Testing device | SMSL M9 1Vrms |
Sampling mode | 24-bit, 44 kHz |
Interface | ASIO |
Testing chain | External loopback (line-out - line-in) |
RMAA Version | 6.4.1 PRO |
20 Hz - 20 kHz filter | ON |
Normalize amplitude | ON |
Level change | 0.3 dB / 0.4 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | inverted/inverted |
Frequency response (from 40 Hz to 15 kHz), dB | +0.07, -0.18 |
Very good |
Noise level, dB (A) | -109.8 |
Excellent |
Dynamic range, dB (A) | 110.0 |
Excellent |
THD, % | 0.0015 |
Excellent |
THD + Noise, dB (A) | -93.3 |
Very good |
IMD + Noise, % | 0.0018 |
Excellent |
Stereo crosstalk, dB | -100.3 |
Excellent |
IMD at 10 kHz, % | 0.0019 |
Excellent |
General performance | Excellent |
Left |
Right |
|
From 20 Hz to 20 kHz, dB | -0.43, +0.02 |
-0.40, +0.07 |
From 40 Hz to 15 kHz, dB | -0.21, +0.02 |
-0.18, +0.07 |
Left |
Right |
|
RMS power, dB | -108.9 |
-108.4 |
RMS power (A-weighted), dB | -110.1 |
-109.6 |
Peak level, dB FS | -86.0 |
-85.7 |
DC offset, % | +0.0 |
+0.0 |
Left |
Right |
|
Dynamic range, dB | +109.1 |
+108.7 |
Dynamic range (A-weighted), dB | +110.2 |
+109.8 |
DC offset, % | -0.00 |
-0.00 |
Left |
Right |
|
THD, % | +0.0017 |
+0.0014 |
THD + Noise, % | +0.0018 |
+0.0017 |
THD + Noise (A-weighted), % | +0.0023 |
+0.0020 |
Left |
Right |
|
IMD + Noise, % | +0.0019 |
+0.0016 |
IMD + Noise (A-weighted), % | +0.0013 |
+0.0013 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -97 |
-97 |
Crosstalk at 1000 Hz, dB | -99 |
-100 |
Crosstalk at 10000 Hz, dB | -99 |
-99 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.0025 |
0.0022 |
IMD + Noise at 10000 Hz, | 0.0017 |
0.0016 |
IMD + Noise at 15000 Hz, | 0.0018 |
0.0015 |