RightMark Audio Analyzer test report

Testing device [ASIO] Donner USB Audio Device
Sampling mode 24-bit, 44 kHz
Interface ASIO
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 -2.1 dB / -1.8 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.04, -0.34
Very good
Noise level, dB (A)
-107.8
Excellent
Dynamic range, dB (A)
107.8
Excellent
THD, %
0.00083
Excellent
THD + Noise, dB (A)
-93.0
Very good
IMD + Noise, %
0.035
Good
Stereo crosstalk, dB
-94.6
Excellent
IMD at 10 kHz, %
0.00253
Excellent
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.76, +0.04
-0.49, +0.30
From 40 Hz to 15 kHz, dB
-0.34, +0.04
-0.07, +0.30



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-105.8
-106.6
RMS power (A-weighted), dB
-107.9
-107.7
Peak level, dB FS
-80.9
-93.5
DC offset, %
+0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+106.8
+106.5
Dynamic range (A-weighted), dB
+107.9
+107.6
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00081
0.00084
THD + Noise, %
0.00238
0.00240
THD + Noise (A-weighted), %
0.00221
0.00225



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.03552
0.03415
IMD + Noise (A-weighted), %
0.01114
0.01100



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-97
-96
Crosstalk at 1000 Hz, dB
-94
-94
Crosstalk at 10000 Hz, dB
-77
-78



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.00267
0.00265
IMD + Noise at 10000 Hz,
0.00249
0.00247
IMD + Noise at 15000 Hz,
0.00248
0.00243