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[KsanderI]

DiscussionxDuoo x20
Player
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Specifications

Description.
Xduoo X20 is an audiophile player from one of the leaders in the portable Hi-Fi market segment. This time, craftsmen from the Celestial Empire did not submit to the discerning public for consideration the basic device created to gain leadership positions in the mid-budget price range.
The Xduoo X20 case is made of aircraft-type aluminum. The display itself is generally comfortable for everyday use with a diagonal and resolution. The set of connection interfaces is represented by 2.5 mm balanced and 3.5 mm headphone outputs, a USB type-C port, as well as a combined digital coaxial with a linear connector. The control diagram is represented by the power, volume, playback keys and menu navigation buttons located on the side faces of the case. Further, it is worth noting some key technical aspects of the device, such as the option of connecting to a PC as a USB-DAC and a bidirectional Bluetooth 4.0 module with support for the aptX codec and the Bluetooth-DAC mode, which is also capable of synchronizing the player with the popular HIBY Link software service. As for the built-in battery, this one has a capacity of 2400 mAh, which will provide up to 7 hours of battery life while continuously listening to audio with wired headphones on a balanced output.
The main advantage of the Xduoo X20 is its internal equipment, among which the truly audiophile 32-bit ESS Saber 9018Q2M DAC with a sampling frequency of up to 384 kHz and support for the native DSD 256, which was previously found in solutions with a significantly higher cost, deserves the best ratings. Next, it should be noted the amplification path, where the key link was TI OPA1612 opamp, providing output power of 210 mW (32 Ohms) for unbalanced connection and 300 mW (32 Ohms) for a balanced line. It is important to mention the presence of two low-phase crystal oscillators (crystals) operating at frequencies of 44.1 and 48 kHz, which are designed to minimize the value of jitter and THD. In terms of the specifics of playing audio files, the player demonstrates expectedly high performance in relation to the naturalness of the sound supply along with the proper construction of an imaginary scene and a clear separation of instrumental parts. Moreover, the sound of the X20 is also characterized by the delicate manner of acting out the frequency ranges with their proper elaboration and emotional component, as well as close to the authentic timbre color.
In a black black box, the new owner will find a black player with a protective film attached to the protective film;), USB and coaxial cables, an additional two screen protectors, silicone “paws”, 2 gags for mini jack outputs (not always), a set of documentation and a cover from a young Chinese dermanthin (in new deliveries).

Brief specifications
DAC: ES9018K2M
Shelter: OPA1612
Supported Formats: APE, FLAC, WAV, AIFF, ALAC, AAC, MP3, OGG, WMA, ISO, DSF, DFF
DSD support: up to DSD256
Input: USB-C
Outputs: 3.5 mm headphone, 2.5 mm balanced, 3.5 mm linear, combined with coaxial
Bluetooth: 4.1 with aptX and Hiby Link
Screen: 2 ″ TFT, 240 × 320
Battery: 2400 mAh
Operating time on a single charge: ~ 8 hours from a normal output, ~ 7 hours from a balanced output
Charging time:<3 h
Dimensions: 110 mm Г— 56 mm Г— 16.6 mm
Weight: 138 g
3.5 mm output

Output Power: 210 mW @ 32О©
Frequency range: 20 Hz - 20 kHz (В± 0.15 dB)
Signal to Noise Ratio: ≥114 dB
Dynamic range:>75 dB
Total Harmonic Distortion + Noise: 0.0015%
Balanced output

Output Power: 300mW @ 32О©
Frequency range: 20 Hz - 20 kHz (В± 0.15 dB)
Signal to Noise Ratio: ≥116 dB
Dynamic range:>112 dB
Total Harmonic Distortion + Noise: 0.0015%
Linear output

Output Level: 1.7 Vrms
Frequency range: 20 Hz - 20 kHz (В± 0.15 dB)
Signal to Noise Ratio: ≥114 dB
Dynamic range:>108 dB
Total Harmonic Distortion + Noise: 0.0012%

A photo

Reviews

https://hi-news.ru/aud...ok-i-kompromissov.html
https://www.ixbt.com/l...i-res-audiopleera.html
http://zvukoed.com/xduoo-x20/

Firmware

Link to the official xDuoo website with the latest firmware, instructions and drivers for the Usb-DAC:
http://www.xduoo.com/xduoo/En/DownList.Asp
Firmware from Alex_nsk (from player.ru). Fixed Russian language fixed font
Firmware 1.2 Attached file X20 V1.2.zip
Custom firmware v1.2 from Vortex On mega
Rockbox for x20 from XVortex
Rockbox firmware from xVortex with new patches
Firmware 1.5
Rockbox firmware made on the basis of stock V1.5 from XVortex
Firmware 1.5 mod rus
Firmware 1.1

Useful

Interesting features
HibyMusic for smartphones, for controlling the player via bluetooth
Application for unpacking and packing firmware from Hiby,
Instructions on firmware

K

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Post has been editedmihadom - 24.02.19, 21:13

Reason for editing: Firmware 1.1

[YuliyaDe]

Apologies that I’m climbing with myxDuoo X20.
As a result of the operation day, 2 unpleasant schools were revealed.
1. The most unpleasant. The player passed out of the blue. The screen in one position turned on and off. And that’s all. I did not respond to the reset.
I thought it might stop quirking when it’s completely discharged. And so it happened. All evening and night was discharged.
Today thought better of it and earned it.
2. During playback, a quick squealing sound skips every two hours.

