RightMark Audio Analyzer test report

Testing device iPhone 7+Music(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 1.6 dB / 1.6 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.02, -0.06
Excellent
Noise level, dB (A)
-83.9
Good
Dynamic range, dB (A)
84.0
Good
THD, %
0.00224
Excellent
THD + Noise, dB (A)
-77.7
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
-0.18, +0.02
-0.17, +0.02
From 40 Hz to 15 kHz, dB
-0.06, +0.02
-0.06, +0.02



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-82.8
-82.6
RMS power (A-weighted), dB
-84.0
-83.9
Peak level, dB FS
-68.3
-69.1
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+82.8
+82.6
Dynamic range (A-weighted), dB
+84.1
+83.9
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00224
0.00224
THD + Noise, %
0.01479
0.01492
THD + Noise (A-weighted), %
0.01295
0.01325



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.01840
0.01840
IMD + Noise (A-weighted), %
0.01592
0.01621



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-70
-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,
0.01789
0.01789
IMD + Noise at 10000 Hz,
0.01816
0.01791
IMD + Noise at 15000 Hz,
0.01817
0.01758