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The LEXIN LX-B4FM is a premium Bluetooth 5.0 motorcycle intercom system designed for group communication of up to 10 riders within a 2000m range. Featuring Hi-Fi stereo sound with advanced noise cancellation, universal headset compatibility, and an IP67 waterproof rating, it delivers up to 15 hours of battery life and supports hands-free calls and music sharing. Perfect for all helmet types and weather conditions, it’s the ultimate wireless audio companion for serious riders.














| Additional Features | 10 Riders Bluetooth Intercom, FM Radio, IP67 Waterproof, Music Sharing, Universal Pairing |
| Age Range Description | Adult |
| Antenna Location | Calling |
| Asin | B07DGX2DTK |
| Audio Driver Type | Dynamic Driver |
| Battery Average Life | 15 Hours |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | #37,701 in Electronics (See Top 100 in Electronics) #57 in Motorcycle Bluetooth Headsets |
| Bluetooth Version | 5.0 |
| Brand | LEXIN |
| Built In Media | Wireless Charging Case |
| Cable Features | Without Cable |
| Color | Blue, Black |
| Compatible Devices | Motorcycles |
| Connectivity Technology | Bluetooth 5.0 |
| Control Method | Touch, Voice |
| Control Type | Volume Control |
| Controller Type | Button |
| Customer Package Type | Flat Free Package (FFP) |
| Customer Reviews | 4.2 4.2 out of 5 stars (5,223) 4.2 out of 5 stars |
| Earpiece Shape | Circle |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) |
| Frequency Range | 87.5 MHz - 108.0 MHz |
| Global Trade Identification Number | 00711765795826 |
| Headphone Folding Features | In Ear |
| Headphone Jack | Type-C |
| Headphones Ear Placement | Over Ear |
| Impedance | 80 Ohms |
| Item Weight | 0.5 Kilograms |
| Manufacturer | LEXIN |
| Model Name | LX-B4FM |
| Model Number | LX-B4FM |
| Noise Control | Active Noise Cancellation |
| Specific Uses For Product | Motorcycle Intercom |
| Style Name | B4 Dual Pack |
| Subject Character | no character |
| Theme | Sports |
| Unit Count | 2 Pack |
| Upc | 711765795826 |
| Water Resistance Level | Waterproof |
| Wireless Technology | Bluetooth |
User
Work well at traffic lights.
After a very difficult installation, i finally got the things working, albeit with only one unit having music, once I reached 50kph neither person could hear the other. A bit pointless, really.
User
Great for the price
My friend and I have had these for a few years now and they're still working perfectly, i commute almost every day and sometimes in heavy rain too, the sound quality isnt amazing but good enough. Sometimes getting them to pair up can be annoying but thats bluetooth in a nutshell anyway, I dont really see the point in buying a more expensive headset this works well for weekend rides with friends and gps directions and music too.
User
Excellent bang for the buck!
While I was admittedly a tiny bit apprehensive to try these out vs. one of the “big brands,” the review video (on the product page) from the Canadian guy convinced me to give them a shot. So far, no regrets!They were pretty easy to install. My helmet doesn’t have dedicated speaker pockets (Icon Airmada) so it was a little tricky to find just the right spot for them so they don’t bother my ears, but this would have been the case with any Bluetooth communicator. My wife’s helmet, an Icon Airform, does have speaker pockets and they fit perfectly.Pairing them was pretty easy, though it did take us a few tries to get just the right timing on the button press to place them in pairing mode.Sound quality for music listening isn’t the absolute best, as many other reviewers have stated they are lacking in bass response. This is fine with me, because listening to music and riding motorcycles don’t go together, in my opinion- there are more important things that I should be listening for. Voice, however, comes through crystal clear, with excellent noise cancellation- no wind noise, no bike noise- I can’t ask for much more than that!We used these for the first time pretty much non-stop on a four hour ride. It was nice to have the ability to talk back and forth, my wife is a new rider and we both enjoyed being able to talk about what was coming up on the road ahead, when she needed a break, etcetera. We had plenty of battery, and the range is excellent. There were times when I could barely see her in my mirrors or a car would get between us or whatever and we never once lost signal.If you’re considering these, I must say that I had super good luck with the set I ordered. Everything was in good shape and worked perfectly. I have never tried any other brands or models, but the price on these was too good to pass up, especially for all the features they have. Well worth it, though I will be looking for a helmet with speaker pockets because it’s just a little snug without, but that has nothing to do with the product, just the helmet I have.
User
Works great! Great buy!
