1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your LEAUDIO XDUOO X5 HiFi Music Player. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity. The XDUOO X5 is a portable high-fidelity music player designed to deliver exceptional audio quality with support for various lossless formats and advanced features.

Image 1.1: Front view of the XDUOO X5 HiFi Music Player, showcasing its touch screen and sleek design.
2. What's in the Box
Upon unboxing your XDUOO X5, please verify that all the following items are included:
- X5 Player
- USB Cable
3. Product Overview
Familiarize yourself with the physical components and ports of your XDUOO X5 player.
3.1. Ports and Connectors

Image 3.1: Bottom panel of the XDUOO X5, featuring the USB-C port, 3.5mm Line Out, 3.5mm Unbalanced Headphone Output, and 4.4mm Balanced Headphone Output.
- USB-C Port: Used for charging, data transfer, and USB DAC functionality.
- 3.5mm Line Out: For connecting to external amplifiers or audio systems.
- 3.5mm Unbalanced Headphone Output: Standard headphone jack.
- 4.4mm Balanced Headphone Output: For balanced headphones, offering enhanced audio performance.
3.2. Side Controls and Storage

Image 3.2: Side view of the XDUOO X5, highlighting the USB-C port and the TF/Micro SD card slot.
- TF Card Slot: Supports up to 1TB TF/Micro SD cards for expanded storage.

Image 3.3: Side view of the XDUOO X5, showing the power button and volume controls.
- Power Button: Used to turn the device on/off and lock/unlock the screen.
- Volume Buttons: Adjust the audio output level.
4. Setup
4.1. Charging the Device
Before first use, fully charge the XDUOO X5. Connect the provided USB cable to the USB-C port on the player and to a USB power adapter (not included) or a computer's USB port. The charging time is approximately 3 hours.
4.2. Inserting a TF Card
The XDUOO X5 supports TF/Micro SD cards up to 1TB. Locate the TF card slot on the side of the device. Gently insert the TF card into the slot until it clicks into place. Ensure the card is oriented correctly to avoid damage. The player supports FAT32, EXFAT, and NTFS formats.

Image 4.1: The XDUOO X5 supports large-capacity memory cards, up to 1TB.
4.3. Connecting Headphones
Connect your headphones to either the 3.5mm unbalanced output or the 4.4mm balanced output, depending on your headphone type. Ensure the connector is fully inserted.
5. Operating Instructions
The XDUOO X5 features a 3.5-inch IPS high-definition multi-touch screen for intuitive operation.

Image 5.1: Key features and advantages of the XDUOO X5 HiFi Music Player.
5.1. Power On/Off
- To Power On: Press and hold the power button on the side until the screen illuminates.
- To Power Off: Press and hold the power button until a power-off option appears on the screen, then confirm.
- Screen Lock/Unlock: Briefly press the power button to lock or unlock the screen during operation.
5.2. Basic Navigation
Use the multi-touch screen to navigate through menus, select songs, and adjust settings. Swipe gestures and taps are used for interaction.
5.3. Music Playback
The XDUOO X5 supports a wide range of high-definition lossless music formats, ensuring a rich audio experience.

Image 5.2: The XDUOO X5 supports HD lossless audio formats, including DSD256 and PCM 32bit/384kHz.

