| Test | rs-905dbx | rs-tr474C | rs-tr474CATC |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.45, -2.05 | +1.59, -3.66 | +2.57, -4.86 |
| Noise level, dB (A): | -79.7 | -74.5 | -74.4 |
| Dynamic range, dB (A): | 79.8 | 73.8 | 73.3 |
| THD, %: | 0.266 | 0.944 | 0.899 |
| IMD + Noise, %: | 9.282 | 3.918 | 8.194 |
| Stereo crosstalk, dB: | -55.0 | -69.1 | -70.0 |