

🚗 Elevate your drive with sound, speed & style — don’t get left behind!
The Nulaxy KM30 Bluetooth Car Adapter transforms any vehicle into a smart audio hub with its 1.8" color screen, powerful QC3.0 fast charging, and customizable treble & bass sound. It supports hands-free calls via a strong microphone and streams music effortlessly from Bluetooth, AUX, USB drives, or TF cards. Designed for easy installation in standard cigarette lighter sockets, it’s the perfect upgrade for millennial professionals craving seamless connectivity and premium in-car audio.



























| ASIN | B08D3S85FW |
| Batteries | 1 Nonstandard Battery batteries required. |
| Best Sellers Rank | #15 in MP3 Player FM Transmitters |
| Customer Reviews | 4.4 4.4 out of 5 stars (18,703) |
| Date First Available | July 16, 2020 |
| Item Weight | 3.17 ounces |
| Item model number | KM30 |
| Manufacturer | Nulaxy |
| Package Dimensions | 4.29 x 2.76 x 1.81 inches |
G**B
No Frill FM-Bluetooth Transmitter
This is really a no frills FM-Bluetooth Transmitter. But there are some faults to this. Let me share the bad then move on to the good. But let me share this major tip. Set the transmitter volume to maximum. While this is a FM-Bluetooth transmitter, it is really is not meant for phone to phone conversation & this product isn't it's strongest feature. Why? Let me explain. When making or receiving a call. You have to press your preset radio station if it's not already chosen to make or receive calls. Especially if you are listening to another preset radio station. It can be annoying to hit that FM Transmitter station. This has happened to me on several occasions. But it'll be repetitive soon. Now several users has mentioned about the feedback noise. While this is true and it stems from the alternator. It's only when you are on a bluetooth call and the radio volume is on a very high setting. However, this does not affect during bluetooth music streaming or using the USB Drive. What I mean is that, when you need to hear someone from the other end of a phone call. The transmitter isn't as strong to produce the sound to all speakers. Even when you have your phone bluetooth volume on maximum. YOu need to turn up the volume from your radio head unit. But again this also depends on your own car speakers as well. So that is one feature that could be improved if the manufacture decides to do so. My other annoyance, is the USB connection. Depending on the cable or USB drive you use. It can be somewhat a tight fit as you can see in my pic. Sure I can buy a right angle cord to charge my phone. But why add more cables to my collection? Now for the USB drive. This can be somewhat a good thing and a bad thing. Upon start up. It can either be recognized or not. Sometimes while playing it'll just go to "unrecognized" for several seconds. Then it comes back again. This product only plays MP3's. No wav, mp4. I cannot comment on AAC or ALAC as I don't have songs in those format. So if you going to bring your music onto a USB Drive. Be sure it's in a format that the KM 30 can play. I haven't tried the SD card feature as of yet. So I will make an update at a later time. The good. The Bluetooth streaming is great. Providing you set your equalizer on your phone correctly or neutral. Most modern Smartphones has an EQ feature. So I suggest you play your favorite song or a song that has a balance of bass, treble and mids. This will ensure that whatever streaming music you use. You will get that sound great. Even with the OEM speakers. Once that is complete. You will want to adjust your stock your radio sound settings. Most stock radio has bass, mids and treble. Set those at neutral and adjust accordingly. Then move onto the KM30 bass and treble and adjust accordingly. This will take some to get the sound you are after from your . Using a USB Drive? Well this all depends on your music library. If you have a library of music on a hard drive, not all music are set a particular bit rate (kbps). I know I don't. I have bit rates ranging from 92kbps to 320kbps. So the best method from my 2 week experience. Again find a music that is really balanced with bass, mids and treble and have a 128kbps. I actually used Metallica- Hollier than Thou and Delinquent Habits - California. Yes I have a wide range of music taste when I cruise. When you play you will have to make adjustments to the bass, mids and treble from your stock radio and from the KM30. So music lovers between normal radio stations, music streaming to music on a USB drive. You will need to find that balance of sound. While this might be a pain. It's so much better than making a phone call. Again this is a no frills FM-Bluetooth Transmitter. This works perfect for older cars once the sound is dialed in correctly. My only suggestion that this product would have an edge over the others. If this could pivot left and right. But that is a small pet peeve on my part. Enjoy! Car 2004 Mazda3 Hatchback. Stock Radio with 2 year old JBL Club 6x8 Speakers in 4 doors. No amps.
