| Testing device | Xperia X10 |
| Sampling mode | 16-bit, 44 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.3 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -13.0 dB / -12.8 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | inverted/inverted |
| Frequency response (from 40 Hz to 15 kHz), dB | +0.51, -0.35 |
Good |
| Noise level, dB (A) | -82.9 |
Good |
| Dynamic range, dB (A) | 82.8 |
Good |
| THD, % | 0.037 |
Good |
| THD + Noise, dB (A) | -66.0 |
Average |
| IMD + Noise, % | 0.086 |
Good |
| Stereo crosstalk, dB | -56.0 |
Average |
| IMD at 10 kHz, % | 0.123 |
Average |
| General performance | Good |
| From 20 Hz to 20 kHz, dB | -2.00, +0.51 |
| From 40 Hz to 15 kHz, dB | -0.35, +0.51 |
Left |
Right |
|
| RMS power, dB | -81.8 |
-81.7 |
| RMS power (A-weighted), dB | -83.0 |
-82.8 |
| Peak level, dB FS | -60.2 |
-60.2 |
| DC offset, % | -0.0 |
-0.0 |
Left |
Right |
|
| Dynamic range, dB | +81.8 |
+81.6 |
| Dynamic range (A-weighted), dB | +82.9 |
+82.7 |
| DC offset, % | -0.01 |
-0.01 |
Left |
Right |
|
| THD, % | +0.0386 |
+0.0353 |
| THD + Noise, % | +0.0456 |
+0.0426 |
| THD + Noise (A-weighted), % | +0.0517 |
+0.0483 |
Left |
Right |
|
| IMD + Noise, % | +0.0758 |
+0.0961 |
| IMD + Noise (A-weighted), % | +0.0502 |
+0.0477 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -63 |
-63 |
| Crosstalk at 1000 Hz, dB | -55 |
-55 |
| Crosstalk at 10000 Hz, dB | -55 |
-55 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0730 |
0.0698 |
| IMD + Noise at 10000 Hz, | 0.0820 |
0.0746 |
| IMD + Noise at 15000 Hz, | 0.2203 |
0.2165 |