Gabatarwa
The Surfans F28 is a high-fidelity portable music player designed to deliver an immersive audio experience. Featuring dual ESS9018 DACs, a 4.4mm balanced output, and comprehensive Bluetooth 5.2 support including LDAC and aptX HD, the F28 supports a wide range of lossless audio formats. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your device to ensure optimal performance and longevity.

Hoto 1: Gaba da baya view of the Surfans F28 HiFi Music Player.
Abubuwan Kunshin
Da fatan za a tabbatar cewa duk abubuwan da aka jera a ƙasa suna nan a cikin kunshin ku:
- 1x Surfans F28 HiFi Music Player
- 1x USB-C Cajin Cajin
- 1x 128GB Micro SD Card (pre-installed or included separately)
- 1 x Manual mai amfani (wannan takarda)

Figure 2: Illustration of typical package contents.
Samfurin Ƙarsheview
Familiarize yourself with the various components and controls of your F28 music player.
Mabuɗin fasali:
- Dual ESS9018 DACs: For high-resolution audio decoding and minimal distortion.
- Ma'aunin Ma'auni na 4.4mm: Provides enhanced audio quality and power for demanding headphones.
- Fitowar Ƙarshen Ɗaya ta 3.5mm: Standard audio output for common headphones.
- Bluetooth 5.2 mai jagora biyu: Supports LDAC and aptX HD for high-quality wireless audio transmission and reception.
- 3.5-inch IPS Touchscreen: Don kewayawa da hankali da sarrafawa.
- ALPS Analog Volume Knob: For precise volume adjustments.
- Ma'ajiya Mai Faɗawa: Supports Micro SD cards up to 512GB.
- Kebul na USB-C: Don caji da canja wurin bayanai.

Figure 3: The F28 player showcasing its display and audio capabilities.

Figure 4: The dual ESS9018K2M DAC chips, central to the F28's high-fidelity audio.

Figure 5: Top panel with 4.4mm balanced and 3.5mm single-ended audio outputs, and the ALPS analog volume knob.
Saita
1. Cajin Na'urar
Before first use, fully charge the F28. Connect the included USB-C cable to the player's USB-C port and the other end to a USB power adapter (5V/1A recommended) or a computer's USB port. The charging indicator will show the charging status. A full charge typically takes several hours.
2. Saka Micro SD Card
The F28 supports Micro SD cards up to 512GB. Locate the Micro SD card slot on the bottom of the device. Gently insert the Micro SD card with the gold contacts facing down until it clicks into place. To remove, push the card in slightly until it springs out.

Figure 6: Inserting the Micro SD card and connecting via USB-C for data transfer.
3. Canja wurin Kiɗa Files
Connect the F28 to your computer using the USB-C cable. The player will appear as a removable storage device. You can then drag and drop your music files directly into the Micro SD card's folders. The F28 supports various lossless formats including DSD (DSF/DFF), FLAC/WAV (up to 384kHz), AIFF/APE, as well as MP3/AAC.

Figure 7: Supported audio file formats for the F28 player.
Umarnin Aiki
1. Kunnawa / Kashewa
- Kunna Wuta: Danna ka riƙe maɓallin wuta (wanda yake a gefe) har sai allon ya haskaka.
- Kashe Wuta: Press and hold the power button until a power-off prompt appears, then confirm.
2. Navigation na asali
The F28 features a 3.5-inch IPS touchscreen for primary navigation. Swipe gestures and taps are used to select options and move between menus. Physical buttons on the side provide additional control for playback (play/pause, next/previous track) and menu navigation.
3. Sake kunna kiɗan
From the main menu, select "My Music" or "Folder" to browse your audio files. Tap on a song to begin playback. The playback screen displays track information, progress, and playback controls.
4. Sarrafa ƙara
Adjust the volume using the gold-colored ALPS analog knob located on the top right of the device. Rotate clockwise to increase volume and counter-clockwise to decrease. The volume level will be displayed on the screen.
5. Haɗin Bluetooth
The F28 supports Bidirectional Bluetooth 5.2 with LDAC and aptX HD codecs for high-quality wireless audio. To pair with Bluetooth headphones or speakers:
- Go to "System Settings" and select "Bluetooth".
- Kunna Bluetooth.
- The player will scan for available devices. Select your device from the list to pair.
The F28 can also act as a Bluetooth receiver, allowing you to stream audio from your phone or PC to the player.