S**R
It work effortlessly.
This is a great csr adapter,as long as you have a cigarette lighter in your car console. You can talk on the speaker in your car,the adapter connects so easily with my android phone as soon as I turn my car on its loud and very clear. I need to order a spare,just to have. I read so meny reviews on others and tried them after one day I returned it to Amazon This was my third choice , it should have been my first. O yea it even displays your name and play list, with the name of songs and artists
K**Y
Vicsting vs nulaxy km30 FM transmitter comparison
I was very stuck between this victsing transmitter and the nulaxy km30 after reading SO MANY positive reviews on both. I decide to try them both out and compare; nulaxy won for me. Victsing Pros: Majority user friendly. The biggest Pro is it takes all the fuss out of matching white noise open channels by simply hitting the Channel search button. Then it finds an open channel for you and you simply match your radio to it. No need to pull over, easy peasy. It is quality made, even the bendy neck, much better than I expected. If your hookup is low or far away, the added tenth from the bending neck make it more accessible to reach. The channel, skip buttons, and green call knob all light up to easily find them in the dark as well as multicolored screen. If the screen is too bright at night, simply bend the neck and turn it away. Aux input cord, USB port, and SD card slot for music and also acts as a phone charger port. Cons: Biggest and my personal deciding factor; Sound. The Mic is literally one single pin hole so it doesn't pic up my voice well and those on other end of call have a hard time hearing me, even worse on highway. Even with my radio on full volume, my phone, and this transmitter on blast, it's not that high or great sound quality. The music sound was good, but again not that great. The lights on buttons and screen can be quite bright causing you to turn screen away. Sometimes when turning it by bendy neck, you can accidentally pop the whole unit out of the lighter adapter. Pros of the nulaxy:the Mic on the nulaxy is much larger and picks up my voice much better even on the highway. I can always hear others clearly. Playing music is FAR more supreme with the nulaxy and I can even adjust bass. It is very well made and even a rubber piece on the end of plug in so it NEVER moves or gets budged while plugged into lighter port. The screen is colored and goes with music but not to bright to bother my eyes at night. I can move it up a bit as it moves up and down(not side to side). Cons:What I still don't like about the nulaxy is I have to find the open white noise channel on that and then adjust my radio vs just hit channel button and the device finds open channel like the vicsting does. If you travel out of your area a lot, therefore needing to adjust to open stations, that may be a real pain. I do not leave my area often so this was something I could live with. Also, there only no lights on the the buttons, except the bass button, making adjusting channels/skipping a pain in the dark. You kind of have to get used to where the buttons are and it becomes memory so you don't need to even look or have lights on buttons. Due to lighting/having to find channel yourself; many may have to set up before they drive or pull over when changing states to reset up safely. So if you need the lights and channel search option the nulaxy will probably be a problem for you. Also it doesn't have the extra couple inch length to stick out of the lighter port that the vicsting does with it's bendy neck; so if you need that length, the nulaxy is not the better choice for you. For me, the winner was the nulaxy for sound quality. Added pics of both for reference. Hope this helps :)
R**E
Clear sound! Very little static!
Great sounds quality! Very little static, and clear sound. So much better than my old Bluetooth transmitter. Nice interface and controls. Nice price.