Tell me - is this typical for xDuoo players or is it worth changing?
For exchange you need to send to China at your own expense.
Or is there a warranty workshop somewhere here?

[KsanderI]

I think it’s better to send to China. Delivery will cost ~ $ 10. And take it at a local store with a one-year warranty.
Honestly, xduoo were not famous for quality, remember the same xduoo x2. How much marriage, how many revisions of the player. And in last year’s miracle, x10 nests broke out.

Post has been editedKsanderI - 01.06.18, 20:47

[mealengab]

KsanderI,Yes, where is she going, sales are going, I think, the player is new, by the way one of the indicators of the current topic is sluggish is the absence of glitches, marriage, i.e. everyone is happy with everything, and then the customizers will catch up. In general, in addition to the marriage described above (by the way, the user has successfully changed to another), practically there were no other precedents

[KsanderI]

HibyMusic application for smartphones, to control the player via bluetooth:
Hibymusic

[bars563414]

I have a question here, but he has a button lock. Something I can’t find.

[KsanderI]

mealengab
I hope, since this is the first player from xDuoo that I pecked at)). And most importantly, what if they programmatically supported their brainchild, and not twice, as in the case of x10.
And there is one more point, to reduce the cost of the player, they can resort to savings in components (multiply revisions), since many want a price of $ 120-150 for it.

Posted on 06/01/2018, 21:32:

bars563414,

No lock. But dear Aleks_Nsk, contacting xDuoo representatives, suggested several amendments to the firmware, including key lock. We are waiting for a new official firmware. : rolleyes:

[KsanderI]

Application for unpacking and packing firmware from Hiby, and further editing the design of the firmware.

Attached files

Theme tool.rar(5.98 MB)

[Alukard137]

A small dilemma, I can not choose what to buy for the Xduoo X20
1. New xiaomi mi collar bluetooth
2. Senfer 4in1 + bluetooth module
Before that there were urbanfun hifi, I was delighted with the sound, I want at least the same, but via bluetooth

[KsanderI]

Alukard137,
And which module? Much depends on him. In principle, take a good BT module with mmcx connector (because there are a lot of good headphones with such a connector) and then pick up headphones to your taste. Senfer v-shaped if that.

[Alukard137]

KsanderI,
BT module is -https: //ru.aliexpress....460.0.0.60fd2e0ed7vEbX

if I'm not mistaken, urbanfun hifi also has a v-shaped sound, I like that.

I’m considering another option besides the senders -https: //ru.aliexpress....460.0.0.60fd2e0ed7vEbX

[KsanderI]

Alukard137,
The module on the pictures looks good, there are not enough reviews from customers. But he must stand for his money. As for the headphones, something is better for something more expensive, since there will not be an increase in quality after urban areas.

[Alukard137]

KsanderI,
And senfer 4in1 is more expensive, will there be an increase?
Maybe you can advise something v-shaped up to 2500r?

[Dorothy25]

While the flight is normal: happy: 3 weeks to use. Good machine.

[KsanderI]

Firmware from Alex_nsk (from player.ru). Fixed Russian language fixed font.X20_1.1_VTX.zip(36.82 MB)

[KsanderI]

Alukard137,
Nope, it won’t, maybe they’ll play a little better in some place (I haven’t heard the urban'ov for a long time, and they were uncomfortable, in short, I didn’t like it). Ostry kc06a are good, dunu titan 5, but their price is completely different. And more in the branch:
http://player.ru/showthread.php?t=120819

Post has been editedKsanderI - 04.06.18, 14:59

Reason for editing: typo

[dimpa]

Greetings to the owners. The button lock is not implemented in the firmware yet? The only thing that upsets. Well, the card began to disappear periodically (the norm card, in every possible way checked it on other devices).

[KsanderI]

dimpa
xDuoo x20 [Linux] (Post by KsanderI # 73834572)

[ApostolGarik]

Hello. Please tell me in which file system do you need to format the USB flash drive? (Fat32 or NTFS). Thanks in advance for your reply.

[bars563414]

ApostolGarikfat32 exfat

[ApostolGarik]

And if possible, please answer such a question. How is this machine doing with ISO? I mean DVD-A and SACD formats. My x20 will arrive at the end of the week, I want to prepare in advance. I listen to such formats on a stationary player with outdoor acoustics. The technique is not hi-end, but the quality is excellent. And immediately the second question arises, how generally in terms of playback quality compared with the hospital? I bought blindly, purely from reviews and reviews. I almost bought M3s, but the consultant inclined me to this player. I hope not in vain! Ears ordered meeaudio m6pro 2nd. They say no sound is leveled. Now coming from the USA. THANKS IN ADVANCE FOR ALL ANSWERS!