RightMark Audio Analyzer test report

Testing device [MME] Speakers (USB Sound Device)
Sampling mode 16-bit, 48 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.2 dB / -0.0 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+1.10, -7.61
Poor
Noise level, dB (A)
-87.0
Good
Dynamic range, dB (A)
87.1
Good
THD, %
0.023
Good
THD + Noise, dB (A)
-70.2
Average
IMD + Noise, %
0.243
Average
Stereo crosstalk, dB
-42.3
Poor
IMD at 10 kHz, %
0.025
Good
General performance
 
Average



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-13.07, +0.92
-13.29, +1.10
From 40 Hz to 15 kHz, dB
-7.43, +0.92
-7.61, +1.10



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-85.6
-85.9
RMS power (A-weighted), dB
-86.9
-87.2
Peak level, dB FS
-71.8
-72.4
DC offset, %
+0.2
+3.6



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+85.5
+86.0
Dynamic range (A-weighted), dB
+87.0
+87.1
DC offset, %
+0.20
+3.60



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.02252
0.02291
THD + Noise, %
0.02517
0.02544
THD + Noise (A-weighted), %
0.03083
0.03127



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.23612
0.25048
IMD + Noise (A-weighted), %
0.07754
0.08155



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-3
-83
Crosstalk at 1000 Hz, dB
0
-83
Crosstalk at 10000 Hz, dB
0
-85



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.03138
0.03193
IMD + Noise at 10000 Hz,
0.02206
0.02206
IMD + Noise at 15000 Hz,
0.02022
0.01957