RightMark Audio Analyzer test report

Testing device iPhone 7+ELECOM_48kHz
Sampling mode 16-bit, 48 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, -0.11
Excellent
Noise level, dB (A)
-83.8
Good
Dynamic range, dB (A)
83.8
Good
THD, %
0.00235
Excellent
THD + Noise, dB (A)
-77.6
Average
IMD + Noise, %
0.019
Very good
Stereo crosstalk, dB
-70.5
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
-8.50, +0.03
-8.51, +0.03
From 40 Hz to 15 kHz, dB
-0.11, +0.03
-0.11, +0.03



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-82.6
-82.4
RMS power (A-weighted), dB
-83.9
-83.7
Peak level, dB FS
-68.9
-68.9
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+82.7
+82.5
Dynamic range (A-weighted), dB
+84.0
+83.7
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00231
0.00239
THD + Noise, %
0.01509
0.01521
THD + Noise (A-weighted), %
0.01324
0.01323



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.01850
0.01889
IMD + Noise (A-weighted), %
0.01620
0.01636



Stereo crosstalk

Spectrum graph

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



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.01780
0.01843
IMD + Noise at 10000 Hz,
0.01820
0.01845
IMD + Noise at 15000 Hz,
0.01818
0.01830