B**H
NULAXY Bluetooth transmitter
I recently gifted my husband the NULAXY Bluetooth FM Transmitter, and it has been a fantastic addition to his car! The setup was incredibly easy; he just plugged it into the car's cigarette lighter, and it connected effortlessly to his smartphone via Bluetooth. One of the standout features is the crystal-clear sound quality. Whether he’s listening to his favorite music or taking calls, the audio comes through without any distortion. The built-in microphone picks up his voice clearly, making hands-free calling a breeze. The LCD display is a nice touch, showing the frequency and battery status, and the USB ports provide convenient charging options for his devices. He loves being able to stream his playlists and podcasts directly through the car's stereo system. Overall, the NULAXY Bluetooth FM Transmitter has made his driving experience more enjoyable and connected. It’s user-friendly, reliable, and an excellent value for the price. Highly recommended for anyone looking to upgrade their car audio setup!
E**E
Il trasmettitore Bluetooth per auto Nulaxy KM30 è un accessorio indispensabile per chiunque desideri aggiornare il proprio sistema audio in auto senza dover sostituire l'intero impianto stereo. Dotato di un display a colori da 1,8" e un microfono potente, offre un'esperienza di chiamata a mani libere di alta qualità, consentendo di mantenere la concentrazione sulla strada in modo sicuro. Una delle caratteristiche più apprezzate del KM30 è la sua compatibilità con la ricarica QC3.0, che consente di ricaricare rapidamente i dispositivi mobili mentre si è in viaggio. Questo è particolarmente utile per coloro che dipendono pesantemente dai loro smartphone durante gli spostamenti. L'installazione è semplice e veloce: basta collegare il trasmettitore all'accendisigari dell'auto e sincronizzarlo con il proprio dispositivo Bluetooth. Una volta configurato, è possibile riprodurre la propria musica preferita in streaming direttamente dallo smartphone o da altri dispositivi compatibili Bluetooth, trasformando istantaneamente l'auto in un'area di intrattenimento personale. La qualità audio è sorprendentemente nitida e priva di interferenze, consentendo di godere appieno della propria musica senza compromessi. Inoltre, il design compatto e discreto si integra perfettamente nell'abitacolo dell'auto senza distogliere l'attenzione. In conclusione, il trasmettitore Bluetooth per auto Nulaxy KM30 è un investimento pratico e conveniente per chiunque desideri aggiornare il sistema audio del proprio veicolo. Con le sue prestazioni affidabili e le sue numerose funzionalità, offre un valore eccezionale e migliora notevolmente l'esperienza di guida quotidiana.
P**F
Absolute Empfehlung – Geniales kleines Gerät! Ich bin absolut begeistert von diesem FM-Transmitter! Ich hätte nicht gedacht, dass so ein kleines Teil so viel Komfort ins Auto bringen kann. Die Einrichtung war super einfach – eingesteckt, Frequenz eingestellt, Bluetooth verbunden und los ging’s. Innerhalb von 2 Minuten war alles startklar. Der Klang ist überraschend gut für einen FM-Transmitter – klar, ohne Rauschen, und sogar bei höherer Lautstärke stabil. Ich nutze ihn zum Musikstreaming über Spotify in meinem Mercedes E-Klasse W211, nach langer Sucher der erste Transmitter der sauber funktioniert! Preis-Leistung: 10 von 10! Wenn du ein älteres Auto hast ohne Bluetooth, dann ist das hier eine super einfache Lösung. Ich würde den Transmitter jederzeit wieder kaufen.
P**.
Há muitos anos que utilizo transmissores FM no carro para ouvir música, mas este equipamento superou todas as minhas expetativas! Excelente qualidade de som, com possibilidade de regular graves e agudos o que é pouco habitual, e contrariamente a outros equipamentos que já usei, não tem ruídos de fundo e a separação stereo é ótima! Felizmente temos em Portugal duas frequências que não são utilizadas por estações de rádio (87.5 e 108.0) e por isso, sintonizando numa destas frequências, podemos viajar todo o país sem necessidade de mudar de canal devido a interferências. As chamadas telefónicas são perfeitas e não tenho tido reclamações! Equipamento muito fácil de utilizar e o manual tira as dúvidas que possamos ter. Impossível ter melhor relação qualidade/preço. Recomendo!
D**O
Excelente entrega rápido qualidade muito boa satisfeito.
M**S
Nice
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