1. Introduction
Thank you for choosing the Sansui W55 Bluetooth 5.4 TWS Earbuds. These earbuds combine 80 years of Sansui's acoustic expertise with modern technology to deliver a superior audio experience. Engineered for precision, comfort, and seamless connectivity, the W55 earbuds are designed to enhance your music, calls, and daily activities. This manual provides detailed instructions on how to set up, operate, and maintain your new earbuds.
2. Package Contents
Please check the box for the following items:
- Sansui W55 TWS Earbuds
- Charging Case
- Charging Cable (Type-C)
- User Manual
3. Setup
3.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case.
- Insert the earbuds into the charging case.
- Connect the Type-C charging cable to the charging port on the case and a 5V/0.5A power source.
- The charging case features an intelligent digital display that shows the real-time battery status.
- Charging Time: Approximately 1 hour for earbuds, 2 hours for the charging case.
- A fully charged case can recharge the earbuds approximately 3 times.
3.2 Pairing with Your Device
The Sansui W55 earbuds utilize Bluetooth 5.4 technology for fast and stable connections.
- Ensure the earbuds are charged and inside the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings and search for available devices.
- Select "Sansui W55" from the list to connect.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
4. Operating Instructions
4.1 Wearing the Earbuds
The W55 earbuds are ergonomically designed for comfort and a snug fit. Choose the appropriate ear tips for maximum comfort and optimal sound quality.
4.2 Touch Controls
The Sansui W55 earbuds feature simple touch controls for easy management of music and calls:
| Function | Action |
|---|---|
| Game Mode Switching | Double click the L/R touch area |
| Volume +/- | Single click the L/R touch area |
| Pause/Play | Double click the L/R touch area |
| Answer/Hang Up Call | Double click the L/R touch area |
| Activate Voice Assistant | Long press for 2 seconds on L/R touch area (requires phone support) |
| Previous/Next Track | Triple click the L/R touch area |
4.3 ENC Call Noise Cancellation
The W55 earbuds are equipped with double dual-channel ENC (Environmental Noise Cancellation) microphones. This technology actively filters out background sounds, ensuring crystal-clear call quality even in noisy environments.
5. Maintenance
5.1 Waterproof Rating
The Sansui W55 earbuds have an IPX4 waterproof rating, protecting them against splash damage from sweat and raindrops. This makes them suitable for sports and everyday use. Please note: The charging case is NOT waterproof.
5.2 Cleaning and Storage
- Regularly clean the earbuds and charging contacts with a dry, soft cloth.
- Avoid using abrasive cleaners or solvents.
- Store the earbuds and case in a cool, dry place away from extreme temperatures and direct sunlight.
6. Troubleshooting
If you encounter any issues with your Sansui W55 earbuds, please refer to the following common solutions:
- No Sound/Connection Issues:
- Ensure both earbuds are charged.
- Turn off and on your device's Bluetooth, then try pairing again.
- Forget "Sansui W55" from your device's Bluetooth list and re-pair.
- Place earbuds back in the case, close the lid, wait a few seconds, then open to reset.
- One Earbud Not Working:
- Ensure both earbuds are charged.
- Try resetting the earbuds by placing them in the charging case and then taking them out.
- Re-pair the earbuds with your device.
- Poor Sound Quality/Low Bass:
- Ensure the earbuds are properly seated in your ears. Try different sized ear tips for a better seal.
- Check the audio source quality.
- Clean any debris from the earbud grilles.
- Charging Problems:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging port is clean and free of debris.
- Try a different charging cable or power adapter.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Sansui |
| Model | W55 |
| Bluetooth Version | 5.4 |
| Speaker Specification | Φ13mm Driver Diameter |
| Audio Decoding | AAC, SBC |
| Playback Time (Single Charge) | Approx. 5-6 hours |
| Total Battery Life (with Case) | Up to 48 hours |
| Talking Time | Approx. 4 hours |
| Headset Battery Capacity | 40mAh |
| Charging Case Battery Capacity | 400mAh |
| Charging Time (Headset) | Approx. 1 hour |
| Charging Time (Case) | Approx. 2 hours |
| Charging Port | Type-C (5V/0.5A) |
| Waterproof Level | Headset: IPX4; Charging Case: Not waterproof |
| Maximum Wireless Range | 10m-20m |
| Sound Isolating | Yes |
| Earcups Type | Sealed |
| Max Output | 5mW |
| Impedance Range | Up to 32 Ω |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 118dB |
| Resistance | 25 Ω |
| Microphone | Yes (with ENC) |
| Control Button | Yes |
| Volume Control | Yes |
| Vocalism Principle | Dynamic |
| Communication | True Wireless |
| Material | Metal, ABS |
8. User Tips
To get the best experience from your Sansui W55 earbuds, consider the following:
- Optimal Fit for Sound Quality: Experiment with different ear tip sizes to find the best seal for your ears. A good seal is crucial for rich bass and overall sound clarity.
- Clear Call Quality: Ensure the microphones are not obstructed during calls. For best ENC performance, try to speak clearly and avoid extremely noisy environments if possible.
- Battery Management: Keep an eye on the digital battery display on the charging case to avoid unexpected power drain, especially before long trips.
- Touch Control Familiarity: Practice the touch controls to become familiar with the different gestures for music playback, call management, and voice assistant activation.
9. Warranty and Support
Sansui products are built with quality and reliability in mind. For any warranty claims or technical support, please refer to the contact information provided by your retailer or visit the official Sansui website. Keep your proof of purchase for warranty service.