---
product_id: 634334133
title: "Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging"
brand: "nulaxy"
price: "142 zł"
currency: PLN
in_stock: true
reviews_count: 13
category: "Nulaxy"
url: https://www.desertcart.pl/products/634334133-nulaxy-54w-bluetooth-5-3-car-adapter-fm-transmitter-4
store_origin: PL
region: Poland
---

# 54W ultra-fast charging Bluetooth 5.3 crystal-clear audio 4-port simultaneous device charging Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging

**Brand:** nulaxy
**Price:** 142 zł
**Availability:** ✅ In Stock

## Summary

> 🚗⚡ Charge, Connect & Cruise in Style — The Ultimate Car Companion!

## Quick Answers

- **What is this?** Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging by nulaxy
- **How much does it cost?** 142 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/634334133-nulaxy-54w-bluetooth-5-3-car-adapter-fm-transmitter-4)

## Best For

- nulaxy enthusiasts

## Why This Product

- Trusted nulaxy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bass That Moves You:** One-touch deep bass activation delivers immersive audio that transforms your drive.
- • **Safe & Smart Driving:** Voice command support and tactile raised buttons keep your hands on the wheel and eyes on the road.
- • **Next-Gen Bluetooth 5.3:** Experience seamless, lag-free connections and pristine sound quality for calls and music.
- • **Power Up at Lightning Speed:** 54W total output with PD36W & QC18W ports crushes charging anxiety for all your devices.
- • **Universal Compatibility & Protection:** Works flawlessly with 12V-24V vehicles and shields your devices from over-current, voltage, and heat.

## Overview

The Nulaxy 54W Bluetooth 5.3 Car Adapter is a cutting-edge FM transmitter and fast charger featuring four USB ports (including PD36W and QC18W) for simultaneous high-speed charging. It leverages Bluetooth 5.3 for superior audio clarity and stable connections, enhanced by deep bass and customizable LED lighting. Designed for safety and convenience, it supports voice commands, precise touch controls, and broad vehicle compatibility (12V-24V), making it an essential upgrade for any modern driver.

## Description

Buy Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging | Wireless FM Radio Music Player with Deep Bass, 5 Colors LED Backlit, Hands-Free Calling, PD&QC Car Charger Support USB Drive: FM Transmitters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: NOTHING BUT GOOD THINGS TO SAY - This Nulaxy Bluetooth unit actually works really well. I was going to buy Bluetooth speakers to clip onto the visor of my 1997 Land Cruiser, and accidentally ran across these little FM xmitter products. There are many brands and models, but this one had a couple of nice features and seemed to come recommended, so I chose it. I tune it to an FM station that has the least static and no signal at all, and I pre-program that frequency to a pushbutton on my radio. The unit connects via Bluetooth almost instantly when the car is started (and a voice notifies me that it's connected), and then on a call, telephone conversation audio comes out clear and smooth. Turn it to its max volume and it may not shake the fenders off your car but it's not bad at all...and that's on a older truck, too. The only music audio I've tried so far is my "Favorites" playlist from a YouTube app. It plays them very nicely. And I can pause them with the multifunction button (and occasionally fast-forward past the ads in between each "track" by turning the multifunction button briefly clockwise...although it sometimes also skips to the entire next track). Fidelity is about as enjoyable as if a radio station was broadcasting the songs. Initially some features weren't working, until I realized that my dashboard cigar lighter is in a recessed dashboard area that's too narrow and the dashboard's plastic was holding the Bluetooth device's "light" button down. This made a number of features not work properly. So I mounted the Nulaxy device on a small extender "stalk" and it works flawlessly. Navigation audio goes silent during a phone call, but that's an iPhone thing…and it comes back automatically and quite instantly when the call terminates. Probably again per the iPhone's own behavior, navigation audio takes precedence over music audio loudness-wise, but the music audio continues playing softly in the background and then comes back to the foreground each time the navigation app stops talking. So I can listen to music while navigating, and it works fine. My strategy if I want to listen to the radio is to listen to whatever station I want...baseball game on AM or whatever...and if a phone call comes in, I just switch the radio quickly to FM and hit the radio's pre-programmed frequency button, and then I answer the call on the Nulaxy device. If I want to initiate a call, I turn the radio to the FM frequency first and then initiate the call on the phone (by typing or by using Siri commands), then converse via the Bluetooth device. The "dial last number called" quick-double-button-press works too...but only seems to work for the last call that I myself initiated, not the last call that called me and spoke with me. Not a big deal there, and that could be an Apple iPhone thing too, for all I know. I'm not sure if Siri commands work without touching the phone...but of course they still work on the phone itself. About the only small wrinkle, and it's just the nature of different signal source amplitudes and not the fault of this device, is that FM radio volume must sometimes be turned up a bit to compete with road noise...so in those cases I need to remember that I had turned the radio volume up before I switch back to the baseball game...or I may hear "Beanball!" or "Kill the umpire!" come out of the speakers really loud. (But since I'm yelling those things at the top of my lungs whenever I listen to a ball game anyway, it's hardly a big deal...) Overall this great little gizmo has it all over my original idea of putting speakers on the visor above my head -- so many limitations and complexities are simplified and improved with this approach compared to separate speakers (which would need to be manually turned on, and frequently recharged, and I'd still have to turn off or pause other audio to make them worthwhile at all). This device is a dirt cheap way of adding full-featured completely satisfying Bluetooth connectivity to my nearly-30-year-old Land Cruiser for a whopping $12.47 Black Friday sale price. Would I buy another? C'mon, man, who the heck needs two older Land Cruisers? : )
Review: Excellent Customer Service - replacement is great! - UPDATE 10/13: Nulaxy Customer Service reached out to me following my initial review to offer assistance and to ensure that I would be satisfied with their transmitter product line. I am very pleased to say that the replacement transmitter they sent is an outstanding replacement product—the model KM30. The transmitter paired seamlessly with my iPhone’s Bluetooth. It was also very easy to connect to my car’s fm radio on an available frequency. I was able to play back music from my iPhone library, connect to navigation thru Siri voice commands and make phone calls, hands free. I inserted a 32Gb USB drive and a 32Gb microSD card and played MP3’s. Clarity and sound quality were excellent—no static. When the MP3’s were loaded onto the thumb drive, I organized them in folders/albums—and it was very easy to search for specific songs and artists (not while driving though). I was able to keep my phone charged while playing music through the charging USB-A port—again with no interference or static. There are other features that I probably won’t use— but maybe with a little more time, I’ll experiment with those features too. Needless to say, I’m VERY impressed and satisfied with the efforts that Nulaxy customer service went through to ensure my satisfaction. I highly recommend this (KM30) transmitter. For those without newer model cars (mine is a 2002 Accord) without Bluetooth, or USB/microSD ports, this device is a must have—especially for hands free phone use. And the cost is VERY reasonable! Well done.Nulaxy! And thank you for all of your additional efforts. INITIAL REVIEW: I was drawn to purchase the transmitter by its small/compact size. I didn’t need lots of bells and whistles—just a basic hands-free transmitter and USB music player with a sturdy profile. It connected quickly and easily to my 2002 Honda Accord OEM radio (FM) and my iPhone Bluetooth. I was able to charge my phone with the USB ports—but I didn’t time the charging process (or finish it). The controls are somewhat small and oversensitive requiring a few attempts to get desired settings. I Connected a 32Gb USB with MP3’s. Music played but with poor sound quality—my other model FM transmitter works much more clearly and with better sound quality. Songs played slower and broke up intermittently. The same songs on the same USB sound very good when played through my other (older) transmitter. During setup, I attempted to connect to several “available” FM frequencies. This NX16 transmitter cannot be connected to frequencies below 88Mhz. My other transmitter was set and worked well on 87.9Mhz and below too (which are typically “free” channels). I tried several frequencies and the sound quality never varied or improved. When connected to a cigarette lighter splitter, the sound quality and playback from the USB was even worse. After hearing the sound quality playback, I did not attempt to try a phone call or to use my phone as a music source or for navigation. The product is not very expensive and “works” but doesn’t suit my needs nor my sound quality expectations. So it may be suitable for some—just not me. The manufacturer makes several other models (similar in design to my older transmitter), so maybe the ones with the bells and whistles and “bulkier” profile work better.

