xDuoo X3II

xDuoo X3II - X3II

xDuoo X3II AK4490 DSD128 Bluetooth HiFi Portable Lossless Music Player with USB DAC & OTG Function

It can be Rockbox .


What’s the difference with X3?

Xduoo X3II is overall upgrading version based on X3, which has a good reputation in the past generation. It adopts IPS high-definition full-angle display screen with clear picture quality, and matches 7H hardness toughened glass to effectively prevent shaving. It supports most of the popular lossless audio formats and up to DSD128 high-definition sampling rate songs at 384 kHz/32 bit. This product has added Bi-directional 4.0 Bluetooth transmissions, can connect with Bluetooth headset, also connect with mobile phone Bluetooth for decoding to improve the sound quality of mobile phone. At the same time, the HIBY LINK function is also added, which can also be used to control the device through the mobile phone. The USB port also has the Bi-directional function, that is, it can output the USB audio & video, and can also connect the computer USB port as the USB DAC function, which greatly increases the playability. The product has a lot of fun and is worth owing.

Speak with “chip”

The professional-grade AK4490 is used as the DAC chip, only to make the music more realistic, the sound field more wider, and the resolving power more stronger, so you can feel the shock value of the HD sound quality!

Adopt the HIFI chip OPA1652+LMH6643 from TI as power amplification, low distortion, low noise, rich details, and huge thrust

Support the lossless audio formats

Support DSF, DFF, ISO suffix DSD audio format, up to DSD128

Support DXD, FLAC, APE, WAV, ALAC, AIFF lossless audio formats, up to 32Bit/384KHz

Support MP3, AAC, WMA and other music formats

Support CUE, M3U, M3U8 files

Support album cover display as well as lyrics display

10 sections of EQ, 18 kinds of sound effects

Choose your own sound mode based on your own preferences.

In addition to the common settings of audio adjustment, there are 10 custom EQs for you to adjust. The rational use of 10 professional equalizers only brings more pleasing sounds, thus alleviating the lack of the headphone frequency response and making music more balanced.

Bidirectional Bluetooth 4.0

Can be used as a sound source to transmit lossless Bluetooth music signals, connected with Bluetooth headphone, speakers or car player by turning into digital turntable to let you enjoy wireless restraint

Can be connected with a Bluetooth of mobile phone by tuning into a Bluetooth decoder to solve the difficulty of finding music resources and let you enjoy HD sound quality while playing mobile phone

Hiby Link function

Download HiBy music APP from mobile phone, connect HiBy with X3 II LINK, on which you can play songs, browse songs, adjust the volume, create a new file list and operate other functions, conveniently and quickly, without having to take out the player, you can operate X3II with your mobile phone which you can play safely, and users’ experience is greatly improved.

Bidirectional USB portUSB DAC Function

Connecting to computer USB not only can copy songs, but also can be used as USB DAC decoding to improve the sound quality of computer output. It is ideal for listening to music and watching movies.

USB Audio Output Function

Support USB AUDIO output function

Support DOP, D2P output mode, you can connect decoder as digital dial

Support USB OTG to read and play music files form U disk

In-car play mode

Support car play mode, through the connection with the car USB, X3II can follow the start of the car to start playing music and stop automatically when the car is off, provide your car Hi-Fi sound source, so that your car is also HIFI, and you can enjoy good music at any time while driving on the road.

256G TF Card Extension

By adding TF card to expand storage space, maximum support 256GB TF/Micro SD card, it can store about 6400 single lossless songs with 40MB, and make you daily listen to music freely.

High-grade Aluminum Alloy CNC Processing

The use of high-grade aluminum alloy with precision CNC Integrated processing molding, the adoption of sandblasting process for surface with both texture and hand feel, moderate body weight and excellent grip.


Output Power: 210mW (32Ω/THD + N<0.0015%)

Frequency Response: 20Hz~20kHz (±0.15dB)

Crosstalk: >75dB

S/N: ≥114dB

Battery: 3.7V/2000mAh

THD+N: 0.0015%@1kHz (32Ω@1kHz)

Charging time: <3H (Quick charge)

             <5H (Slow charge)

Battery life: about 13hours

Weight: 112g

Size: 102.5×51.5×14.9mm


xDuoo x3II

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Due to the impact of the COVID-19 pandemic, global international shipping will delays. The delay at our Hong Kong post office is very serious, so we have changed to other fastest or most efficient international shipping. Now the normal estimated delivery time may be delayed by about 1-2 weeks. In some countries where is higher free-tax rate, we will provide free courier service as much as possible.

Free Shipping

All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.

Economy shipping: Will be shipped without tracking number.

Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .

It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx

  • Views: 19408
  • Brand: xDuoo
  • Product Code: X3II
  • Availability: In Stock
  • $129.00

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Tags: xDuoo X3II, Bluetooth, DAC, OTG