1. Introducció
This manual provides detailed instructions for the operation and maintenance of your HIFI WALKER H20 Pro Hi-Res MP3 Player. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize your audio experience.
2. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- HIFI WALKER H20 Pro MP3 Player
- Targeta SD de 128 GB
- Cable de càrrega USB tipus C
- Manual d'usuari
- Bossa d'emmagatzematge

Image: Contents of the HIFI WALKER H20 Pro package.
3. Dispositiu acabatview
The HIFI WALKER H20 Pro features a robust design with intuitive controls and versatile connectivity.
3.1 Característiques físiques
- 3.2-inch Full Touchscreen: Per a la navegació i el control.
- ALPS Mechanical Volume Knob: Provides precise and responsive volume control.
- Botons físics: For power, play/pause, and track navigation.
- Sortida d'un sol extrem de 3.5 mm: Presa d'auriculars estàndard.
- Sortida equilibrada de 4.4 mm: For enhanced audio quality with compatible headphones.
- Port USB tipus C: Per a la càrrega, la transferència de dades i la funcionalitat DAC USB.

Imatge: Anvers i revers view of the HIFI WALKER H20 Pro.

Imatge: Detallada view of the H20 Pro's audio output ports and USB-C port.

Image: The H20 Pro's touchscreen and side controls.
4. Configuració
4.1 Càrrega del dispositiu
Before first use, fully charge the H20 Pro. Connect the included USB Type-C cable to the device and a compatible USB power adapter (not included) or a computer's USB port. The charging indicator will show the charging status.

Image: The H20 Pro connected for charging.
4.2 Inserció de la targeta Micro SD
The H20 Pro supports Micro SD cards up to 512GB. A 128GB SD card is included. Locate the Micro SD card slot on the device. Gently insert the card with the gold contacts facing down until it clicks into place. To remove, push the card in slightly until it springs out.

Image: Inserting a Micro SD card into the H20 Pro.
4.3 Engegada/apagada
- Per encendre: Premeu i manteniu premut el botó d'engegada fins que la pantalla s'il·lumini.
- Per apagar: Press and hold the Power button, then select 'Power Off' on the screen. A short press of the Power button will turn the screen on/off during operation.
4.4 Configuració inicial
Upon first power-on, you may be prompted to select your preferred language and set the date and time. Follow the on-screen instructions.
5. Instruccions de funcionament
5.1 Navegació bàsica
Navigate the H20 Pro using the 3.2-inch touchscreen. Swipe to scroll through menus and tap to select options. The physical buttons on the side provide quick access to power, play/pause, and track skipping.
5.2 Reproducció de música
The H20 Pro supports a wide range of high-resolution audio formats, including FLAC, WAV, APE, DSF, DFF, ISO, M4A, and MP3. It also features gapless playback for seamless transitions between tracks.
- Browsing Music: Access your music library through categories like Artist, Album, Genre, or Folder.
- Tocant música: Tap on a song to begin playback. Use the on-screen controls or physical buttons for play/pause, skip forward/backward.
- Control de volum: Adjust the volume using the ALPS mechanical rotary knob on the side of the device.

Image: The H20 Pro's music playback interface and supported audio formats.
5.3 Connectivitat Bluetooth
The H20 Pro features bi-directional Bluetooth 5.1, allowing it to act as both a transmitter and a receiver. It supports high-quality codecs such as LDAC, aptX, AAC, and SBC.
- Transmitter Mode (Connecting to Bluetooth Headphones/Speakers):
- Go to Bluetooth settings on the H20 Pro.
- Enable Bluetooth and scan for devices.
- Poseu els auriculars o l'altaveu Bluetooth en mode d'emparellament.
- Select your device from the list to connect.
- Receiver Mode (Using H20 Pro as a Bluetooth DAC):
- In Bluetooth settings, enable receiver mode.
- On your smartphone or other source device, search for the H20 Pro and connect.
- Audio from your source device will now play through the H20 Pro's outputs.

Image: The H20 Pro demonstrating Bluetooth connectivity with various devices.
5.4 Wired Audio Output
The H20 Pro offers both standard and balanced headphone outputs for optimal audio quality.
- Sortida d'un sol extrem de 3.5 mm: Connect standard headphones or earphones to this port.
- Sortida equilibrada de 4.4 mm: Use this port with balanced headphones for improved channel separation, lower noise floor, and increased power output.

Image: Dual audio outputs for single-ended and balanced connections.
5.5 Configuració de so
Customize your listening experience with the H20 Pro's sound adjustment features.
- Equalitzador (EQ): Access various preset EQ options (e.g., Rock, Classic, Jazz, Pop, Dance, Voice, Blues, Metal) or create custom settings to tailor the sound to your preference.
- MSEB EQ System: Utilize the advanced MSEB (Mage Sound 8-Ball) system for fine-tuning sound characteristics like overall temperature, bass extension, vocal thickness, and sibilance.