Product arrived in three days with express shipping. Product was well packaged with a nice presentation. The instructions were well laid out and in a proper phamphlet not poorly translated onto something the size of a matchbook.The company provides a link to a Youtube video to help with installation, which is moderately helpful. A read of the subsequent comments led me to a link for a firmware update for the devices. (I'm a nerd so this wasnt an issue, but for someone not at least a little comfortable with windows computers this could be a little daunting.)Otherwise the attachment of the device to the helmet and affixing the speakers and mic inside the helmet was easy.Operation of the unit for simplistic things like pairing to a phone for music and then pairing the two units together for intercom use was straighforward and the included instructions do a good job. I am not using these for rider to rider use so I cant comment on range.A few minutes after installation my daughter and I had our individual phones with separate music playing and connected to the devices and were able to simply tap the intercom button, wait a few seconds and then have an intercom conversation with no problem...(you press the button, wait a few seconds then speak.... Its like "hello....?Hello?.... Oh there you are!").. another press of the intercom button and the conversation ended with the music automatically resuming. I havent tried the answering or making calls function yet. But judging from the quality of the intercom conversation I think it should be fine for conversation quality as long as it connects.The sound of the music was acceptable, with little to no bass, but adequate volume for my use. (40 + year old ears).. I could hear AC/DC "Shoot to Thrill" at 100km/h sans windshield, without issue!After a two plus hour trip the units still had 100% battery according to the voice power on prompt. Overall I'm quite happy with these on my initial use of them. Especially given the price point.*Update*... Receiving phone calls works great. Tap the power button to accept the call... Tap again to end.... High speed music listening with earplugs in cancels the wind but I still hear the music. A++.
User
Muy satisfecho
La intercomunicación con otro conductor, muy fluida sin interferencia, otra manera de conducir moto
User
Fonctionne très bien pour la motoneige même à -29°C
J'ai acheté 2 kit complet de marque lexin pour la motoneige. Un premier kit B4FM et l'autre G16. Les 2 différents modèles peuvent se coupler ensemble sans problème. Les micros sont identique dans les 2 modèles mais les écouteurs (protecteurs en mousse) sont de qualité supérieure dans le G16. La lumière du G16 est particulièrement pratique. Le couplage se fait facilement une fois qu'on a bien compris le principe. Lire attentivement les instructions et se pratiquer avant votre "ride"! J'ai essayé jusqu'à 3 personnes et cela fonctionne bien. Il est important de respecter l'ordre de couplage et de rester dans cet ordre pendant la randonnée dans la mesure du possible. Puisque les appareils marche "en chaine" si le premier accouplé se retrouve à l'arrière du peloton, la communication avec le deuxième accouplé (et donc tout le reste du groupe) sera coupée. La distance pour communiquer entre 2 différents appareils accouplés est d'environ 300/600 pieds et est affecté à la baisse par les maisons et collines. Dans la majorité du temps cela est suffisant. C'est une technologie bluetooth, ce n'est pas un radio de type walkie-talkie. Donc vous comprendrez que si vous avez 3 appareils accouplés, la distance entre le premier et le troisième appareil (le deuxième appareil relais l'information du premier vers le troisième) peut être d'environ 600 pieds. Si 4 appareils 900 pieds etc... (distance peut être plus grande, je suis allé pessimiste dans de mauvaises conditions) Lorsque 2 personnes connectées ensemble s'éloigne trop, la communication se coupe. Par exemple si le #1 s'éloigne trop de #2, alors #1 perdra la communication avec #2 et #3. L'appareil #2 et #3 peuvent continuer à communiquer ensemble. Une fois #1 revenu à une distance raisonnable de #2, alors l'appareil rétablie la connexion automatiquement avec ses 2 confrères. Il faut toujours garder en tête que les appareils marchent en chaîne et chaque appareil relaie l'information à l'autre. La qualité sonore est bonne. Dépendamment l'emplacement du micro dans votre casque, la qualité diffère. Pour ce qui est du sons lorsqu'on écoute de la musique, la qualité est moyenne mais ça fait le travail. On ne peut pas parler aux autres en même temps de partager la musique. C'est un choix. Tu partages aux autres ou tu leur parles. De ce que j'ai testé, c'est 2 modes différents. On entend peu les bruits des autres motoneiges. Pour ce qui est du G16 (je n'ai pas essayé avec le B4FM) j'ai réussi à être connecté avec 2 autres personnes et d'être connecté en même temps à mon cellulaire. Cela fonctionne très bien. Lorsqu'on reçoit un appel et que je suis en communication avec mes partenaires, j'entends seulement un "bip" d'environ 1 seconde. Rien d'autre par la suite... Il faut donc être attentif sinon on manque l'appel. Il faut appuyer sur le bouton "power" 1 fois et la communication coupe avec les partenaires pour répondre l'appel. Le répondeur automatique des appels après 12 secondes est inutile puisque ma boite vocale de téléphone embarque avant que l'appareil réponde automatiquement. Finalement pour ce qui est de la résistance au froid, je suis très surpris. Très efficace au froid. Nous avons fait une "ride" de 4 heures à -29°C sur le thermomètre et tous les appareils ont bien fonctionnés.
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