RightMark Audio Analyzer test report
| Testing device | iO Dock |
| Sampling mode | 16-bit, 44 kHz |
| Interface | DirectSound |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.3 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | 0.1 dB / 0.1 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.50, -0.47 |
Good |
| Noise level, dB (A) | -92.6 |
Very good |
| Dynamic range, dB (A) | 90.9 |
Very good |
| THD, % | 0.016 |
Good |
| THD + Noise, dB (A) | -37.3 |
Very poor |
| IMD + Noise, % | 0.348 |
Average |
| Stereo crosstalk, dB | -92.7 |
Excellent |
| IMD at 10 kHz, % | 0.020 |
Very good |
| General performance | Good |
Frequency response
| From 20 Hz to 20 kHz, dB | -79.26, +0.50 |
| From 40 Hz to 15 kHz, dB | -0.47, +0.50 |
Noise level
Left |
Right |
|
| RMS power, dB | -92.5 |
-92.5 |
| RMS power (A-weighted), dB | -92.7 |
-92.6 |
| Peak level, dB FS | -80.6 |
-78.3 |
| DC offset, % | -0.0 |
-0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +91.3 |
+91.3 |
| Dynamic range (A-weighted), dB | +90.9 |
+90.8 |
| DC offset, % | -0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0156 |
+0.0155 |
| THD + Noise, % | +1.1841 |
+1.1841 |
| THD + Noise (A-weighted), % | +1.3686 |
+1.3685 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.3481 |
+0.3480 |
| IMD + Noise (A-weighted), % | +0.0920 |
+0.0920 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -98 |
-98 |
| Crosstalk at 1000 Hz, dB | -91 |
-92 |
| Crosstalk at 10000 Hz, dB | -72 |
-79 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0199 |
0.0200 |
| IMD + Noise at 10000 Hz, | 0.0199 |
0.0200 |
| IMD + Noise at 15000 Hz, | 0.0199 |
0.0200 |