1. Introduction
Thank you for choosing the PHXIN T9S Motorcycle Helmet Bluetooth Headset. This device is designed to enhance your riding experience by providing seamless communication, entertainment, and navigation capabilities. With advanced Bluetooth 5.0 technology, noise reduction, and a robust waterproof design, the T9S ensures clear audio and reliable performance in various riding conditions. Please read this manual carefully before use to ensure proper operation and to maximize your enjoyment of the product.
2. Product Overview
2.1 Components
The PHXIN T9S package includes the following components:
- PHXIN T9S Main Unit
- 40mm Speakers (x2)
- Microphone for Half-Face Helmets
- Microphone for Full-Face Helmets
- USB Charging Cable
- 3M Plastic Base (for adhesive mounting)
- Fixed Base (Clip Mounting Bracket)

2.2 Key Features
- Bluetooth 5.0: Stable connection with reduced latency for an optimal riding experience.
- 2-Rider Intercom System: Communicate with a partner up to an ideal distance of 1200 meters (actual range 300-500 meters in real riding environments).
- Advanced Noise Reduction: CVC and DSP intelligent noise reduction effectively shield background and wind noise, ensuring clear calls even at speeds up to 120km/h.
- Universal Compatibility: Compatible with most Bluetooth devices on the market (excluding A2DP protocol with secret).
- Dual Phone Connectivity: Connect two mobile phones simultaneously for managing work and personal calls.
- Long Battery Life: Built-in 800mAh high-capacity lithium polymer battery provides up to 15 hours of talk time, 18 hours of music listening, and 350 hours of standby time.
- IP67 Waterproof: Designed to withstand rain and dust, allowing for use in various weather conditions.
- FM Radio: Built-in FM radio with automatic station search and storage for up to 6 channels.
- Intelligent Voice Assistant: Supports Siri, S-Voice, OK Google, and other voice assistants for hands-free control.
- HiFi Sound Quality: Equipped with 40mm high-end audio speakers for clear, round, and three-dimensional sound.
3. Specifications
| Feature | Specification |
|---|---|
| Item Type | Helmet Headset |
| Model Name | T9S |
| Connection Mode | Bluetooth |
| Bluetooth Version | 5.0 |
| Max Intercom Distance | Up to 1200m (ideal), 300-500m (real environment) |
| Max Number of Speakers | 2 (for intercom) |
| Applicable Helmet Type | Half Helmet, MODULAR, MOTOCROSS, Open face, Full Face, Flip Up Helmet, Universal |
| Power Supply Mode | Built-in Battery |
| Battery Capacity | 800mAh |
| Talk Time | Up to 15 hours |
| Listening Time | Up to 18 hours |
| Standby Time | Up to 350 hours |
| Waterproof Rating | IP67 |
| Noise Cancellation | CVC and DSP |
| External Testing Certification | CE, RoHS, FCC |
| Item Weight | 300g (approximate) |
| Product Dimensions (L x H x W) | 89mm x 46mm x 20mm |

4. Setup and Installation
Follow these steps to install your PHXIN T9S headset on your helmet:
- Choose Mounting Method:
- Clip Mounting Bracket (Fixed Base): Secure the clip to the edge of your helmet.
- 3M Plastic Base: For a more permanent attachment, use the adhesive 3M plastic base on a clean, flat surface of your helmet.
- Attach Main Unit: Slide the PHXIN T9S main unit onto the chosen mounting bracket until it clicks securely into place.
- Connect Speakers: Place the 40mm speakers inside your helmet, aligning them with your ears for optimal sound. Connect them to the main unit.
- Connect Microphone: Choose the appropriate microphone for your helmet type (half-face or full-face) and connect it to the main unit. Position the microphone close to your mouth for clear voice transmission.
- Cable Management: Route all cables neatly inside the helmet padding to avoid interference and ensure comfort.

