RightMark Audio Analyzer test report

Testing device iPhone 7+Fiio_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 1.5 dB / 1.5 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.03, -0.10
Excellent
Noise level, dB (A)
-84.1
Good
Dynamic range, dB (A)
84.1
Good
THD, %
0.00262
Excellent
THD + Noise, dB (A)
-77.8
Average
IMD + Noise, %
0.018
Very good
Stereo crosstalk, dB
-70.6
Good
IMD at 10 kHz, %
0.018
Very good
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-7.93, +0.03
-7.93, +0.03
From 40 Hz to 15 kHz, dB
-0.10, +0.03
-0.10, +0.03



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-82.7
-82.7
RMS power (A-weighted), dB
-84.1
-84.0
Peak level, dB FS
-64.1
-64.4
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+82.7
+82.9
Dynamic range (A-weighted), dB
+84.1
+84.1
DC offset, %
-0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00269
0.00255
THD + Noise, %
0.01461
0.01470
THD + Noise (A-weighted), %
0.01267
0.01300



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.01740
0.01807
IMD + Noise (A-weighted), %
0.01536
0.01573



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-67
-69
Crosstalk at 1000 Hz, dB
-70
-69
Crosstalk at 10000 Hz, dB
-68
-69



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.01728
0.01762
IMD + Noise at 10000 Hz,
0.01753
0.01826
IMD + Noise at 15000 Hz,
0.01757
0.01786