| Testing device | M-Audio 2x2 | 
| Sampling mode | 24-bit, 44 kHz | 
| Interface | |
| Testing chain | External loopback (line-out - line-in) | 
| RMAA Version | 6.4.0 PRO | 
| 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 | inverted/inverted | 
| Frequency response (from 40 Hz to 15 kHz), dB | -0.04, -0.13 | Excellent | 
| Noise level, dB (A) | -104.5 | Excellent | 
| Dynamic range, dB (A) | 104.6 | Excellent | 
| THD, % | 0.0059 | Very good | 
| THD + Noise, dB (A) | -81.9 | Good | 
| IMD + Noise, % | 0.0056 | Excellent | 
| Stereo crosstalk, dB | -94.1 | Excellent | 
| IMD at 10 kHz, % | 0.0054 | Excellent | 
| General performance | Excellent | 
 
| Left | Right | |
| From 20 Hz to 20 kHz, dB | -0.15, +0.01 | -0.20, -0.04 | 
| From 40 Hz to 15 kHz, dB | -0.07, +0.01 | -0.13, -0.04 | 
 
| Left | Right | |
| RMS power, dB | -103.1 | -103.1 | 
| RMS power (A-weighted), dB | -104.5 | -104.5 | 
| Peak level, dB FS | -86.8 | -87.4 | 
| DC offset, % | -0.0 | -0.0 | 
 
| Left | Right | |
| Dynamic range, dB | +103.2 | +103.4 | 
| Dynamic range (A-weighted), dB | +104.5 | +104.6 | 
| DC offset, % | -0.00 | -0.00 | 
 
| Left | Right | |
| THD, % | +0.0060 | +0.0059 | 
| THD + Noise, % | +0.0061 | +0.0061 | 
| THD + Noise (A-weighted), % | +0.0081 | +0.0081 | 
 
| Left | Right | |
| IMD + Noise, % | +0.0057 | +0.0056 | 
| IMD + Noise (A-weighted), % | +0.0043 | +0.0043 | 
 
| Left | Right | |
| Crosstalk at 100 Hz, dB | -88 | -88 | 
| Crosstalk at 1000 Hz, dB | -92 | -94 | 
| Crosstalk at 10000 Hz, dB | -87 | -86 | 
 
| Left | Right | |
| IMD + Noise at 5000 Hz, | 0.0069 | 0.0068 | 
| IMD + Noise at 10000 Hz, | 0.0048 | 0.0047 | 
| IMD + Noise at 15000 Hz, | 0.0048 | 0.0047 |