Testing device | SMSL M9 2Vrms |
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 | 1.8 dB / 1.8 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | inverted/inverted |
Frequency response (from 40 Hz to 15 kHz), dB | +0.08, -0.17 |
Very good |
Noise level, dB (A) | -113.7 |
Excellent |
Dynamic range, dB (A) | 113.6 |
Excellent |
THD, % | 0.0024 |
Excellent |
THD + Noise, dB (A) | -89.9 |
Good |
IMD + Noise, % | 0.0024 |
Excellent |
Stereo crosstalk, dB | -99.6 |
Excellent |
IMD at 10 kHz, % | 0.0024 |
Excellent |
General performance | Excellent |
Left |
Right |
|
From 20 Hz to 20 kHz, dB | -0.43, +0.02 |
-0.39, +0.08 |
From 40 Hz to 15 kHz, dB | -0.22, +0.02 |
-0.17, +0.08 |
Left |
Right |
|
RMS power, dB | -112.6 |
-112.7 |
RMS power (A-weighted), dB | -113.6 |
-113.9 |
Peak level, dB FS | -87.0 |
-86.8 |
DC offset, % | +0.0 |
+0.0 |
Left |
Right |
|
Dynamic range, dB | +112.6 |
+112.7 |
Dynamic range (A-weighted), dB | +113.5 |
+113.8 |
DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
THD, % | +0.0025 |
+0.0023 |
THD + Noise, % | +0.0025 |
+0.0024 |
THD + Noise (A-weighted), % | +0.0033 |
+0.0031 |
Left |
Right |
|
IMD + Noise, % | +0.0025 |
+0.0022 |
IMD + Noise (A-weighted), % | +0.0015 |
+0.0015 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -98 |
-99 |
Crosstalk at 1000 Hz, dB | -99 |
-99 |
Crosstalk at 10000 Hz, dB | -99 |
-99 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.0031 |
0.0030 |
IMD + Noise at 10000 Hz, | 0.0020 |
0.0020 |
IMD + Noise at 15000 Hz, | 0.0021 |
0.0020 |