Testing device | Shanling UP4 |
Sampling mode | 16-bit, 44 kHz |
Interface | |
Testing chain | External loopback (line-out - line-in) |
RMAA Version | 6.4.5 PRO |
20 Hz - 20 kHz filter | ON |
Normalize amplitude | ON |
Level change | -3.4 dB / -3.4 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | inverted/correct |
Frequency response (from 40 Hz to 15 kHz), dB | +0.14, -1.23 |
Average |
Noise level, dB (A) | -44.1 |
Very poor |
Dynamic range, dB (A) | 82.0 |
Good |
THD, % | 0.00263 |
Excellent |
THD + Noise, dB (A) | -34.6 |
Very poor |
IMD + Noise, % | 2.090 |
Poor |
Stereo crosstalk, dB | -74.0 |
Good |
IMD at 10 kHz, % | 0.023 |
Good |
General performance | Average |
Left |
Right |
|
From 20 Hz to 20 kHz, dB | -4.91, +0.14 |
-4.86, +0.18 |
From 40 Hz to 15 kHz, dB | -1.23, +0.14 |
-1.20, +0.18 |
Left |
Right |
|
RMS power, dB | -40.4 |
-40.4 |
RMS power (A-weighted), dB | -44.1 |
-44.1 |
Peak level, dB FS | -5.8 |
-5.6 |
DC offset, % | -0.0 |
-0.0 |
Left |
Right |
|
Dynamic range, dB | +82.0 |
+81.8 |
Dynamic range (A-weighted), dB | +82.1 |
+81.9 |
DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
THD, % | 0.00150 |
0.00376 |
THD + Noise, % | 1.68446 |
1.68456 |
THD + Noise (A-weighted), % | 1.86333 |
1.86344 |
Left |
Right |
|
IMD + Noise, % | 2.08980 |
2.09000 |
IMD + Noise (A-weighted), % | 0.50734 |
0.50740 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -54 |
-61 |
Crosstalk at 1000 Hz, dB | -82 |
-64 |
Crosstalk at 10000 Hz, dB | -84 |
-65 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.01579 |
0.02115 |
IMD + Noise at 10000 Hz, | 0.01713 |
0.02762 |
IMD + Noise at 15000 Hz, | 0.02147 |
0.03561 |