RightMark Audio Analyzer test report
| Testing device | Z Watch 16bit 44kHz |
| Sampling mode | 24-bit, 48 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.3 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -7.3 dB / -7.1 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +2.94, -14.71 |
Very poor |
| Noise level, dB (A) | -85.9 |
Good |
| Dynamic range, dB (A) | 86.3 |
Good |
| THD, % | 1.649 |
Poor |
| THD + Noise, dB (A) | -33.4 |
Very poor |
| IMD + Noise, % | 3.035 |
Poor |
| Stereo crosstalk, dB | -85.8 |
Excellent |
| IMD at 10 kHz, % | 1.330 |
Poor |
| General performance | Average |
Frequency response
| From 20 Hz to 20 kHz, dB | -20.92, +2.96 |
| From 40 Hz to 15 kHz, dB | -14.71, +2.94 |
Noise level
Left |
Right |
|
| RMS power, dB | -86.2 |
-84.5 |
| RMS power (A-weighted), dB | -86.7 |
-85.0 |
| Peak level, dB FS | -67.1 |
-66.5 |
| DC offset, % | -0.0 |
-0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +86.2 |
+84.4 |
| Dynamic range (A-weighted), dB | +87.2 |
+85.4 |
| DC offset, % | +0.00 |
+0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +1.6168 |
+1.6803 |
| THD + Noise, % | +1.6169 |
+1.6804 |
| THD + Noise (A-weighted), % | +2.1070 |
+2.1898 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +3.0994 |
+2.9697 |
| IMD + Noise (A-weighted), % | +0.8070 |
+0.8003 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -87 |
-85 |
| Crosstalk at 1000 Hz, dB | -84 |
-86 |
| Crosstalk at 10000 Hz, dB | -81 |
-82 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 1.5542 |
1.6354 |
| IMD + Noise at 10000 Hz, | 1.4929 |
1.5611 |
| IMD + Noise at 15000 Hz, | 0.8459 |
0.8903 |