Introduction
The Sena 3S Plus Universal motorcycle helmet headset is designed to provide clear and reliable communication for motorcyclists. This manual provides comprehensive instructions for the installation, operation, and maintenance of your 3S Plus Universal headset, ensuring optimal performance and user experience. It allows for intercom conversations between two users, music listening, phone calls, and GPS directions when paired with a smartphone via Bluetooth.
What's in the Box
Verify that all components are present before beginning installation:
- 3S PLUS unit
- Attachable Boom Microphone
- Wired Microphone
- Hook and Loop Fasteners for Wired Microphone
- USB-C Power & Data Cable
- Microphone Sponges
- Double Sided Adhesive Tapes
- Female Hook and Loop Fasteners for Speakers
- Male Hook and Loop Fasteners for Speakers
- Hook and Loop Fastener for Boom Microphone
- Boom Microphone Holder
- Hook and Loop Fasteners for Holder
Image: All components of the Sena 3S Plus Universal headset, including the main unit, microphones, speakers, and various fasteners and cables.
Key Features
- 2-Way Bluetooth Intercom: Facilitates communication between two users.
- Interchangeable Microphones: Includes both wired standard and boom microphones for versatile helmet compatibility.
- HD Intercom: Provides high-definition audio clarity for intercom conversations.
- Extended Talk Time: Offers up to 20 hours of talk time on a single charge.
- Quick Recharge: Fully recharges in approximately 3 hours.
- Long Working Distance: Supports communication up to 400 meters (0.25 miles) in open terrain.
- Universal Fit: Designed to fit most motorcycle helmets, including open-face and full-face models.
- Smartphone Connectivity: Seamlessly pairs with smartphones for music, phone calls, and GPS navigation.
Setup and Installation
1. Charging the Headset
Before first use, fully charge the 3S Plus Universal headset. Connect the supplied USB-C cable to the headset's charging port and a USB power source. The LED indicator will show charging status.
2. Installing Speakers and Microphone
- Speaker Placement: Attach the speakers inside your helmet using the provided hook and loop fasteners. Ensure they are positioned directly over your ears for optimal sound quality.
- Microphone Selection: Choose between the boom microphone (for open-face or modular helmets) or the wired microphone (for full-face helmets).
- Microphone Installation:
- For the boom microphone, attach it to the inside of the helmet's chin bar using the boom microphone holder and hook and loop fasteners. Position it close to your mouth.
- For the wired microphone, attach it to the inside of the helmet's cheek pad area using the hook and loop fasteners.
- Cable Management: Route all cables neatly under the helmet's padding to prevent interference and ensure comfort.
Image: The Sena 3S Plus Universal headset showing the main unit, speakers, and the boom microphone assembly.
Image: The Sena 3S Plus Universal headset showing the main unit, speakers, and the wired microphone assembly.
3. Mounting the Main Unit
The main unit, which contains the control buttons, should be mounted on the exterior of the helmet. Use the double-sided adhesive tapes to securely attach the unit to a flat surface on the side of your helmet, ensuring easy access to the buttons.
Image: A close-up view of the Sena 3S Plus Universal headset control unit mounted on the side of a motorcycle helmet.
Operating Instructions
1. Power On/Off
- Power On: Press and hold the (+) Button and (-) Button for 1 second.
- Power Off: Press and hold the (+) Button and (-) Button for 5 seconds.
2. Bluetooth Pairing (Smartphone)
- With the headset powered off, press and hold the (+) Button for 5 seconds until the LED flashes red and blue alternately.
- On your smartphone, enable Bluetooth and search for new devices.
- Select "Sena 3S Plus" from the list of detected devices.
- If prompted for a PIN, enter "0000".
- Once paired, the LED will flash blue.
3. Intercom Pairing (Other Sena Headset)
- Ensure both 3S Plus headsets are powered on.
- On one headset, press and hold the (+) Button for 5 seconds until the LED flashes red.
- On the second headset, press and hold the (-) Button for 5 seconds until the LED flashes red.
- The headsets will automatically pair and connect. The LED on both units will turn blue.
4. Basic Functions
| Function | Action |
|---|---|
| Volume Up | Tap the (+) Button. |
| Volume Down | Tap the (-) Button. |
| Play/Pause Music | Press and hold the (+) Button for 1 second. |
| Next Track | Double tap the (+) Button. |
| Previous Track | Double tap the (-) Button. |
| Answer/End Call | Tap the (+) Button. |
| Reject Call | Press and hold the (+) Button for 2 seconds. |
| Start Intercom | Tap the (+) Button. (After pairing) |
| End Intercom | Tap the (+) Button. |
Maintenance and Care
- Cleaning: Wipe the headset unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Charging: Always use the provided USB-C cable for charging. Avoid overcharging the battery.
- Storage: Store the headset in a cool, dry place when not in use. Avoid extreme temperatures.
- Water Resistance: The unit is designed to be water-resistant, but avoid submerging it in water. Ensure the USB-C port cover is securely closed.
Troubleshooting
No Power
- Ensure the battery is fully charged. Connect the headset to a power source and check the charging indicator.
- Verify that the power button sequence is correctly followed (press and hold (+) and (-) for 1 second to power on).
No Sound or Low Volume
- Check the volume level on both the headset and your connected smartphone.
- Ensure speakers are correctly positioned over your ears inside the helmet.
- Verify that all speaker and microphone connections are secure.
Pairing Issues
- Ensure the headset is in pairing mode (LED flashing red and blue).
- Delete previous Bluetooth pairings from your smartphone and try pairing again.
- Perform a factory reset on the headset if issues persist (refer to the full manual on Sena's website for specific reset instructions).
Intercom Disconnection
- Ensure both headsets are within the specified working distance (400 meters / 0.25 miles in open terrain).
- Obstacles like buildings or dense trees can reduce range. Try moving to an open area.
- Re-establish the intercom connection by tapping the (+) Button.
Specifications
| Feature | Detail |
|---|---|
| Model Name | 3S PLUS |
| Connectivity Technology | Bluetooth, Wired |
| Wireless Communication Technology | Bluetooth |
| Battery Life (Talk Time) | 20 Hours |
| Recharge Time | 3 Hours |
| Working Distance | Up to 400 meters (0.25 miles) in open terrain |
| Control Method | Touch |
| Material | Plastic |
| Item Weight | 0.19 Kilograms (6.7 ounces) |
| Product Dimensions | 3.94 x 39.37 x 3.94 inches |
| Batteries | 2 Lithium Polymer batteries (included) |
| UPC | 885465011033, 885465016397 |
Warranty and Support
Sena products are covered by a limited warranty. For detailed warranty information, including terms, conditions, and duration, please refer to the official Sena website or the warranty card included with your product. For technical support, firmware updates, or additional assistance, please visit the Sena support page or contact their customer service directly.
Sena Official Website: www.sena.com
