RightMark Audio Analyzer test report

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 -0.7 dB / -0.6 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.13, -1.15
Average
Noise level, dB (A)
-86.9
Good
Dynamic range, dB (A)
86.7
Good
THD, %
0.00324
Very good
THD + Noise, dB (A)
-71.2
Average
IMD + Noise, %
0.017
Very good
Stereo crosstalk, dB
-82.3
Very good
IMD at 10 kHz, %
0.025
Good
General performance
 
Good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-4.73, +0.13
-4.69, +0.17
From 40 Hz to 15 kHz, dB
-1.15, +0.13
-1.12, +0.17



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-86.2
-85.6
RMS power (A-weighted), dB
-87.1
-86.6
Peak level, dB FS
-72.4
-71.8
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+86.0
+85.5
Dynamic range (A-weighted), dB
+87.0
+86.5
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00130
0.00518
THD + Noise, %
0.02476
0.02535
THD + Noise (A-weighted), %
0.02730
0.02808



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.01681
0.01766
IMD + Noise (A-weighted), %
0.01186
0.01292



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-67
-67
Crosstalk at 1000 Hz, dB
-83
-79
Crosstalk at 10000 Hz, dB
-84
-84



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.01306
0.02689
IMD + Noise at 10000 Hz,
0.01482
0.03417
IMD + Noise at 15000 Hz,
0.01813
0.04430