Figure 8: The F28 features a Bluetooth 5.2 chip for stable and high-quality wireless connections.
6. Saitunan daidaitawa
The F28 includes an equalizer to customize your sound. Navigate to the "Equalizer" option in the settings. You can choose from various presets or create a custom sound profile by adjusting the frequency bands.

Figure 9: Customizing audio with the built-in equalizer.
7. Haɗa zuwa na'urorin waje
Use the 4.4mm balanced or 3.5mm single-ended output to connect to headphones, amplifiers, or speakers. The USB-C port also supports USB DAC functionality, allowing the F28 to act as an external sound card for your computer.

Figure 10: The F28 can be connected to various audio systems, including acting as a USB DAC for computers.
Kulawa
- Tsaftacewa: Yi amfani da laushi, bushe bushe don tsaftace na'urar. Kauce wa amfani da abin goge goge ko kaushi.
- Ajiya: Ajiye mai kunnawa a wuri mai sanyi, busasshiyar nesa da hasken rana kai tsaye da matsanancin zafi.
- Kulawar Baturi: To prolong battery life, avoid fully discharging the battery frequently. If storing for extended periods, charge the battery to about 50% every few months.
Shirya matsala
| Matsala | Dalili mai yiwuwa | Magani |
|---|---|---|
| Na'urar baya kunnawa. | Ƙananan baturi; na'urar daskararre. | Charge the device for at least 30 minutes. If still unresponsive, try holding the power button for 10-15 seconds for a hard reset. |
| Touchscreen is unresponsive or slow. | Temporary software glitch; screen protector interference. | Restart the device. Ensure the screen is clean and free of debris. If using a screen protector, ensure it is properly applied and not too thick. |
| Abubuwan haɗin haɗin Bluetooth. | Device not in pairing mode; distance; interference. | Ensure both devices are in pairing mode and within range. Turn off and on Bluetooth on both devices. Clear previous pairings if necessary. |
| Low volume via Bluetooth. | Volume settings on both devices; codec compatibility. | Increase volume on both the F28 and the connected Bluetooth device. Ensure optimal codec (LDAC/aptX HD) is selected if supported by the receiving device. |
| Kiɗa files not recognized or played in incorrect order. | Cin hanci da rashawa files; file system indexing issue. | Tabbatar files are in supported formats. Re-scan the music library from the player's settings. If issues persist, try reformatting the Micro SD card (backup data first) and re-transferring files. Note: Some players may sort by filename alphabetically rather than track number metadata. |
Ƙayyadaddun bayanai
| Siffar | Daki-daki |
|---|---|
| Sunan Samfura | F28 128G |
| Girman samfur | 0.7 x 2.6 x 4.7 inci |
| Nauyin Abu | 9.6 oz |
| DAC Chip | Dual ESS9018K2M |
| Tsarin Sauti masu goyan baya | DSD (DSF/DFF), FLAC/WAV (up to 384kHz/32-bit), AIFF/APE, MP3/AAC, WMA Lossless |
| Sigar Bluetooth | 5.2 (Bidirectional, supports LDAC/aptX HD) |
| Girman allo | 3.5 Inches IPS Touchscreen |
| Ma'ajiyar Ciki | 128GB (included Micro SD card) |
| Ma'ajiyar Faɗawa | Up to 512GB via Micro SD card |
| Baturi | 1x 12V battery (included), approx. 12-hour playback |
| Fitar Tashoshi | 4.4mm Balanced, 3.5mm Single-Ended |
| Fasahar Haɗuwa | Aux, Bluetooth 5.2, USB-C |
| Siffa ta Musamman | Mai daidaitawa |
Garanti da Taimako
For warranty information and technical support, please refer to the official Surfans website ko tuntuɓi sabis na abokin ciniki kai tsaye. Ajiye rasidin siyan ku azaman shaidar siyan don da'awar garanti.
You can visit the official Surfans Store on Amazon for more information and support: Surfans Audio Store