| Testing device | Sound Blaster X7 |
| Sampling mode | 24-bit, 44 kHz |
| Interface | MME |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.4.1 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.0 dB / -0.1 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
| Frequency response (from 40 Hz to 15 kHz), dB | -0.04, -0.18 |
Excellent |
| Noise level, dB (A) | -118.1 |
Excellent |
| Dynamic range, dB (A) | 117.9 |
Excellent |
| THD, % | 0.0018 |
Excellent |
| THD + Noise, dB (A) | -92.6 |
Very good |
| IMD + Noise, % | 0.0029 |
Excellent |
| Stereo crosstalk, dB | -116.3 |
Excellent |
| IMD at 10 kHz, % | 0.0021 |
Excellent |
| General performance | Excellent |
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -0.36, +0.05 |
-0.44, -0.04 |
| From 40 Hz to 15 kHz, dB | -0.10, +0.05 |
-0.18, -0.04 |
Left |
Right |
|
| RMS power, dB | -117.1 |
-116.6 |
| RMS power (A-weighted), dB | -117.9 |
-118.3 |
| Peak level, dB FS | -102.6 |
-100.0 |
| DC offset, % | +0.0 |
+0.0 |
Left |
Right |
|
| Dynamic range, dB | +116.9 |
+116.5 |
| Dynamic range (A-weighted), dB | +117.7 |
+118.2 |
| DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
| THD, % | +0.0018 |
+0.0017 |
| THD + Noise, % | +0.0019 |
+0.0018 |
| THD + Noise (A-weighted), % | +0.0024 |
+0.0023 |
Left |
Right |
|
| IMD + Noise, % | +0.0030 |
+0.0029 |
| IMD + Noise (A-weighted), % | +0.0016 |
+0.0015 |
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -109 |
-115 |
| Crosstalk at 1000 Hz, dB | -116 |
-115 |
| Crosstalk at 10000 Hz, dB | -86 |
-88 |
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0024 |
0.0027 |
| IMD + Noise at 10000 Hz, | 0.0018 |
0.0018 |
| IMD + Noise at 15000 Hz, | 0.0017 |
0.0020 |