Testing device | iPhone 7+Music(96kHz) |
Sampling mode | 24-bit, 96 kHz |
Interface | |
Testing chain | External loopback (line-out - line-in) |
RMAA Version | 6.4.5 |
20 Hz - 20 kHz filter | ON |
Normalize amplitude | ON |
Level change | 1.6 dB / 1.6 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | correct/correct |
Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.05 |
Excellent |
Noise level, dB (A) | -84.2 |
Good |
Dynamic range, dB (A) | 84.2 |
Good |
THD, % | 0.00269 |
Excellent |
THD + Noise, dB (A) | -77.8 |
Average |
IMD + Noise, % | 0.018 |
Very good |
Stereo crosstalk, dB | -70.5 |
Good |
IMD at 10 kHz, % | 0.017 |
Very good |
General performance | Very good |
Left |
Right |
|
From 20 Hz to 20 kHz, dB | -0.89, +0.02 |
-0.89, +0.02 |
From 40 Hz to 15 kHz, dB | -0.05, +0.02 |
-0.05, +0.02 |
Left |
Right |
|
RMS power, dB | -83.0 |
-82.9 |
RMS power (A-weighted), dB | -84.3 |
-84.1 |
Peak level, dB FS | -65.0 |
-64.7 |
DC offset, % | +0.0 |
+0.0 |
Left |
Right |
|
Dynamic range, dB | +83.1 |
+82.8 |
Dynamic range (A-weighted), dB | +84.2 |
+84.1 |
DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
THD, % | 0.00256 |
0.00282 |
THD + Noise, % | 0.01449 |
0.01482 |
THD + Noise (A-weighted), % | 0.01271 |
0.01319 |
Left |
Right |
|
IMD + Noise, % | 0.01758 |
0.01769 |
IMD + Noise (A-weighted), % | 0.01522 |
0.01568 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -66 |
-69 |
Crosstalk at 1000 Hz, dB | -69 |
-70 |
Crosstalk at 10000 Hz, dB | -68 |
-69 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.01713 |
0.01716 |
IMD + Noise at 10000 Hz, | 0.01741 |
0.01735 |
IMD + Noise at 15000 Hz, | 0.01772 |
0.01714 |