RightMark Audio Analyzer test report

Testing device スピーカー (USB2.0 High-Speed T
Sampling mode 24-bit, 192 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -7.5 dB / -7.6 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.08, -1.08
Average
Noise level, dB (A)
-77.5
Average
Dynamic range, dB (A)
77.5
Average
THD, %
0.070
Average
THD + Noise, dB (A)
-60.8
Poor
IMD + Noise, %
0.088
Good
Stereo crosstalk, dB
-74.4
Good
IMD at 10 kHz, %
0.096
Good
General performance
 
Average



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-3.32, +0.08
From 40 Hz to 15 kHz, dB
-1.08, +0.08



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-76.3
-75.6
RMS power (A-weighted), dB
-77.4
-77.5
Peak level, dB FS
-49.5
-49.3
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+76.3
+75.5
Dynamic range (A-weighted), dB
+77.4
+77.5
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0684
+0.0715
THD + Noise, %
+0.0715
+0.0745
THD + Noise (A-weighted), %
+0.0890
+0.0932



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0850
+0.0905
IMD + Noise (A-weighted), %
+0.0608
+0.0646



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-65
-62
Crosstalk at 1000 Hz, dB
-72
-74
Crosstalk at 10000 Hz, dB
-74
-75



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.1106
0.1176
IMD + Noise at 10000 Hz,
0.0841
0.0893
IMD + Noise at 15000 Hz,
0.0851
0.0920