LEXIN B4FM-X Motorcycle Bluetooth Intercom for Group Riding
The LEXIN B4FM-X Motorcycle Bluetooth Intercom is a wireless helmet communication system designed for group motorcycle riding, touring and long-distance trips. It supports communication for up to 10 riders with a stated maximum intercom range of up to 2000 meters in ideal conditions. For real-world riding, the distance between individual riders can be considerably lower.
The Motorcycle Bluetooth Intercom features Bluetooth 5.0, CVC/DSP noise reduction, Hi-Fi stereo audio, music sharing, FM radio, GPS navigation and universal pairing. It is designed to provide convenient hands-free communication while riding.
Key Features
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Motorcycle Bluetooth Intercom: Wireless rider-to-rider communication through compatible motorcycle helmets.
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10-Rider Group Communication: Supports up to 10 riders in multi-way intercom mode.
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Up to 2000m Stated Range: Maximum range under ideal/open conditions.
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Bluetooth 5.0: Provides stable wireless connectivity.
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Music Sharing: Allows two compatible B4FM-X units to share the same music.
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CVC/DSP Noise Reduction: Helps reduce wind and background noise for clearer communication.
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Hi-Fi Stereo Sound: Designed for music, calls, GPS and intercom audio.
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FM Radio: Built-in FM radio with preset stations.
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GPS Navigation Audio: Supports voice guidance from compatible GPS devices.
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Hands-Free Calling: Supports phone calls while riding.
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Voice Assistant: Compatible with supported Siri and other voice assistant functions.
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Universal Pairing: Supports pairing with many compatible Bluetooth intercom systems.
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IP67 Waterproof: Designed for motorcycle riding in wet and dusty conditions.
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USB-C Charging: Convenient Type-C charging connection.
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800mAh Battery: Provides up to approximately 15 hours of intercom or music use.
Motorcycle Helmet Compatibility
The LEXIN B4FM-X Motorcycle Bluetooth Intercom is designed for installation on most compatible motorcycle helmets.
Suitable for:
- Full-face helmets
- Modular helmets
- Flip-up helmets
- Open-face helmets
- Touring helmets
- Other compatible motorcycle helmets
The product includes exchangeable microphone options to accommodate different helmet configurations.
Ideal For
- Group motorcycle riding
- Motorcycle touring
- Long-distance riding
- Motorcycle road trips
- Rider-to-rider communication
- Music sharing
- GPS navigation
- Hands-free calling
- FM radio listening
- Daily commuting
- Adventure riding
Product Specifications
Brand: LEXIN
Model: B4FM-X
Product Type: Motorcycle Bluetooth Intercom
Bluetooth Version: 5.0
Group Communication: Up to 10 Riders
Maximum Stated Range: Up to 2000m
Battery Capacity: 800mAh
Intercom Time: Up to 15 Hours
Music Time: Up to 15 Hours
Audio: Hi-Fi Stereo
Noise Reduction: CVC + DSP
Music Sharing: Supported
FM Radio: Supported
GPS Navigation: Supported
Voice Assistant: Supported
Universal Pairing: Supported
Waterproof Rating: IP67
Charging: USB-C
Application: Motorcycle Helmet Communication
Why Choose This Motorcycle Bluetooth Intercom?
The LEXIN B4FM-X Motorcycle Bluetooth Intercom is a strong choice for riders who regularly ride with a group. Its combination of 10-rider communication, Bluetooth 5.0, music sharing, Hi-Fi stereo audio, CVC/DSP noise reduction, FM radio, GPS support and IP67 waterproof protection makes it suitable for both everyday riding and motorcycle touring.
The music-sharing feature allows two compatible units to enjoy the same audio, while universal pairing provides additional flexibility for riders using compatible intercom systems from different manufacturers.
Important Note
The advertised 2000m communication distance is a maximum/reference value under ideal conditions. Actual communication distance depends on terrain, obstacles, weather, interference and riding conditions. The manufacturer/manual information indicates that real-world distances between individual riders may be substantially shorter.








10 Riders Conversation
Support up toΒ 6-10 Bikers to talk at one time at a 2000m intercom range(Between the 1st to 10th at an Ideal Enviroument), At a real enviroument, the distance between each 2 riders should be 300-800 meters

Music Sharing make the trip much fun
Support music sharing between 2 users, enjoy music together.
Music sharing only compatible between two B4FM-X units via bluetooth, and the range between music sharing is same as the range of intercom.

Bluetooth 5.0
Faster and more stable connection

CVC/DSP Noise Reduction
Functions well for speeds up to 150km/h with DSP& CVC advanced noise cancellation technology.

Voice Assistant
With access to Siri,S-Voice, OK Google commands and so on, you can call or answer hands-free calls, listen to the best Hi-Fi stereo music, FM radio or listen to GPS voice guidance.
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Hi-fiΒ Stereo Sound Quality
Bring you best sound experience
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Built-in FM Radio
Save up to 6 favorites presets staions
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Connect GPS Navigation
Make riding more conveniente
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IP67 Waterproof
Handle all weather conditions, and even work for temperature -15Β°F
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Big Button
Soft touch, easy to operate
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Type-C USB Quick Charge
Charger shoud be near 1A 5V, for protect the battery
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15-Hour Battery Life
Built-in 800 mAh Battery Capacity
(350H standby time/15H working time/2.5H charing time)

Universal Pairing
Compatible with most model intercoms in the market(Like Sena, Cardo and so on)

LX B4FM-X suits most motorcycle helmets
Come with 2 kinds of Boom & Button Microphones

New design of mount bracket
Tighter between the helmet with intecom

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Product NameοΌ
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LEXIN B4FM-X
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Weight / Size
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85(g) / 89*46*20mm
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Bluetooth Version
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Bluetooth 5.0
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Intercom TogglingοΌ
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10 Riders
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Intercom RangeοΌ
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2000M
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Battery CapacityοΌ
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800mAh
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Intercom TimeοΌ
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12H-15H
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Standby TimeοΌ
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350H
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Waterproof LevelοΌ
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IP67
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Charging PortοΌ
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Type-C
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CertificationοΌ
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FCC / CE / TELEC
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Transmitting powerοΌ
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21dbm
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Emission sensitivityοΌ
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-93dbm
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Battery type οΌ
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Β
Lithium polymer battery
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MaterialοΌ
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ABS / Acrylic / Silica gel
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Bluetooth powerοΌ
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Class one
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Radio FrequencyοΌ
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Japan: 76M ~ 91M / General: 87M ~ 108M
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Support Bluetooth ProtocolοΌ
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A2DP / AVRCP / HSP/HFP / AGHSP / PRIVATE INTERCOM
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