RightMark Audio Analyzer test report

Testing device iPhone 4
Sampling mode 16-bit, 44 kHz
Interface  
Testing chain Triple Fi 10
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -1.6 dB / -1.7 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.26, -0.80
Average
Noise level, dB (A)
-89.1
Good
Dynamic range, dB (A)
89.1
Good
THD, %
0.0069
Very good
THD + Noise, dB (A)
-78.6
Average
IMD + Noise, %
0.031
Good
Stereo crosstalk, dB
-87.2
Excellent
IMD at 10 kHz, %
0.015
Very good
General performance
 
Good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-0.80, +0.26
From 40 Hz to 15 kHz, dB
-0.80, +0.26



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-86.8
-86.8
RMS power (A-weighted), dB
-89.1
-89.2
Peak level, dB FS
-73.1
-73.2
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+86.7
+86.8
Dynamic range (A-weighted), dB
+89.0
+89.2
DC offset, %
-0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0068
+0.0071
THD + Noise, %
+0.0117
+0.0119
THD + Noise (A-weighted), %
+0.0116
+0.0119



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0247
+0.0364
IMD + Noise (A-weighted), %
+0.0212
+0.0319



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-85
-86
Crosstalk at 1000 Hz, dB
-86
-86
Crosstalk at 10000 Hz, dB
-58
-58



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0151
0.0158
IMD + Noise at 10000 Hz,
0.0151
0.0158
IMD + Noise at 15000 Hz,
0.0151
0.0158