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 -3.5 dB / -3.5 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)
-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



Frequency response

Spectrum graph

 
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



Noise level

Spectrum graph

 
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



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+82.1
+81.9
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, %
0.00162
0.00396
THD + Noise, %
1.97569
1.97574
THD + Noise (A-weighted), %
2.18549
2.18554



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
2.39971
2.40000
IMD + Noise (A-weighted), %
0.58259
0.58267



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-52
-59
Crosstalk at 1000 Hz, dB
-82
-61
Crosstalk at 10000 Hz, dB
-84
-62



IMD (swept tones)

Spectrum graph

 
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