1. Introduction
Thank you for choosing the SANSUI F77 Portable Wireless Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your device. Please read it carefully before use to ensure optimal performance and longevity.
Video: SANSUI F77 Portable Bluetooth Speaker overview and features.
2. Package Contents
Please check the box for the following items:
- SANSUI F77 Portable Wireless Bluetooth Speaker
- USB Charging Cable
- User Manual (this document)
- Removable Lithium Battery (may be pre-installed)
3. Setup
3.1. Battery Installation and Charging
- Install Battery: If the battery is not pre-installed, open the battery compartment cover on the back of the speaker. Insert the provided lithium battery, ensuring correct polarity. Close the cover securely.
- Initial Charge: Before first use, fully charge the speaker. Connect the USB charging cable to the speaker's charging port and the other end to a DC 5V/1A USB power adapter (not included). The charging time is approximately 5-6 hours.
Image: Back panel of the SANSUI F77 speaker showing the removable lithium battery compartment.
3.2. Antenna Extension
For optimal FM radio reception, extend the telescopic antenna located on the top of the speaker.
Image: SANSUI F77 speaker with its external antenna extended for improved signal reception.
4. Operating Instructions
4.1. Power On/Off
Press and hold the power button (usually marked with a power symbol) to turn the speaker on or off. The display screen will illuminate when powered on.
4.2. Bluetooth Pairing
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing Bluetooth icon or 'BLUE' on the display.
- On your mobile device, enable Bluetooth and search for available devices.
- Select 'SANSUI F77' from the list. Once connected, the speaker will emit a confirmation sound, and the Bluetooth indicator will stop flashing.
Image: SANSUI F77 speaker connected via Bluetooth to a smartphone.
4.3. FM Radio Operation
- Extend the external antenna for better reception.
- Press the 'M' button to switch to FM Radio mode.
- Use the number pad for direct frequency input (e.g., for 105.0 MHz, enter 1-0-5-0).
- Alternatively, use the 'Previous' and 'Next' track buttons to scan for stations.
Image: Using the number pad for direct access to radio stations or songs.
4.4. USB Drive / TF Card Playback
- Insert a USB flash drive or TF (MicroSD) card into the respective slot on the side of the speaker.
- The speaker will automatically detect the storage device and begin playing audio files.
- Use the playback controls (play/pause, previous/next track) to manage your music.
Image: SANSUI F77 speaker demonstrating USB, TF card, and headphone connections.
4.5. AUX Input
Connect an external audio device (e.g., MP3 player, smartphone) to the speaker's AUX port using a 3.5mm audio cable (not included). The speaker will automatically switch to AUX mode.
4.6. Headphone Output
Plug 3.5mm headphones into the headphone jack for private listening.
4.7. Volume Control
Adjust the volume using the dedicated volume knob or buttons on the side of the speaker.
Image: Side panel of the SANSUI F77 speaker with various ports and volume control.
4.8. Sound Modes
The speaker supports various sound modes including Hi-Res Sound Mode, 3D Surround Sound Mode, Immersive Sound Mode, Stereo Sound Mode, Smart Sound Mode, Live Sound Mode, and Extra Bass Mode. Refer to the device interface for switching between these modes.
4.9. Voice Control
The SANSUI F77 supports voice control. Activate it by pressing the designated voice control button (if available) or through specific voice commands, depending on the connected device.
5. Maintenance
5.1. Cleaning
Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners, alcohol, or solvents, as these may damage the surface.
5.2. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. If storing the speaker for an extended period, charge it to about 50% and recharge every few months.
5.3. Storage
Store the speaker in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on | Low battery; Battery not installed correctly | Charge the speaker; Reinstall the battery ensuring correct polarity |
| No sound | Volume too low; Incorrect mode selected; Device not connected | Increase volume; Switch to correct input mode (Bluetooth, FM, USB, AUX); Reconnect device |
| Bluetooth not connecting | Speaker not in pairing mode; Device too far; Interference | Ensure speaker is in pairing mode; Move device closer; Avoid sources of interference |
| Weak FM radio signal | Antenna not extended; Poor reception area | Fully extend the telescopic antenna; Move to an area with better signal reception |
7. Specifications
Image: Detailed product parameters for the SANSUI F77 speaker.
| Feature | Specification |
|---|---|
| Model | F77 |
| Bluetooth Version | 5.3 |
| Transmission Range | 10m - 20m (approx. 10 meters) |
| Product Size | 95 x 31 x 61 mm |
| Signal-to-noise ratio | ≥70dB |
| Frequency Response | 100Hz-18KHz |
| Speaker Parameters | 1.5 inches |
| Rated Power | 5W |
| PMPO | 28W |
| Battery Capacity | 1200mAh |
| Playback Time | Approx. 4-6 hours (with full charge) |
| Charging Voltage | DC 5V/1A |
| Charging Time | 5-6 hours |
| FM Radio Frequency Range | 76-108MHz |
| Input/Output | AUX, USB, TF Card, Headphone Output |
| Power Source | Battery, USB |
| Material | Plastic, Metal |
| Sound Modes | Hi-Res, 3D Surround, Immersive, Stereo, Smart, Live, Extra Bass |
| Voice Control | Yes |
| Waterproof | No |
| Support APP | Yes |
| Display Screen | Yes |
| Built-in Microphone | No |
| Audio Crossover | Full-Range |
| Channels | 2 (2.0) |
| Codecs | Apt-X HD |
| Impedance | 2-4 Ohm |
| Certification | CE |
8. User Tips
- For outdoor use, utilize the lanyard design for easy portability and to prevent accidental drops.
- To maximize FM radio signal strength, ensure the external antenna is fully extended and try different orientations.
- When using a USB drive or TF card, ensure audio files are in a compatible format (e.g., MP3).
- The speaker's high-quality, high-sensitivity internal magnet speaker provides dynamic sound. Experiment with different sound modes to find your preferred audio experience.
Image: SANSUI F77 speaker with lanyard, ideal for portable travel.
Image: Internal magnet speaker design for dynamic sound quality.
9. Frequently Asked Questions (FAQ)
- Q: Does the speaker have a built-in microphone?
- A: No, the SANSUI F77 does not have a built-in microphone.
- Q: Is the speaker waterproof?
- A: No, the SANSUI F77 is not waterproof.
- Q: What is the Bluetooth version?
- A: The speaker uses Bluetooth 5.3 for efficient and stable wireless connection.
- Q: Can I use headphones with this speaker?
- A: Yes, the speaker features a 3.5mm headphone output jack for private listening.
10. Warranty and Support
For detailed warranty information, product registration, and technical support, please refer to the official user manual available as a PDF document. This document contains comprehensive information regarding your product's warranty terms and how to obtain support.
Official User Manual (PDF): Click here to view the PDF manual