RightMark Audio Analyzer test report
| Testing device | Metric Halo Mobile I/O 2882 with 2D |
| Sampling mode | 24-bit, 48 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.1 PRO |
| 20 Hz - 20 kHz filter | OFF |
| Normalize amplitude | OFF |
| Level change | -0.3 dB / -0.2 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 5 Hz to 50 kHz), dB | +0.03, -0.24 |
Very good |
| Noise level, dB (A) | -103.8 |
Excellent |
| Dynamic range, dB (A) | 105.2 |
Excellent |
| THD, % | 0.010 |
Good |
| THD + Noise, dB (A) | -77.3 |
Average |
| IMD + Noise, % | 0.016 |
Very good |
| Stereo crosstalk, dB | -101.3 |
Excellent |
| IMD at 10 kHz, % | 0.039 |
Good |
| General performance | Very good |
Frequency response
| From 20 Hz to 20 kHz, dB | -0.92, +0.03 |
| From 5 Hz to 50 kHz, dB | -0.24, +0.03 |
Noise level
Left |
Right |
|
| RMS power, dB | -101.1 |
-96.5 |
| RMS power (A-weighted), dB | -105.3 |
-102.3 |
| Peak level, dB FS | -88.4 |
-84.6 |
| DC offset, % | +0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +101.7 |
+101.0 |
| Dynamic range (A-weighted), dB | +105.6 |
+104.8 |
| DC offset, % | +0.00 |
+0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0100 |
+0.0105 |
| THD + Noise, % | +0.0105 |
+0.0110 |
| THD + Noise (A-weighted), % | +0.0134 |
+0.0140 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0160 |
+0.0169 |
| IMD + Noise (A-weighted), % | +0.0143 |
+0.0154 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -108 |
-106 |
| Crosstalk at 1000 Hz, dB | -103 |
-97 |
| Crosstalk at 10000 Hz, dB | -84 |
-78 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0378 |
0.0397 |
| IMD + Noise at 10000 Hz, | 0.0378 |
0.0397 |
| IMD + Noise at 15000 Hz, | 0.0378 |
0.0397 |