Introduction
The SHANLING M6 Ultra is a high-fidelity portable digital audio player designed to deliver exceptional sound quality and a versatile user experience. Featuring an open Android 10 system, powerful processing, advanced DAC architecture, and comprehensive connectivity options, the M6 Ultra is built for discerning audio enthusiasts. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.
What's in the Box
- 1 X SHANLING M6 Ultra MP3/MP4 Player
- 1 X Instructions (this manual)
- 1 X Warranty Card
- 1 X USB A to Type-C cable
- 2X Protective Film
Product Overview

Image: Front view of the SHANLING M6 Ultra Digital Audio Player.

Image: The SHANLING M6 Ultra features a 5-inch 1920x1080 LCD high-definition screen with a floating design for an outstanding visual experience.

Image: A user holding the SHANLING M6 Ultra, showcasing its portable form factor.
Key Features
- High-Resolution Audio: Supports DSD512 and 768kHz/32bit audio formats for pristine sound reproduction.
- Advanced DAC Architecture: Equipped with 4x AK4493SEQ DAC chips in a QUAD-DAC parallel configuration, utilizing OPA1612 and OPA2211 op-amps for a four-channel fully balanced output with low noise and high bandwidth.
- Powerful Processor: Features a Legendary Octa-Core Snapdragon 665 processor for smooth system performance and application handling.
- Open Android 10 System: Provides a fully open Android 10 experience with AGLO (Android Global Lossless Output) technology for correct and full-quality music processing. Supports DLNA, Airplay, and NAS.
- Dual WiFi & High-Speed Transmission: Qualcomm WCN 3980 WiFi module supports 2.4G/5G dual-band WiFi and MIMO technology for stable data transmission.
- Bluetooth 5.0: Supports a wide range of Bluetooth codecs including LDAC, LHDC, aptX HD, aptX, and SBC for both transmitting and receiving.
- MQA Support: Full 16X MQA (Master Quality Authenticated) support for studio-quality sound.
- Ample Storage: 4GB RAM and 64GB ROM, expandable up to 2TB via memory card.
Setup
1. Initial Charge
Before first use, fully charge your SHANLING M6 Ultra using the provided USB A to Type-C cable and a compatible USB power adapter (not included). The device features a 5650mAh battery.

Image: Visual representation of the M6 Ultra's 5650mAh battery capacity and output power for single-ended and balanced connections.
2. Power On/Off
- Power On: Press and hold the Power button until the screen illuminates.
- Power Off: Press and hold the Power button, then select 'Power Off' from the on-screen options.
3. Insert MicroSD Card
Locate the MicroSD card slot on the side of the device. Gently insert your MicroSD card (up to 2TB supported) until it clicks into place. The device will automatically detect the card.
4. Initial Configuration
Upon first boot, follow the on-screen prompts to select your language, connect to a Wi-Fi network, and configure basic Android settings.
Video: This official SHANLING video demonstrates how to switch languages on SHANLING DAP devices running the Snapdragon 665 platform, which includes the M6 Ultra.
Operating Instructions
1. Basic Navigation
The M6 Ultra operates on an open Android 10 system with a 5-inch touchscreen. Navigate through menus and applications by tapping, swiping, and using the physical buttons for volume, playback control, and power.
2. Music Playback
- Transfer Music: Connect the M6 Ultra to your computer via the USB-C cable and transfer audio files to the internal storage or MicroSD card.
- Supported Formats: The device supports a wide array of audio formats including DSD, ISO, DXD, APE, FLAC, WAV, AIFF, MP3, MP4, WMA, AAC, OGG, ALAC, MQA, and more.
- MQA Playback: The M6 Ultra supports 16X MQA unfolding, allowing you to enjoy Master Quality Authenticated audio files at their full resolution.

