1. Introduction
Thank you for choosing the Fiio Snow Sky Disc MP3 Player. This portable high-resolution audio player is designed to deliver exceptional sound quality with its advanced features and user-friendly interface. This manual will guide you through the setup, operation, and maintenance of your new device.

2. Safety Information & Precautions
2.1. Warning
- This product is intended for adult collectors only and is not suitable for children under 14 years of age.
- Do not swallow small parts to prevent choking.
2.2. Precautions
- Avoid dropping or subjecting the device to heavy pressure.
- Do not expose the device to liquids or high-temperature environments.
- Not intended for children; small parts may pose a choking hazard.
3. Package Contents
Please check the package for the following items:
- DISC Host x1
- USB Cable x1
- Sticker x1
- Quick Start Guide x1
- Warranty Card x1

4. Product Overview
Familiarize yourself with the device's buttons and interfaces:

- Power/Lock Screen Button: Located on the top. Short press to lock/unlock screen.
- Play/Pause Button: Located on the right side.
- Volume Up/Previous Track: Located on the right side. Short press for volume up, long press for previous track.
- Volume Down/Next Track: Located on the right side. Short press for volume down, long press for next track.
- Lanyard Hole: For attaching a lanyard.
- 4.4mm Balanced Headphone Output: For balanced audio output.
- TF Card Slot: For inserting a microSD card (up to 2TB).
- Type-C Data/Charging Port: For charging and data transfer.
- 3.5mm Single-ended Headphone/SPDIF Output: For standard headphone connection or digital audio output.
Note: During screen-off playback, long-press the volume keys to switch tracks.
5. Setup
5.1. Initial Power On
- Press and hold the Power/Lock Screen button until the screen lights up.
- Follow the on-screen prompts to select your preferred language and initial settings.
5.2. Inserting a TF Card
- Locate the TF card slot on the device.
- Insert a microSD card (up to 2TB) into the slot until it clicks into place.
- The device will automatically scan for music files on the card.

5.3. Connecting Headphones
The device supports both 3.5mm single-ended and 4.4mm balanced headphone connections.
- For standard headphones, plug into the 3.5mm jack.
- For balanced headphones, plug into the 4.4mm jack.

6. Operating Instructions
6.1. User Interface (UI) Interaction
The Snow Sky Disc features an intuitive circular touchscreen for navigation.
- Dropdown Menu: Swipe down from the top of the screen to access quick settings (e.g., EQ, gain, SPDIF, screen rotation, music library scan).
- Screen Rotation: Tap the screen rotation icon in the quick settings to flip the screen orientation.
- Navigate Back: Swipe right on the screen to go back to the previous menu.
- Music List/File Browsing: Long press on a track in the list to access options like adding to favorites or deleting. Swipe up on the edge of the list to reveal an alphabetical index for quick navigation.
- Playback Interface: Single tap on the playback screen to switch between different UI displays (e.g., album art, lyrics, track info).
- Lock Screen: Short press the power button to enter the lock screen. Swipe right to exit the lock screen and return to the main interface.
- Long File Names: In file browsing or classification lists, if a file name is too long, you can scroll the file name to view the full text.
- System Settings: Access system settings to adjust options like optimized battery charging, brightness, screen-off time, screen rotation, sleep timer, power saving, playback settings, and lock screen themes.
6.2. Bluetooth Connectivity
The Snow Sky Disc supports Bluetooth 5.4 with LDAC for high-quality wireless audio streaming.

- Go to System Settings > Bluetooth.
- Turn on Bluetooth and scan for available devices.
- Select your Bluetooth headphones or speaker from the list to pair.
6.3. USB DAC & USB Audio Output
The device can function as a USB sound card for your computer/phone/tablet or output audio via USB to an external DAC.

