| Test | VX2100 After Modification | VX2100 Before Modification | Modified VX2000 | Origional VX2000 |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.05, -0.38 | +0.49, -7.64 | +0.09, -0.62 | +0.40, -5.67 |
| Noise level, dB (A): | -87.7 | -71.0 | -87.3 | -66.9 |
| Dynamic range, dB (A): | 88.0 | 70.6 | 88.4 | 66.8 |
| THD, %: | 0.023 | 0.041 | 0.060 | 0.054 |
| IMD, %: | 0.038 | 0.268 | 0.190 | 0.330 |
| Stereo crosstalk, dB: | -87.9 | -71.3 | -86.1 | -67.0 |