RightMark Audio Analyzer test report

Testing device MOTU M4
Sampling mode 24-bit, 44 kHz
Interface ASIO
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.5 PRO
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -3.1 dB / -3.1 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.02, -0.17
Very good
Noise level, dB (A)
-114.2
Excellent
Dynamic range, dB (A)
114.1
Excellent
THD, %
0.00016
Excellent
THD + Noise, dB (A)
-100.2
Excellent
IMD + Noise, %
0.00157
Excellent
Stereo crosstalk, dB
-115.0
Excellent
IMD at 10 kHz, %
0.00074
Excellent
General performance
 
Excellent



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.66, +0.02
-0.66, +0.02
From 40 Hz to 15 kHz, dB
-0.17, +0.02
-0.16, +0.02



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-113.0
-113.3
RMS power (A-weighted), dB
-114.0
-114.3
Peak level, dB FS
-91.2
-92.4
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+113.0
+113.4
Dynamic range (A-weighted), dB
+114.0
+114.3
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00016
0.00017
THD + Noise, %
0.00094
0.00093
THD + Noise (A-weighted), %
0.00097
0.00097



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.00157
0.00156
IMD + Noise (A-weighted), %
0.00150
0.00150



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-114
-114
Crosstalk at 1000 Hz, dB
-114
-114
Crosstalk at 10000 Hz, dB
-106
-107



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.00075
0.00073
IMD + Noise at 10000 Hz,
0.00074
0.00071
IMD + Noise at 15000 Hz,
0.00077
0.00074