5 Pin to Pin | UA-5 Pin to Phone | UA-5 Phone to Pin |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.10, -0.43 | +0.05, -0.49 | +0.07, -0.43 | +0.05, -0.49 |
| Noise level, dB (A): | -94.3 | -94.1 | -94.3 | -94.1 |
| Dynamic range, dB (A): | 94.2 | 93.9 | 94.2 | 93.9 |
| THD, %: | 0.027 | 0.029 | 0.026 | 0.029 |
| IMD, %: | 0.011 | 0.013 | 0.011 | 0.013 |
| Stereo crosstalk, dB: | -95.3 | -93.6 | -95.9 | -93.2 |