Image: The SHANLING M6 Ultra screen showing active MQA playback, indicating its support for high-resolution audio.
3. Bluetooth Connectivity
The M6 Ultra features Bluetooth 5.0 with support for various high-quality codecs for both transmitting and receiving audio.
- Pairing: Go to Settings > Connected devices > Bluetooth. Turn on Bluetooth and select 'Pair new device' to connect to your Bluetooth headphones or speakers.
- Supported Codecs (Transmitter): LDAC, LHDC, aptX HD, aptX, SBC.
- Supported Codecs (Receiver): LDAC, SBC.

Image: The SHANLING M6 Ultra screen highlighting its Bluetooth 5.0 and 2.4G/5G Wi-Fi capabilities with MIMO technology.
Video: This video, though for a different player (Surfans F20), demonstrates the general process of Bluetooth pairing from the device's system settings, a similar process to the SHANLING M6 Ultra.
4. Wi-Fi Connectivity
Connect to Wi-Fi for streaming services, firmware updates, and other online features.
- Connecting: Go to Settings > Network & internet > Wi-Fi. Select your desired network and enter the password.
- Dual-Band Support: Supports 2.4G/5G dual-band Wi-Fi with MIMO technology for enhanced stability.
5. Android 10 System
The open Android 10 system allows for installation of various apps from the Google Play Store. SHANLING's AGLO technology ensures that all audio output from any app is processed losslessly.

Image: An exploded view of the SHANLING M6 Ultra's internal components, highlighting the 4x AK4493SEQ DACs, Snapdragon 665 CPU, and Android 10 system.
Video: This video, for the HiBy R4, showcases features like the Snapdragon 665 SoC and Android 12 system, which are similar to the M6 Ultra's Snapdragon 665 and Android 10, demonstrating the device's processing power and operating system capabilities.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid harsh chemicals or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the device frequently and do not leave it uncharged for extended periods.
- Software Updates: Regularly check for firmware updates to ensure optimal performance and access to new features. Updates can typically be found in the device's settings menu.
Troubleshooting
- Device Not Powering On: Ensure the device is fully charged. If the issue persists, try a different charging cable or adapter.
- No Sound: Check volume levels, headphone connection, and ensure the correct output mode (single-ended or balanced) is selected. Verify that the audio file is not corrupted.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both devices. Try unpairing and re-pairing the devices. Keep devices within close range.
- Wi-Fi Connectivity Problems: Verify Wi-Fi is enabled and you are connected to the correct network. Restart the device and your router if necessary.
- Slow Performance/App Crashes: Close unnecessary background applications. Clear cache for problematic apps. Consider a factory reset if issues persist (back up your data first).
Specifications
| Feature | Specification |
|---|---|
| Size | 127mm*77mm*18mm |
| Weight | 263 g |
| Screen | 5-inch 1920*1080 LCD high-definition screen |
| System | Open Android 10 system |
| Processor | Octa-Core Snapdragon 665 |
| RAM | 4GB |
| ROM | 64GB (expandable up to 2TB via MicroSD card) |
| DAC Chip | 4*AK4493SEQ DAC |
| Supported Audio Formats | DSD (.iso, .dsf, .dff) / ISO / DXD / APE / FLAC / WAV / AIFF / AlF / DTS / MP3 / MP4 / WMA / AAC / OGG / ALAC / MP2 / M4A / AC3 / M3U / M3U8 / OPUS |
| Supported Specifications | 768 kHz/32 bit, DSD 512 |
| MQA Support | 16X MQA |
| Bluetooth Version | 5.0 |
| Bluetooth Transmitter Support | LDAC / LHDC / aptX HD / aptX / SBC |
| Bluetooth Receiving Support | LDAC / SBC |
| WiFi Standard | 2.4G/5G (Qualcomm WCN 3980 module with MIMO) |
| Single Output Power (High Gain) | 240mW @32Ω |
| Balanced Output Power (High Gain) | 720mW @32Ω |
| Output Impedance | Less than 1Ω |
| Battery | 5650mAh Lithium Ion (included) |
Warranty and Support
SHANLING provides a 1-year maintenance service for the M6 Ultra. In case of any quality problems with the product, unconditional replacement will be provided. For technical consultation or after-sales service, please contact SHANLING customer support. They are available 24 hours a day to assist you with any questions or concerns.