Image 5.3: The XDUOO X5 supports a variety of music formats for versatile playback.
- Supported Formats: DSD (DSD64-256), WAV (16-24Bit/44.1k-384kHz), AIFF (16-24Bit/44.1k-192kHz), FLAC (16-24Bit/44.1k-192kHZ), APE (16-24Bit/44.1k-192kHz), MP3, WMA, OGG, M4A, AAC.
- File Support: CUE, M3U, and M3U8 files are supported.
- Navigation: Browse your music library by artist, album, genre, or folder.
5.4. Bluetooth Functions
The XDUOO X5 features Bluetooth 4.2 with both input and output capabilities.
- Bluetooth Output: Connect to Bluetooth headphones or speakers. Supports SBC, AAC, and LDAC codecs.
- Bluetooth Input: Use the X5 as a Bluetooth DAC for your smartphone or other devices.
- Pairing: Access the Bluetooth settings menu on the device to pair with other Bluetooth devices.
5.5. USB DAC Mode
Connect the XDUOO X5 to your computer via the USB-C cable to use it as an external DAC. This provides high-quality audio output from your computer. It is plug-and-play, requiring no special drivers for most operating systems.
5.6. Car-Play Function
The device supports a Car-Play function, allowing seamless integration with compatible car audio systems for music playback while driving.
5.7. Sound Effect Adjustment
The XDUOO X5 includes a sound effect adjustment function, supporting custom equalization (EQ) settings to tailor the audio output to your preferences.
5.8. Voice Song Search
Utilize the voice song search feature for convenient hands-free navigation of your music library.
6. Maintenance
6.1. Cleaning
Wipe the device with a soft, dry, lint-free cloth. Do not use liquid cleaners or aerosols, as they may damage the finish or internal components.
6.2. Battery Care
The XDUOO X5 has a built-in 3.7V/2600mAh lithium polymer battery. To prolong battery life:
- Avoid fully discharging the battery frequently.
- Do not expose the device to extreme temperatures.
- If storing the device for an extended period, charge it to about 50% capacity.
6.3. Storage
Store the player in a cool, dry place away from direct sunlight and moisture when not in use.
7. Troubleshooting
If you encounter issues with your XDUOO X5, refer to the following common problems and solutions:
- Device does not power on: Ensure the battery is charged. Connect the player to a power source and try again. If the issue persists, contact support.
- No sound output: Check headphone connections. Verify volume levels. Ensure the correct output mode (headphone or line out) is selected in settings. Test with different headphones.
- TF card not recognized: Ensure the TF card is inserted correctly. Check if the card is formatted to FAT32, EXFAT, or NTFS. Try a different TF card to rule out card issues.
- Bluetooth pairing issues: Ensure the X5 is in pairing mode and the other device is discoverable. Move devices closer to each other. Clear previous Bluetooth connections if necessary.
- Device freezes or becomes unresponsive: Press and hold the power button for approximately 10-15 seconds to force a restart.
8. Specifications
Detailed technical specifications for the LEAUDIO XDUOO X5 HiFi Music Player:
| Parameter | Value |
|---|---|
| Power Source | Built-in 3.7V/2600mAh lithium polymer battery |
| Screen | 3.5-inch IPS high-definition screen, 480x800 pixels resolution |
| Operation | Multi-touch |
| TF Card Support | Up to 1TB (FAT32, EXFAT, NTFS) |
| Supported Music Formats | DSD (DSD64-256), WAV (16-24Bit/44.1k-384kHz), AIFF (16-24Bit/44.1k-192kHz), FLAC (16-24Bit/44.1k-192kHZ), APE (16-24Bit/44.1k-192kHz), MP3, WMA, OGG, M4A, AAC |
| Bluetooth Version | 4.2 |
| Bluetooth Functions | Input, Output |
| Bluetooth Codecs | SBC, AAC, LDAC |
| USB DAC | Plug and Play |
| Suitable Headphone Impedance | 16-300Ω |
| Battery Life | Approximately 10 hours |
| Charging Time | Approximately 3 hours |
| Size | 10.5 x 6.0 x 1.6 cm |
| Weight | 0.15 kg |
| Unbalanced Headphone Output (3.5mm) Power | 200mW (32Ω/THD+N<0.001%) |
| Unbalanced Headphone Output (3.5mm) Frequency Response | 20Hz~20kHz (±0.5dB) |
| Unbalanced Headphone Output (3.5mm) SNR | ≥115 dB |
| Unbalanced Headphone Output (3.5mm) Crosstalk | >75 dB |
| Unbalanced Headphone Output (3.5mm) THD+N | 0.001%@1kHz(32Ω@1kHz) |
| Balanced Headphone Output (4.4mm) Power | 270mW (32Ω/THD+N<0.001%) |
| Balanced Headphone Output (4.4mm) Frequency Response | 20Hz~20kHz (±0.5dB) |
| Balanced Headphone Output (4.4mm) SNR | ≥120 dB |
| Balanced Headphone Output (4.4mm) Crosstalk | >115 dB |
| Balanced Headphone Output (4.4mm) THD+N | 0.0009%@1kHz (32Ω@1kHz) |
| Line Out (3.5mm) Output Level | 2.0Vrms |
| Line Out (3.5mm) Frequency Response | 20Hz~20kHz (±0.5dB) |
| Line Out (3.5mm) SNR | ≥115 dB |
| Line Out (3.5mm) Crosstalk | >108 dB |
| Line Out (3.5mm) THD+N | 0.001%@1kHz |
| Manufacturer | XDUOO |
| Model Name | X5 |
| Connectivity Technology | Bluetooth |
| Memory Storage Capacity | 4 GB (Internal) |
| Color | Black |
| Compatible Devices | Headphone, Personal Computer, Smartphone |
9. Warranty Information
The LEAUDIO XDUOO X5 HiFi Music Player comes with a standard manufacturer's warranty. Please refer to the warranty card included with your product or contact the retailer for specific terms and conditions regarding coverage and duration. Keep your proof of purchase for warranty claims.
10. Support
For further assistance, technical support, or service inquiries regarding your XDUOO X5, please contact the retailer or visit the official LEAUDIO/XDUOO website. You may find additional FAQs, firmware updates, and contact information there.