- USB DAC Mode: Connect the device to your computer/phone/tablet via the USB Type-C port. Select 'USB DAC Mode' from the device's settings to use it as an external sound card.
- USB Audio Output: Connect the device to an external DAC via the USB Type-C port. Select 'USB Audio' mode to output digital audio to the external DAC.
6.4. Coaxial Output
The 3.5mm port also supports coaxial digital audio output, allowing connection to external decoding equipment for enhanced audio experiences.

7. Key Features
- Dual DAC Architecture: Equipped with dual CS43131 DACs and a balanced audio architecture for high-fidelity sound.
- Powerful Output: 280mW output power, capable of driving a wide range of headphones.
- Ingenic X2000 Processor: Features an Ingenic X2000 dual-core processor running a custom Linux system for pure audio playback.
- Hi-Res Audio Certified: Supports both Hi-Res Audio and Hi-Res Audio Wireless certifications.
- Long Battery Life: 1450mAh battery provides up to 12 hours of continuous playback.
- Versatile Sound Effects: Built-in 8 sound effects (e.g., Rock, Popular, Retro) and multiple filters.
- OTA Updates: Supports online Over-The-Air (OTA) updates for continuous feature improvements.
- Screen Flip & Charging Protection: Additional features for user convenience and device safety.


8. Specifications
8.1. Basic Specifications
| Attribute | Value |
|---|---|
| Color | Blue, Black, Pink |
| Dimensions | Approx. 68x68x12.9mm |
| Weight | Approx. 77.2g |
| Screen | 1.8-inch LCD (360x360) Full-fit screen |
| Main Control | Ingenic X2000 |
| DAC Chip | CS43131*2 |
| Headphone Output | Single-ended 3.5mm + Balanced 4.4mm |
| Coaxial Output Interface | Standard 3.5mm jack (shared with PO) |
8.2. Audio Parameters
| Parameter | Value |
|---|---|
| Output Power 1 | L+R≥280mW+280mW (32Ω, THD+N<1%, 3.0Vrms) |
| Output Power 2 | L+R≥125mW+125mW (32Ω, THD+N<1%, 2.0Vrms) |
| Signal-to-Noise Ratio | ≥129dB (A-weighted) |
| THD+N | <0.0003% (1kHz/-6dB@32Ω) |
8.3. Sampling Support & Audio Formats
| Type | Supported Formats/Specifications |
|---|---|
| Native Decoding | PCM 384KHz/32bit; DSD128 |
| USB DAC | PCM 384KHz/32bit |
| USB Audio | PCM 768KHz/32bit |
| Coaxial Output | PCM 192KHz/24bit; DSD64 (DOP) |
| General Formats | MP3, OGG, WMA, AAC |
| DSD | DSD 64/128 (dsf, dff) |
| ISO | DSD64 |
| APE FAST/High/Normal | 384KHz/24bit |
| APE Extra High | 192KHz/24bit |
| Apple Lossless | 384KHz/32bit |
| AIFF | 384KHz/32bit |
| FLAC | 384KHz/32bit |
| WAV | 384KHz/32bit |
| WMA Lossless | 192KHz/24bit |
9. Maintenance
- Keep the surface clean and avoid scratches.
- Store and display the device in a dry location.
- Gently wipe the device with a soft cloth for cleaning.
10. Troubleshooting (FAQs)
- Q: What should I do if there are surface scratches?
- A: Gently wipe with a soft cloth.
- Q: What should I do if the joints are stiff?
- A: Apply appropriate lubrication.
- Q: How can I adjust the figure if it cannot stand upright?
- A: Adjust the base angle accordingly.
11. User Tips
- To maximize battery life, adjust the screen brightness and screen-off time in the system settings.
- Experiment with the different sound effects and filters to find your preferred audio profile.
- Regularly check for OTA updates to ensure your device has the latest features and performance improvements.
- For optimal sound quality, use high-resolution audio files and quality headphones.
12. Support
For detailed instructions and further assistance, please refer to the official user manual available in PDF format:
For any other inquiries or technical support, please contact your retailer or the manufacturer directly.