| Testing device | F-51C(Android14)+UAPP_device_96kHz |
| Sampling mode | 24-bit, 96 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.4.5 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -3.6 dB / -3.7 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
| Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.04 |
Excellent |
| Noise level, dB (A) | -79.5 |
Average |
| Dynamic range, dB (A) | 79.4 |
Average |
| THD, % | 0.00415 |
Very good |
| THD + Noise, dB (A) | -72.7 |
Average |
| IMD + Noise, % | 0.032 |
Good |
| Stereo crosstalk, dB | -75.7 |
Very good |
| IMD at 10 kHz, % | 0.032 |
Good |
| General performance | Good |
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -0.17, +0.02 |
-0.18, -0.01 |
| From 40 Hz to 15 kHz, dB | -0.04, +0.02 |
-0.07, -0.01 |
Left |
Right |
|
| RMS power, dB | -78.4 |
-78.2 |
| RMS power (A-weighted), dB | -79.7 |
-79.3 |
| Peak level, dB FS | -59.8 |
-60.5 |
| DC offset, % | -0.0 |
+0.0 |
Left |
Right |
|
| Dynamic range, dB | +78.5 |
+78.0 |
| Dynamic range (A-weighted), dB | +79.6 |
+79.3 |
| DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
| THD, % | 0.00431 |
0.00398 |
| THD + Noise, % | 0.02615 |
0.02742 |
| THD + Noise (A-weighted), % | 0.02287 |
0.02353 |
Left |
Right |
|
| IMD + Noise, % | 0.03235 |
0.03234 |
| IMD + Noise (A-weighted), % | 0.02803 |
0.02859 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -64 |
-72 |
| Crosstalk at 1000 Hz, dB | -74 |
-75 |
| Crosstalk at 10000 Hz, dB | -76 |
-76 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.03170 |
0.03161 |
| IMD + Noise at 10000 Hz, | 0.03209 |
0.03282 |
| IMD + Noise at 15000 Hz, | 0.03150 |
0.03158 |