Image: The H20 Pro's MSEB sound adjustment interface.

Image: Available equalizer presets on the H20 Pro.
5.6 File Transferència
Transfer music and other files to your H20 Pro using the following methods:
- Connexió USB: Connect the H20 Pro to your computer using the USB Type-C cable. The device will appear as a removable storage drive, allowing you to drag and drop files.
- Wi-Fi (HiBy Music App): The H20 Pro is compatible with the HiBy Music app. Connect the player to a Wi-Fi network and use the HiByLink feature within the app for wireless music transfer and remote control.
- Funció OTG: The device supports OTG (On-The-Go) functionality, allowing direct connection to other USB storage devices for file transfer (requires an OTG adapter, not included).

Image: The H20 Pro in USB mode, connected to a computer.

Image: HiBy Music app compatibility for wireless control and transfer.

Image: The H20 Pro utilizing its OTG function for external storage.
5.7 Altres funcions
- E-book Function: The device supports reading e-books. Access this feature from the main menu.
- Apagada inactiva: Configure the device to automatically shut down after a period of inactivity to conserve battery.
- Screen Time Settings: Ajusteu la durada del temps d'espera de la pantalla.

Image: The H20 Pro's e-book reading feature.
6. Manteniment
6.1 Neteja del dispositiu
Use a soft, dry, lint-free cloth to clean the device. Avoid using abrasive cleaners, solvents, or aerosol sprays that may damage the surface or internal components.
6.2 Cura de la bateria
To prolong battery life, avoid exposing the device to extreme temperatures. Charge the device regularly, but avoid leaving it fully discharged for extended periods. If storing the device for a long time, charge it to approximately 50%.
6.3 actualitzacions de microprogramari
Periodically check the official HIFI WALKER website for available firmware updates. Updates can improve performance, add new features, and resolve issues. Follow the instructions provided with the firmware update carefully.
7. Solució De Problemes
If you encounter issues with your HIFI WALKER H20 Pro, refer to the following common problems and solutions:
- El dispositiu no s'encén:
Assegureu-vos que el dispositiu estigui completament carregat. Connecteu-lo a una font d'alimentació i espereu uns minuts abans d'intentar tornar-lo a encendre. Si el problema persisteix, proveu un cable o adaptador de càrrega diferent. - Bluetooth connection is unstable or audio is choppy:
Try resetting the Bluetooth connection on both the H20 Pro and the connected device. Ensure there are no obstructions between the devices and that they are within the effective range. Update the device firmware if available. - Album art or screen saver displays incorrectly:
Ensure your album art files are correctly embedded within your music files or placed in the same folder as the music. Some display issues may be resolved with firmware updates. - Equalizer settings reset after device sleeps:
This may be a software behavior. Check for firmware updates that might address this. Re-enable your preferred EQ settings after powering up the device. - Corrupted Micro SD card:
If the included SD card is corrupted, try formatting it on a computer or replacing it with a new Class 10 or higher Micro SD card. Ensure the card is properly inserted. - Back glass cracking:
The device features a glass back panel. To prevent damage, handle the device with care and consider using a protective case. Avoid placing it under pressure or in environments with extreme temperature fluctuations.
8. Especificacions
Key technical specifications for the HIFI WALKER H20 Pro:
| Característica | Especificació |
|---|---|
| Nom del model | H20 Pro |
| Xips DAC | Dual ES9219C |
| Suport d'àudio d'alta resolució | DSD256, 32bit/192kHz |
| Versió Bluetooth | 5.1 (Bi-directional) |
| Còdecs Bluetooth | LDAC, aptX, AAC, SBC |
| Sortides d'àudio | 3.5 mm d'una sola punta, 4.4 mm balancejat |
| Mida de la pantalla | 3.2 polzades |
| Memòria interna | None (relies on Micro SD) |
| Memòria ampliable | Micro SD fins a 512 GB |
| Tecnologia de connectivitat | Wi-Fi, USB tipus C |
| Bateria | 1 polímer de liti (inclòs) |
| Pes de l'article | 3.52 unces |
| Dispositius compatibles | Windows XP/Vista, Win7/8.1/10, macOS 10 and above |

Image: Dual ESS ES9219C DAC chips for high-fidelity audio.

Image: Detailed specifications for high-resolution audio performance.
9. Garantia i Suport
9.1 Informació de la garantia
The HIFI WALKER H20 Pro comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms, conditions, and duration. Keep your proof of purchase for warranty claims.
9.2 Atenció al client
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact HIFI WALKER customer support. Contact details can typically be found on the official HIFI WALKER weblloc web o a la targeta de garantia.





