RightMark Audio Analyzer test report

Testing device iPhone 7+foobar2000_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, %
0.00272
Excellent
THD + Noise, dB (A)
-77.7
Average
IMD + Noise, %
0.018
Very good
Stereo crosstalk, dB
-71.0
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
-7.92, +0.03
-7.92, +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
-82.9
-82.9
RMS power (A-weighted), dB
-84.2
-84.0
Peak level, dB FS
-65.1
-64.1
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+83.0
+82.7
Dynamic range (A-weighted), dB
+84.2
+84.0
DC offset, %
-0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00263
0.00280
THD + Noise, %
0.01466
0.01475
THD + Noise (A-weighted), %
0.01291
0.01312



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.01817
0.01840
IMD + Noise (A-weighted), %
0.01552
0.01591



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-66
-69
Crosstalk at 1000 Hz, dB
-70
-70
Crosstalk at 10000 Hz, dB
-69
-69



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.01766
0.01741
IMD + Noise at 10000 Hz,
0.01803
0.01774
IMD + Noise at 15000 Hz,
0.01794
0.01817