| Testing device | ASUS Xonar Essence STX |
| Sampling mode | 24-bit, 96 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, -0.12 |
Excellent |
| Noise level, dB (A) | -118.1 |
Excellent |
| Dynamic range, dB (A) | 117.9 |
Excellent |
| THD, % | 0.0009 |
Excellent |
| THD + Noise, dB (A) | -98.5 |
Excellent |
| IMD + Noise, % | 0.0015 |
Excellent |
| Stereo crosstalk, dB | -110.9 |
Excellent |
| IMD at 10 kHz, % | 0.0007 |
Excellent |
| General performance | Excellent |
| From 20 Hz to 20 kHz, dB | -0.22, +0.02 |
| From 40 Hz to 15 kHz, dB | -0.12, +0.02 |
Left |
Right |
|
| RMS power, dB | -116.6 |
-116.3 |
| RMS power (A-weighted), dB | -118.2 |
-118.1 |
| Peak level, dB FS | -83.0 |
-82.9 |
| DC offset, % | -0.0 |
-0.0 |
Left |
Right |
|
| Dynamic range, dB | +116.8 |
+116.5 |
| Dynamic range (A-weighted), dB | +118.1 |
+117.7 |
| DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
| THD, % | +0.0005 |
+0.0012 |
| THD + Noise, % | +0.0006 |
+0.0013 |
| THD + Noise (A-weighted), % | +0.0007 |
+0.0016 |
Left |
Right |
|
| IMD + Noise, % | +0.0011 |
+0.0018 |
| IMD + Noise (A-weighted), % | +0.0005 |
+0.0008 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -110 |
-109 |
| Crosstalk at 1000 Hz, dB | -109 |
-110 |
| Crosstalk at 10000 Hz, dB | -90 |
-90 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0005 |
0.0012 |
| IMD + Noise at 10000 Hz, | 0.0004 |
0.0009 |
| IMD + Noise at 15000 Hz, | 0.0005 |
0.0009 |