| Test | rs-tr474 | rs-tr474B | rs-tr474C | rs-tr474CATC |
| Frequency response (from 40 Hz to 15 kHz), dB: | +1.81, -2.04 | +2.00, -3.38 | +1.59, -3.66 | +2.57, -4.86 |
| Noise level, dB (A): | -58.7 | -67.2 | -74.5 | -74.4 |
| Dynamic range, dB (A): | 58.7 | 66.7 | 73.8 | 73.3 |
| THD, %: | 0.991 | 0.968 | 0.944 | 0.899 |
| IMD + Noise, %: | 3.631 | 5.143 | 3.918 | 8.194 |
| Stereo crosstalk, dB: | -54.3 | -59.9 | -69.1 | -70.0 |