5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button (usually the 'U' shaped button or the dedicated power button) for a few seconds until you hear a prompt or see indicator lights.
- Power Off: Press and hold the Power button again for a few seconds until you hear a power-off prompt or the indicator lights turn off.
5.2 Bluetooth Pairing with Smartphone
To connect your T9S headset to your smartphone:
- Ensure the T9S headset is turned off.
- Press and hold the Power button for 6-10 seconds without releasing. The red and blue indicator lights will flash alternately, indicating pairing mode.
- On your smartphone, open the Bluetooth settings.
- Search for available devices and select "T9S Ultra" from the list.
- Once connected, your phone will show a successful connection, and the headset's indicator light may change (e.g., slow blue flash).
5.3 Intercom Function (2 Riders)
The T9S supports a two-person intercom system. For specific instructions on pairing two T9S units together for intercom communication, please refer to the detailed intercom pairing section in the full product manual (if available) or the manufacturer's website, as the exact button sequence for unit-to-unit pairing is not provided here.

5.4 Phone Calls
When connected to your smartphone via Bluetooth:
- Answer Incoming Calls: Calls will be answered automatically, or you may press a designated button (refer to device buttons for call control).
- Hang Up: Press the designated button to end a call.
- Redial/Voice Dial: Use the designated button for redialing the last number or initiating voice dial.
5.5 Music Playback
After pairing with your smartphone, you can control music playback:
- Play/Pause: Use the designated button (often the power button or a central button).
- Next Song: Press the '+' button.
- Previous Song: Press the '-' button.
- Volume Adjustment: Use the '+' and '-' buttons for volume control.
5.6 FM Radio
The T9S features a built-in FM radio:
- Activate FM Radio: Press the designated FM button (if available) or a specific button combination.
- Automatic Search: The device can automatically search for and store up to 6 radio channels.
- Change Channels: Use the '+' and '-' buttons to cycle through stored or available stations.

5.7 Intelligent Voice Assistant
Access your smartphone's voice assistant (Siri, S-Voice, OK Google) directly from the headset:
- Activate Voice Assistant: Double-click the Volume '-' button.
- Once activated, you can issue commands such as "Answer incoming calls automatically", "Hang up/Redial/Voice dial", "Control music", "Dial out music", "Pause playback", "Previous song", "Next song", or ask for navigation and weather information.

6. Maintenance
- Cleaning: Use a soft, damp cloth to clean the main unit and speakers. Avoid using harsh chemicals or abrasive cleaners.
- Water Exposure: While IP67 waterproof, avoid prolonged submersion. Ensure the USB port cover is securely closed when not charging.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, charge the device regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
- Cable Care: Handle cables gently to prevent damage. Do not pull on the cables to disconnect.
7. Troubleshooting
- Device won't power on: Ensure the battery is charged. Connect to the USB charging cable and try again.
- Cannot pair with phone: Make sure the headset is in pairing mode (red and blue lights flashing alternately). Turn off and on your phone's Bluetooth, then try searching again. Ensure no other devices are actively connected to the headset.
- No sound from speakers: Check if the speakers are properly connected to the main unit. Ensure the volume is turned up on both the headset and your connected device.
- Intercom not working: Verify both units are powered on and within range. Ensure they are correctly paired for intercom communication (refer to specific intercom pairing instructions).
- Poor sound quality/noise: Ensure the microphone is positioned correctly and not obstructed. Check for strong wind noise; the CVC/DSP noise reduction should help, but extreme conditions can still affect clarity.
- Short battery life: Ensure the device is fully charged before use. Battery life can be affected by extreme temperatures or continuous high-volume usage.
8. User Tips
- Optimal Microphone Placement: For the best call clarity and voice assistant performance, ensure the microphone is positioned as close to your mouth as possible without obstructing your vision or comfort.
- Intercom Range: While the ideal intercom range is 1200m, expect a practical range of 300-500m in real-world riding conditions due to obstacles and interference. Keep this in mind when communicating with your riding partner.
- Battery Broadcast: Pay attention to the remaining power broadcast feature to avoid unexpected power loss during your ride.
- Firmware Updates: Periodically check the manufacturer's website for any available firmware updates, which may improve performance or add new features.
9. Warranty and Support
The PHXIN T9S Motorcycle Helmet Bluetooth Headset is designed for durability and performance. For any issues or questions not covered in this manual, please contact PHXIN customer support or refer to the official product page for further assistance. Keep your purchase receipt for warranty claims.





