| Testing device | ASUS Xonar Essence STX |
| Sampling mode | 16-bit, 48 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.1 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | OFF |
| Level change | -0.3 dB / 0.0 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
| Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.14 |
Very good |
| Noise level, dB (A) | -97.3 |
Excellent |
| Dynamic range, dB (A) | 97.0 |
Excellent |
| THD, % | 0.0009 |
Excellent |
| THD + Noise, dB (A) | -90.4 |
Very good |
| IMD + Noise, % | 0.0042 |
Excellent |
| Stereo crosstalk, dB | -97.5 |
Excellent |
| IMD at 10 kHz, % | 0.0043 |
Excellent |
| General performance | Excellent |
| From 20 Hz to 20 kHz, dB | -0.24, +0.02 |
| From 40 Hz to 15 kHz, dB | -0.14, +0.02 |
Left |
Right |
|
| RMS power, dB | -96.4 |
-96.0 |
| RMS power (A-weighted), dB | -97.5 |
-97.0 |
| Peak level, dB FS | -82.8 |
-82.8 |
| DC offset, % | -0.0 |
-0.0 |
Left |
Right |
|
| Dynamic range, dB | +96.0 |
+95.9 |
| Dynamic range (A-weighted), dB | +97.1 |
+96.9 |
| DC offset, % | -0.00 |
-0.00 |
Left |
Right |
|
| THD, % | +0.0007 |
+0.0012 |
| THD + Noise, % | +0.0032 |
+0.0033 |
| THD + Noise (A-weighted), % | +0.0029 |
+0.0031 |
Left |
Right |
|
| IMD + Noise, % | +0.0041 |
+0.0043 |
| IMD + Noise (A-weighted), % | +0.0035 |
+0.0036 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -101 |
-100 |
| Crosstalk at 1000 Hz, dB | -96 |
-97 |
| Crosstalk at 10000 Hz, dB | -89 |
-93 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0042 |
0.0043 |
| IMD + Noise at 10000 Hz, | 0.0042 |
0.0044 |
| IMD + Noise at 15000 Hz, | 0.0042 |
0.0044 |