Measurement's report Xiaomi Redmi Note 4X Neutron (A7) 44 kHz test and graphs - Reference Audio Analyzer

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Test report Xiaomi Redmi Note 4X: Neutron (A7) 44 kHz (report for a pro)






Test report - general data of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode

Frequency response


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Frequency band, Hz:
Range, dB:
Type test:

Spectrum of Total Harmonic Distortion (THD)

Spectrum of Jitter


Spectrum of Multitone Distortion



General results
General results Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Channel
Center/Summary
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,02, 0,01
Max voltage output at 0 dBFS, VRMS
0,57
Max voltage output at 0 dBFS, dBV
-4,88
Max voltage output at 0 dBFS, dBu
-2,66
Harmonic distortion at 0,0 dBFS @ 1 kHz, dB
-98,2
Total harmonic distortion at 0,0 dBFS @ 1 kHz, %
0,001235
Harmonic distortion at -3,0 dBFS @ 1 kHz, dB
-100,9
Total harmonic distortion at -3,0 dBFS @ 1 kHz, %
0,000902

The table shows a most important technical characteristics of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz

*Center channel headphone is received by averaging between left and right channels



Test conditions



Frequency response of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Channel:
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Table of measured characteristics
Frequency response Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Channel
Left
Right
Variation in frequency response in band from 100 Hz to 10 kHz, dB
-0,02, 0,01
-0,02, 0,01

Crosstalk of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Table of measured characteristics
Crosstalk Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Crosstalk at the frequency 100 Hz, dB
-100,6
Crosstalk at the frequency 1000 Hz, dB
-101,2
Crosstalk at the frequency 10000 Hz, dB
-96,5

Crosstalk Phase of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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THD vs output voltage of line out of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Table of measured characteristics
THD vs output voltage of line out Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Max voltage output at 0 dBFS, VRMS
0,57
Max voltage output at 0 dBFS, dBV
-4,88
Max voltage output at 0 dBFS, dBu
-2,66


Total Harmonic Distortion vs Level (dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Channel:
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Impulse response of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Time, ms:
Channel:



Impulse Response Envelope (ETC - Energy Time Curve) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Range, dB:
Channel:



Step response of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Aliasing of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Checking for correctness of reproduction signals depth more than 16-bit of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Spectra of high resolution

Noise floor spectrum of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Range, dB:
Channel:
Scale:



Spectrum of Total Harmonic Distortion (THD) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


Graphics setting view
Range, dB:
Channel:
Level, dBFS:
Scale:




Table of measured characteristics
Harmonic distortion
Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Harmonic distortion at 0,0 dBFS @ 1 kHz, dB
-98,2
Total harmonic distortion at 0,0 dBFS @ 1 kHz, %
0,001235
Harmonic distortion at -3,0 dBFS @ 1 kHz, dB
-100,9
Total harmonic distortion at -3,0 dBFS @ 1 kHz, %
0,000902




Table of measured characteristics
The levels of harmonics when applying signal 1 kHz 0 dBFS
Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Harmonic, number
1
2
3
4
5
6
7
8
9
10
The level of harmonics, dB
0,0
-98,2
-126,9
-138,0
-131,6
-141,6
-140,8
-144,5
-137,6
-156,7
Harmonic, number
11
12
13
14
15
16
17
18
19
20
The level of harmonics, dB
-140,0
-145,6
-142,8
-145,3
-129,4
-143,0
-131,6
-145,3
-145,1
-145,4


The levels of harmonics when applying signal 1 kHz -3 dBFS
Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Harmonic, number
1
2
3
4
5
6
7
8
9
10
The level of harmonics, dB
-3,0
-104,0
-124,7
-140,1
-133,1
-144,6
-134,9
-146,1
-134,0
-156,5
Harmonic, number
11
12
13
14
15
16
17
18
19
20
The level of harmonics, dB
-133,5
-143,7
-131,2
-142,1
-131,6
-141,4
-127,5
-142,7
-136,7
-138,6
The data in the tables correspond to by average value of left and right channels

Spectrum of Dynamic Range (-60 dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Channel:
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Sine low ammplitude spectrum -90 dBFS of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Spectrum of Intermodulation Distortion (IMD) - SMPTE of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Spectrum of Intermodulation Distortion (IMD) - CCIF of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Channel:
Level, dBFS:



Spectrum of Multitone Distortion of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Range, dB:
Channel:
Level, dBFS:
Type test:



Spectrum of Noise Distortion of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Range, dB:
Channel:
Level, dBFS:



Spectrum of Jitter of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz (High resolution graph) as Line Out mode


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Frequency band, Hz:
Range, dB:
Channel:
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Table of measured characteristics
The accuracy of the playback speed Xiaomi Redmi Note 4X Neutron (A7) 44 kHz
Fundamental tone 11025 Hz, Hz
11025,0000
Variance from 11025 Hz, Hz
0,0000

Spectra vs Amplitude

Total Harmonic Distortion vs Level (dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Channel:
Level, dBFS:



Spectrum of IMD SMPTE vs Level (dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Frequency band, Hz:
Channel:
Level, dBFS:



Spectrum of IMD CCIF vs Level (dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Channel:
Level, dBFS:



Spectrum of Multitone Distortion vs Level (dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Channel:
Level, dBFS:
Type test:



Spectrum of Noise Distortion vs Level (dBFS) of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz as Line Out mode


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Channel:
Level, dBFS:



Close

Measurements of Xiaomi Redmi Note 4X Neutron (A7) 44 kHz were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The Xiaomi Redmi Note 4X Neutron (A7) 44 kHz test was conducted as a black box test, without regard to cost and prestige. This is the basic principle for making measurements, measurement reports and developing tests in RAA.



Kuznetsov Roman
Founder of RAA



Known by the nickname romanrex
Аuthor of articles iXBT.com




Xiaomi Redmi Note 4X is available in reports and services. You are in a professional report.

Service and suite of tests

Information for entry level users

report for a newbie
(Headphone amplifier)

General recommendations

The automatic selection of the optimal AMP models

Information for all

Soft players and USB transports

Comparison of on-line graphs






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