Measurement's report xDuoo X20 Balance test and graphs - Reference Audio Analyzer
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xDuoo X20 is available in reports and services. You are in a professional report.



Information for entry level users

reports for a newbie (Headphone amplifier)
Information for all

Versus of characteristics
Information for professionals

reports for a pro (Headphone amplifier)
(DAC Line Out)
Comparison of on-line graphs

Quick jump to the schedule in this report: Balance



xDuoo X20 is available in reports and services. You are in a professional report.



Information for entry level users

reports for a newbie (Headphone amplifier)
Information for all

Versus of characteristics
Information for professionals

reports for a pro (Headphone amplifier)
(DAC Line Out)
Comparison of on-line graphs


Quick jump to the schedule in this report: Balance

Reports / xDuoo / X20 / Balance / Amplifier path / report for a pro

Test report xDuoo X20: Balance (report for a pro)






Test report - general data of xDuoo X20 Balance as AMP mode

Frequency response, Impedance and Frequency response with standard headphones


Graphics setting view
Range, dB:

The maximum level of voltage from the musical power


General results
General results
xDuoo X20 Balance
Channel
Center/Summary
Average variation in FR in the band 40 Hz to 15 kHz, dB
-0,06, 0,03
Average value of impedance band in 40 Hz to 15 kHz, ohm
1,0
Max voltage output
VRMS
dBV
Pure or equal class A
3,27
10,30
Optimal or equal class AB
3,27
10,30
Hard or equal class B
3,27
10,30
Max, before clipping
3,27
10,30
Maximum current output at loaded
ohm
mA
Pure or equal class A
24,5
90,21
Optimal or equal class AB
15,8
97,02
Hard or equal class B
24,5
101,22
Max, before clipping
24,5
101,22
Max power output
ohm
mW
dBm
Pure or equal class A
30,5
206,14
23,14
Optimal or equal class AB
30,5
259,54
24,14
Hard or equal class B
30,5
259,54
24,14
Max, before clipping
30,5
259,54
24,14

The table shows a most important technical characteristics of xDuoo X20 Balance

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



Test conditions



Detailed measurements report of technical characteristics


Report content

    Spectra vs Amplitude






    Frequency response of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Range, dB:
    Channel:




    Table of measured characteristics
    Frequency response xDuoo X20 Balance
    Channel
    Left
    Right
    Variation in frequency response in band from 100 Hz to 10 kHz, dB
    -0,06, 0,03
    -0,06, 0,03

    Impedance of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Channel:




    Table of measured characteristics
    Impedance xDuoo X20 Balance
    Channel
    Left
    Right
    Impedance average in band from 40 Hz to 15 kHz, ohm
    1,0
    1,1
    Resistance at 500 Hz, ohm
    1,0
    1,1
    Resistance at 1000 Hz, ohm
    1,0
    1,1
    The minimum value in band from 40 Hz to 15 kHz at frequency, Hz
    5940,0
    5940,0
    The minimum value in band from 40 Hz to 15 kHz, ohm
    1,0
    1,1
    The maximum value in band from 40 Hz to 15 kHz at frequency, Hz
    7910,5
    7910,5
    The maximum value in band from 40 Hz to 15 kHz, ohm
    1,0
    1,1

    Crosstalk of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Range, dB:
    Channel:
    Load, ohm:




    Table of measured characteristics

    Crosstalk Phase of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Channel:
    Load, ohm:



    Frequency response of xDuoo X20 Balance with loaded resistors as AMP mode


    Graphics setting view
    Range, dB:
    Channel:




    Table of measured characteristics
    Frequency response of amplifier headphone amplifier xDuoo X20 Balance
    with resistive load
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz loaded 16 ohm, dB
    0,01
    Variation in frequency response in band 40 Hz to 15 kHz loaded 32 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 50 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 100 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 250 ohm, dB
    0,00
    Variation in frequency response in band 40 Hz to 15 kHz loaded 600 ohm, dB
    0,00

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


    Frequency response of xDuoo X20 Balance loaded dynamic headphone type as AMP mode


    Graphics setting view
    Range, dB:
    Channel:




    Table of measured characteristics
    Frequency response of the headphone amplifier xDuoo X20 Balance
    loaded dynamic headphone type
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz load the dynamic type, dB
    0,18

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


    Deviation of frequency response of xDuoo X20 Balance loaded dynamic headphone type as AMP mode


    Graphics setting view
    Range, dB:
    Channel:




    Table of measured characteristics
    Frequency response of amplifier xDuoo X20 Balance
    loaded dynamic headphone type
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz load the dynamic type, dB
    0,11

