| Testing device | WASAPI Sound Blaster X-Fi HD |
| Sampling mode | 24-bit, 48 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.3.0 PRO |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.3 dB / -0.3 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
| Frequency response (from 40 Hz to 15 kHz), dB | +0.03, -0.08 |
Excellent |
| Noise level, dB (A) | -108.3 |
Excellent |
| Dynamic range, dB (A) | 108.2 |
Excellent |
| THD, % | 0.0031 |
Very good |
| THD + Noise, dB (A) | -87.5 |
Good |
| IMD + Noise, % | 0.0037 |
Excellent |
| Stereo crosstalk, dB | -100.6 |
Excellent |
| IMD at 10 kHz, % | 0.0057 |
Excellent |
| General performance | Excellent |
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -0.25, +0.03 |
-0.25, +0.01 |
| From 40 Hz to 15 kHz, dB | -0.08, +0.03 |
-0.09, +0.01 |
Left |
Right |
|
| RMS power, dB | -105.3 |
-108.2 |
| RMS power (A-weighted), dB | -106.7 |
-109.9 |
| Peak level, dB FS | -83.3 |
-84.3 |
| DC offset, % | -0.0 |
-0.0 |
Left |
Right |
|
| Dynamic range, dB | +105.2 |
+108.7 |
| Dynamic range (A-weighted), dB | +106.5 |
+109.8 |
| DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
| THD, % | +0.0033 |
+0.0029 |
| THD + Noise, % | +0.0035 |
+0.0031 |
| THD + Noise (A-weighted), % | +0.0045 |
+0.0040 |
Left |
Right |
|
| IMD + Noise, % | +0.0039 |
+0.0035 |
| IMD + Noise (A-weighted), % | +0.0030 |
+0.0028 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -98 |
-97 |
| Crosstalk at 1000 Hz, dB | -100 |
-99 |
| Crosstalk at 10000 Hz, dB | -85 |
-86 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0069 |
0.0068 |
| IMD + Noise at 10000 Hz, | 0.0046 |
0.0044 |
| IMD + Noise at 15000 Hz, | 0.0060 |
0.0057 |