This is a report for professionals with a suite of tests for line output devices. Alternative version of the report for "dummies" in development.

A suite of tests for the line-out can be used for headphone or speaker output if in this mode it is possible to use the device as a source for connecting an external amplifier or if such a test suite can give more information about the implementation of the DAC in the device.

Line-out, differences from the output for headphones and speakers

Test report - general data xDuoo XD-05 Plus (as Line Out mode)

Max voltage output at 0 dBFS	5.6	dBV
	1.9	V_RMS

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Frequency response xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Range

Frequency band

Type test:

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Impulse response xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Duration for impulse, envelope and step responses

Graphics setting view

Channel

Duration for impulse, envelope and step responses

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Aliasing xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Range

Type test:

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Harmonic Distortion vs Level xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Comparison by

Harmonic, number

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Crosstalk xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Range

Graphics setting view

Channel

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Spectrum of Total Harmonic Distortion (THD) xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Level @ dBFS

Range

Graphics setting view

Channel

Level @ dBFS

Range

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Spectra xDuoo XD-05 Plus PCM1 (as Line Out mode)

Spectrum of Dynamic Range (-60 dBFS)

Graphics setting view

Graphics setting view

Channel

Range

Range

Range

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Checking for correctness of reproduction signals depth more than 16-bit xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Range

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

Waveforms / Spectra xDuoo XD-05 Plus PCM1 (as Line Out mode)

Graphics setting view

Channel

Range

Graphics setting view

Channel

Range

Type test:

Brief information

Clicking on the graph will take you to the comparison page of different models with advanced graph display settings.

More detailed

Measurements of xDuoo XD-05 Plus PCM1 were carried out by Roman Kuznetsov on the hardware-software complex RAA.

The xDuoo XD-05 Plus PCM1 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

Information for Authors. You can freely use the graphics in your articles with a link to us.

xDuoo XD-05 Plus is available in reports and services. You are in a professional report.

Information for entry level users

reports for a newbie (Headphone amplifier)

The automatic selection of the optimal AMP models

Information for all

Soft players and USB transports

Versus of characteristics

Information for professionals

reports for a pro (Headphone amplifier)

reports for a pro (DAC Line Out)

Comparison of on-line graphs

Quick jump to the schedule in this report: PCM1

Original text in Russian page. Translation page is not yet ready

You can help with translation via the: facebook and feedback.

Comments

penso996
Изображения, медиа и смайлы доступны в исходном чате.
2022-09-22 22:20:07

Comment to the contents of reports xDuoo XD-05 Plus

Hello, these are really technical graph, I've been here for at least two hours trying to understand. I just want to know how this xDuoo would behave with HD800s, which specs are 102dB/V @ 300Ohm.
Thanks for your precious work.

romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2022-09-23 14:24:06

Комментарий к оглавлению отчетов xDuoo XD-05 Plus

xDuuo XD-05 Plus volume level depends of modes Hi/Mid/Low and Boost On/Off
http://reference-audio-analyzer.pro/param21.php?&idhp0=706&idamp0=2124&vol0=0&idhp1=706&idamp1=2121&vol1=0&idhp2=706&idamp2=2125&vol2=0&idhp3=706&idamp3=2123&vol3=0&idhp4=706&idamp4=2122&vol4=0&idhp5=706&idamp5=2126&vol5=0&ls=2&tit_graph=2&cl0=%23bb0303&cl2_0=%23bb0303&cl1=%23094a78&cl2_1=%23094a78&cl2=%23029602&cl2_2=%23029602&cl3=%23bb6b03&cl2_3=%23bb6b03&cl4=%238e2424&cl2_4=%238e2424&cl5=%231b415b&cl2_5=%231b415b&style0=0&style1=0&style2=0&style3=0&style4=0&style5=0&mh147=147&ma176=176

The most loud mode of bundle (HD 800s and XD-05 Plus) is Hi Boost On.

xDuuo XD-05 Plus gives The best quality before 108.5 dB SPL (this level between sature color and light color) and it gives maximum volume level before 123.5 dB SPL.