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


    Frequency response of xDuoo X20 Balance loaded type balance armature headphone type (one driver) as AMP mode


    Graphics setting view
    Range, dB:
    Channel:




    Table of measured characteristics
    Frequency response of amplifier xDuoo X20 Balance
    loaded type balanced armature
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz loaded type balanced armature, dB
    0,45

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


    Deviation of frequency response of xDuoo X20 Balance loaded type balance armature headphone type (one driver) as AMP mode


    Graphics setting view
    Range, dB:
    Channel:




    Table of measured characteristics
    Frequency response of amplifier xDuoo X20 Balance
    loaded type balanced armature
    Channel
    Center/Summary
    Variation in frequency response in band 40 Hz to 15 kHz loaded type balanced armature, dB
    0,48

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


    

    Maximum voltage output level vs load of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Channel:




    Table of measured characteristics
    Maximum voltage output level vs load xDuoo X20 Balance (the source data for the spectra)
    Limit
    Pure or equal class A
    Optimal or equal class AB
    Hard or equal class B
    Max, before clipping
    Level
    VRMS
    dBV
    VRMS
    dBV
    VRMS
    dBV
    VRMS
    dBV
    loaded 16 ohm
    1,09
    0,71
    1,53
    3,71
    1,53
    3,71
    1,53
    3,71
    loaded 25 ohm
    2,21
    6,89
    2,21
    6,89
    2,48
    7,89
    2,48
    7,89
    loaded 31 ohm
    2,51
    7,98
    2,81
    8,99
    2,81
    8,99
    2,81
    8,99
    loaded 62 ohm
    3,22
    10,15
    3,22
    10,15
    3,22
    10,15
    3,22
    10,15
    loaded 100 ohm
    3,24
    10,21
    3,24
    10,21
    3,24
    10,21
    3,24
    10,21
    loaded 199 ohm
    3,26
    10,25
    3,26
    10,25
    3,26
    10,25
    3,26
    10,25
    loaded 300 ohm
    3,26
    10,27
    3,26
    10,27
    3,26
    10,27
    3,26
    10,27
    loaded 763 ohm
    3,26
    10,25
    3,26
    10,25
    3,26
    10,25
    3,26
    10,25
    Not loaded
    3,27
    10,30
    3,27
    10,30
    3,27
    10,30
    3,27
    10,30



    

    The maximum level of voltage from the musical power of xDuoo X20 Balance as AMP mode




    Brief information


    Table of measured characteristics
    Recommended impedances for headphones for xDuoo X20 Balance
    Recommended impedance for headphones from the range
    8 - 1008 Ом для режима работы усилителя
    Equivalent class A
    Max, before clipping
    For In-Ear Headphones
    8 - 1007 ohm
    8 - 1007 ohm
    For Over-Ear Headphones
    8 - 215 ohm
    8 - 215 ohm


    Table of measured characteristics
    xDuoo X20 Balance
    Output Impedance
    1.04 ohm
    Power characteristics of the
    Voltage
    Current
    Equivalent class A
    3.27 VRMS
    10.30 dBV
    79.81 mA
    38.04 dB(mA)
    Equivalent class AB
    3.27 VRMS
    10.30 dBV
    97.02 mA
    39.74 dB(mA)
    Equivalent class B
    3.27 VRMS
    10.30 dBV
    97.02 mA
    39.74 dB(mA)
    Maximum mode
    3.27 VRMS
    10.30 dBV
    97.02 mA
    39.74 dB(mA)

    Maximum current level output vs load of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Channel:




    Table of measured characteristics
    Maximum current level output vs load xDuoo X20 Balance (the source data for the spectra)
    Level, mA
    Pure or equal class A
    Optimal or equal class AB
    Hard or equal class B
    Max, before clipping
    Level
    mA
    dB(mA)
    mA
    dB(mA)
    mA
    dB(mA)
    mA
    dB(mA)
    loaded 16 ohm
    68,69
    36,74
    97,02
    39,74
    97,02
    39,74
    97,02
    39,74
    loaded 25 ohm
    90,21
    39,10
    90,21
    39,10
    101,22
    40,11
    101,22
    40,11
    loaded 31 ohm
    82,21
    38,30
    92,25
    39,30
    92,25
    39,30
    92,25
    39,30
    loaded 62 ohm
    51,54
    34,24
    51,54
    34,24
    51,54
    34,24
    51,54
    34,24
    loaded 100 ohm
    32,40
    30,21
    32,40
    30,21
    32,40
    30,21
    32,40
    30,21
    loaded 199 ohm
    16,37
    24,28
    16,37
    24,28
    16,37
    24,28
    16,37
    24,28
    loaded 300 ohm
    10,88
    20,73
    10,88
    20,73
    10,88
    20,73
    10,88
    20,73
    loaded 763 ohm
    4,27
    12,60
    4,27
    12,60
    4,27
    12,60
    4,27
    12,60
    Not loaded
    0,07
    -23,68
    0,07
    -23,68
    0,07
    -23,68
    0,07
    -23,68



