| Testing device | MOTU M2 new |
| Sampling mode | 24-bit, 44 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.4.5 PRO |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -5.3 dB / -5.3 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
| Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.12 |
Excellent |
| Noise level, dB (A) | -115.6 |
Excellent |
| Dynamic range, dB (A) | 115.4 |
Excellent |
| THD, % | 0.00025 |
Excellent |
| THD + Noise, dB (A) | -98.8 |
Excellent |
| IMD + Noise, % | 0.00153 |
Excellent |
| Stereo crosstalk, dB | -94.9 |
Excellent |
| IMD at 10 kHz, % | 0.00089 |
Excellent |
| General performance | Excellent |
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -0.24, +0.01 |
-0.29, +0.02 |
| From 40 Hz to 15 kHz, dB | -0.08, +0.01 |
-0.12, +0.02 |
Left |
Right |
|
| RMS power, dB | -114.4 |
-114.3 |
| RMS power (A-weighted), dB | -115.6 |
-115.5 |
| Peak level, dB FS | -87.6 |
-87.8 |
| DC offset, % | +0.0 |
-0.0 |
Left |
Right |
|
| Dynamic range, dB | +114.3 |
+114.3 |
| Dynamic range (A-weighted), dB | +115.4 |
+115.5 |
| DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
| THD, % | 0.00023 |
0.00026 |
| THD + Noise, % | 0.00106 |
0.00107 |
| THD + Noise (A-weighted), % | 0.00115 |
0.00116 |
Left |
Right |
|
| IMD + Noise, % | 0.00153 |
0.00153 |
| IMD + Noise (A-weighted), % | 0.00146 |
0.00147 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -108 |
-107 |
| Crosstalk at 1000 Hz, dB | -94 |
-94 |
| Crosstalk at 10000 Hz, dB | -74 |
-74 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.00101 |
0.00104 |
| IMD + Noise at 10000 Hz, | 0.00075 |
0.00077 |
| IMD + Noise at 15000 Hz, | 0.00085 |
0.00089 |