You can choose famous devices and make comparison their loud. This example, HS800s and different AMP sources

http://reference-audio-analyzer.pro/param21.php?&idhp0=706&idamp0=2125&vol0=0&idhp1=706&idamp1=3103&vol1=0&idhp2=706&idamp2=2908&vol2=0&idhp3=706&idamp3=3668&vol3=0&ls=2&cl0=%23029602&cl2_0=%23029602&cl1=%23bb0303&cl2_1=%23bb0303&cl2=%23094a78&cl2_2=%23094a78&cl3=%23bb6b03&cl2_3=%23bb6b03&style0=0&style1=0&style2=0&style3=0&mh147=147&ma286=286

Or different headphones with XD-05 Plus

http://reference-audio-analyzer.pro/param21.php?&idhp0=706&idamp0=2125&vol0=0&idhp1=3808&idamp1=2125&vol1=0&idhp2=719&idamp2=2125&vol2=0&idhp3=1814&idamp3=2125&vol3=0&ls=2&cl0=%23029602&cl2_0=%23029602&cl1=%23bb0303&cl2_1=%23bb0303&cl2=%23094a78&cl2_2=%23094a78&cl3=%23BB6B03&cl2_3=%23BB6B03&style0=0&style1=0&style2=0&style3=0&mh25=25&mh72=72&ma176=176

I think subjective quality HD800s is better than portable XD-05 Plus. HD800s can gives Most quality with different desktop Amps.

penso996
Изображения, медиа и смайлы доступны в исходном чате.
2022-09-23 20:44:13

Comment to the contents of reports xDuoo XD-05 Plus

Thank you so much for you answer.
To be fair I own the xDuoo XD05 Bal, but unfortunately, you don't have done any measurement.
In my mind it was a fair comparison between them two, but only then I aknowledged that the xDuoo XD05 Bal has way more Volt through the Balanced 4,4 Output, and also it has overral better sound quality. But I can't find exact output data over the web. So I'm still hoping it can drive HD800s at least at 90% of them potential. Power and quality wise.
If you have any idea regard how xDuoo 05 Bal would sound with HD800s it would be awesome.
My problem is that I can only own a portable Amp, but I'd really like to own a pair of HD800s as well, so I'm kinda stuck.
If you have any opinion or suggestion, a portable DAC/Amp that can do the job with the HD800s for example, that would be extremely appreciated.
Thank you so much for your effort.

romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2022-09-26 14:05:16

Comment to the contents of reports xDuoo XD-05 Plus

penso996 2022-09-23 20:44:13
Comment to the contents of reports xDuoo XD-05 Plus
Thank you so much for you answer.
To be fair I own the xDuoo XD05 Bal, but unfortunately, you don't have done any measurement.
In my mind it was a fair comparison between them two, but only then I aknowledged that the xDuoo XD05 Bal has way more Volt through the Balanced 4,4 Output, and also it has overral better sound quality. But I can't find exact output data over the web. So I'm still hoping it can drive HD800s at least at 90% of them potential. Power and quality wise.
If you have any idea regard how xDuoo 05 Bal would sound with HD800s it would be awesome.
My problem is that I can only own a portable Amp, but I'd really like to own a pair of HD800s as well, so I'm kinda stuck.
If you have any opinion or suggestion, a portable DAC/Amp that can do the job with the HD800s for example, that would be extremely appreciated.
Thank you so much for your effort.

Today I'll get xDuoo XD-05 Balanced to measurement. The report will be in a few days.

romanrex
Изображения, медиа и смайлы доступны в исходном чате.
2022-10-10 12:33:29

Comment to the contents of reports xDuoo XD-05 Plus

romanrex 2022-09-26 14:05:16
Comment to the contents of reports xDuoo XD-05 Plus
Today I'll get xDuoo XD-05 Balanced to measurement. The report will be in a few days.

xDuoo XD-05 Balanced reports https://reference-audio-analyzer.pro/title-report.php?id=4056

And review https://reference-audio-analyzer.pro/review-report.php?id=4056

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xDuoo XD-05 Plus PCM1
xDuoo XD-05 Plus PCM1