    Maximum power level output level vs load of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Channel:




    Table of measured characteristics
    Maximum power level output level vs load xDuoo X20 Balance (the source data for the spectra)
    Limit
    Pure or equal class A
    Optimal or equal class AB
    Hard or equal class B
    Max, before clipping
    Level
    mW
    dBm
    mW
    dBm
    mW
    dBm
    mW
    dBm
    loaded 16 ohm
    74,55
    18,72
    148,74
    21,72
    148,74
    21,72
    148,74
    21,72
    loaded 25 ohm
    199,36
    23,00
    199,36
    23,00
    251,02
    24,00
    251,02
    24,00
    loaded 31 ohm
    206,14
    23,14
    259,54
    24,14
    259,54
    24,14
    259,54
    24,14
    loaded 62 ohm
    165,77
    22,20
    165,77
    22,20
    165,77
    22,20
    165,77
    22,20
    loaded 100 ohm
    104,98
    20,21
    104,98
    20,21
    104,98
    20,21
    104,98
    20,21
    loaded 199 ohm
    53,30
    17,27
    53,30
    17,27
    53,30
    17,27
    53,30
    17,27
    loaded 300 ohm
    35,50
    15,50
    35,50
    15,50
    35,50
    15,50
    35,50
    15,50
    loaded 763 ohm
    13,89
    11,43
    13,89
    11,43
    13,89
    11,43
    13,89
    11,43
    Not loaded
    0,21
    -6,69
    0,21
    -6,69
    0,21
    -6,69
    0,21
    -6,69



    

    THD vs load vs output voltage of xDuoo X20 Balance as AMP mode


    Graphics setting view
    Channel:
    Load, ohm:
    Type test:




    Table of measured characteristics

    Spectrum of Total Harmonic Distortion vs Level of xDuoo X20 Balance as AMP mode

    Not loaded


    Graphics setting view
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:



    Spectrum of IMD SMPTE vs Level of xDuoo X20 Balance as AMP mode

    Not loaded


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Frequency band, Hz:
    Channel:
    Level, dBV/dBm:



    Spectrum of IMD CCIF vs Level of xDuoo X20 Balance as AMP mode

    Not loaded


    Graphics setting view
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:



    Spectrum of Multitone Distortion vs Level vs Load of xDuoo X20 Balance as AMP mode

    Not loaded


    Graphics setting view
    Channel:
    Level, dBV:

    Loaded 15,8 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 24,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 30,5 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 62,4 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 100 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 198,9 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 300 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:

    Loaded 763 ohm


    Graphics setting view
    Channel:
    Level, dBV/dBm:




    On-line comparison and selection services for xDuoo X20 Balance

    Comparison of basic characteristics xDuoo X20 Balance versus other models.
    Voltage, Current and Impedance

    Compare a changed frequency response the bundles of xDuoo X20 Balance and headphones .

    Comparison xDuoo X20 Balance and another amplifiers by loudness (Volume Level).

    Comparison of the power characteristics of xDuoo X20 Balance and interaction headphones.
    Additional headphone compatibility analytics.

    The automatic selection of the optimal AMP models from xDuoo X20 Balance.
    from the measured power parameters of the amplifying part and the measured parameters of the headphones for different purpose of use.


    Close ⊗

    Measurements of xDuoo X20 Balance were carried out by Roman Kuznetsov on the hardware-software complex RAA.

    The xDuoo X20 Balance 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.

    I believe that it is important to do not make an absolute assessment of the device, but an aggregate assessment when working together with a headphones and taking into account external factors. This allows you to effectively reveal the potential of the entire set of devices or to make a more optimal choice of components.



    Kuznetsov Roman
    Founder of RAA



    Known by the nickname romanrex
    Аuthor of articles iXBT.com




    xDuoo X20 is available in reports and services. You are in a professional report.



    Information for entry level users

    reports for a newbie (Headphone amplifier)
    Information for all

    Versus of characteristics
    Information for professionals

    reports for a pro (Headphone amplifier)
    (DAC Line Out)
    Comparison of on-line graphs



    Quick jump to the schedule in this report: Balance


    ⊗ Kennerton
    ⊗ PRO account
    ⊗ Sertification

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