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 -3.4 dB / -3.4 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity inverted/correct



Summary

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



Frequency response

Spectrum graph

 
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



Noise level

Spectrum graph

 
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



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+82.0
+81.8
Dynamic range (A-weighted), dB
+82.1
+81.9
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00150
0.00376
THD + Noise, %
1.68446
1.68456
THD + Noise (A-weighted), %
1.86333
1.86344



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
2.08980
2.09000
IMD + Noise (A-weighted), %
0.50734
0.50740



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-54
-61
Crosstalk at 1000 Hz, dB
-82
-64
Crosstalk at 10000 Hz, dB
-84
-65



IMD (swept tones)

Spectrum graph

 
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