RightMark Audio Analyzer test report
| Testing device | SB X-Fi Surround 5.1 |
| Sampling mode | 24-bit, 44 kHz |
| Interface | DirectSound |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.1.2 PRO |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.5 dB / -0.4 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | inverted/inverted |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.10, -0.08 |
Very good |
| Noise level, dB (A) | -96.1 |
Excellent |
| Dynamic range, dB (A) | 95.9 |
Excellent |
| THD, % | 0.0046 |
Very good |
| THD + Noise, dB (A) | -82.7 |
Good |
| IMD + Noise, % | 0.0077 |
Excellent |
| Stereo crosstalk, dB | -96.1 |
Excellent |
| IMD at 10 kHz, % | 0.0075 |
Excellent |
| General performance | Excellent |
Frequency response
| From 20 Hz to 20 kHz, dB | -4.25, +0.10 |
| From 40 Hz to 15 kHz, dB | -0.08, +0.10 |
Noise level
Left |
Right |
|
| RMS power, dB | -94.4 |
-94.4 |
| RMS power (A-weighted), dB | -96.0 |
-96.1 |
| Peak level, dB FS | -78.0 |
-76.9 |
| DC offset, % | +0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +94.6 |
+94.6 |
| Dynamic range (A-weighted), dB | +95.9 |
+95.9 |
| DC offset, % | +0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0047 |
+0.0045 |
| THD + Noise, % | +0.0074 |
+0.0072 |
| THD + Noise (A-weighted), % | +0.0074 |
+0.0072 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0078 |
+0.0076 |
| IMD + Noise (A-weighted), % | +0.0069 |
+0.0069 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -92 |
-92 |
| Crosstalk at 1000 Hz, dB | -96 |
-95 |
| Crosstalk at 10000 Hz, dB | -91 |
-90 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0080 |
0.0076 |
| IMD + Noise at 10000 Hz, | 0.0070 |
0.0068 |
| IMD + Noise at 15000 Hz, | 0.0079 |
0.0078 |