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 | -3.5 dB / -3.5 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) | -43.5 |
Very poor |
Dynamic range, dB (A) | 82.0 |
Good |
THD, % | 0.00279 |
Excellent |
THD + Noise, dB (A) | -33.2 |
Very poor |
IMD + Noise, % | 2.400 |
Poor |
Stereo crosstalk, dB | -72.6 |
Good |
IMD at 10 kHz, % | 0.022 |
Good |
General performance | Average |
Left |
Right |
|
From 20 Hz to 20 kHz, dB | -4.92, +0.14 |
-4.88, +0.17 |
From 40 Hz to 15 kHz, dB | -1.23, +0.14 |
-1.20, +0.17 |
Left |
Right |
|
RMS power, dB | -39.8 |
-39.8 |
RMS power (A-weighted), dB | -43.5 |
-43.4 |
Peak level, dB FS | -6.2 |
-6.1 |
DC offset, % | +0.0 |
-0.0 |
Left |
Right |
|
Dynamic range, dB | +82.1 |
+81.9 |
Dynamic range (A-weighted), dB | +82.1 |
+81.9 |
DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
THD, % | 0.00162 |
0.00396 |
THD + Noise, % | 1.97569 |
1.97574 |
THD + Noise (A-weighted), % | 2.18549 |
2.18554 |
Left |
Right |
|
IMD + Noise, % | 2.39971 |
2.40000 |
IMD + Noise (A-weighted), % | 0.58259 |
0.58267 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -52 |
-59 |
Crosstalk at 1000 Hz, dB | -82 |
-61 |
Crosstalk at 10000 Hz, dB | -84 |
-62 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.01527 |
0.02117 |
IMD + Noise at 10000 Hz, | 0.01652 |
0.02729 |
IMD + Noise at 15000 Hz, | 0.01978 |
0.03391 |