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
| From 20 Hz to 20 kHz, dB | -3.32, +0.08 |
| From 40 Hz to 15 kHz, dB | -1.08, +0.08 |
Noise level
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
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)
Left |
Right |
|
| THD, % | +0.0684 |
+0.0715 |
| THD + Noise, % | +0.0715 |
+0.0745 |
| THD + Noise (A-weighted), % | +0.0890 |
+0.0932 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0850 |
+0.0905 |
| IMD + Noise (A-weighted), % | +0.0608 |
+0.0646 |
Stereo crosstalk
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)
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 |