## Features

- 54W High Power Fast Charging, 4-Port Synchronous Charging: Nulaxy Bluetooth car adapter integrates PD36W and QC18W, offering a high-speed and efficient charging solution. Its innovative four-port design supports parallel charging of multiple devices, effortlessly overcoming battery anxiety and enhancing charging efficiency.
- Technological Leadership, Revolutionary Bluetooth 5.3: The fm transmitter Bluetooth uses the latest Bluetooth 5.3 technology, significantly improving connection speed and data transmission efficiency. Enhanced sound quality ensures rapid and stable connections, providing a clearer, smoother experience for both calls and music playback.
- Stunning Bass, Colorful Lighting Effects: One-touch activation of stunning bass effects reproduces the true texture of music, offering an unparalleled musical experience. The five-color lighting design provides accurate perception at night, ensuring easy and safe operation, making nighttime driving more relaxed.
- Voice Commands and Precise Touch Control: Our Bluetooth transmitter supports smart voice navigation from your phone for truly hands-free driving. Its unique raised button design provides precise, sightless control, ensuring safety and convenience while driving.
- Comprehensive Safety Assurance and Wide Compatibility: Bluetooth adapter for car provides all-around safety protection, including over-current, over-voltage, overheating, and short-circuit protection, ensuring the safety of you and your devices. Its wide compatibility supports 12V to 24V vehicle voltages, suitable for most cars. Nulaxy continues to innovate, offering industry-leading car Bluetooth adapter that ensure safety and compatibility.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D1Y357LM |
| Additional Features | 54W High Power Fast Charging, Built-In Microphone, Colorful Lighting Effects, Deep Bass, Hands-Free Calls |
| AntennaDescription | FM Radio |
| Audio Output Mode | Stereo |
| Audio Output Type | Bluetooth, FM Radio |
| Best Sellers Rank | #1 in MP3 Player FM Transmitters |
| Brand | Nulaxy |
| Color | Blue |
| Compatibility Options | Car Stereo System, FM Radio, Bluetooth-enabled Devices |
| Compatible Devices | Car Stereo System |
| Connectivity Technology | Bluetooth |
| Connector Type Used on Cable | USB Type C |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Touch Control |
| Customer Reviews | 4.4 out of 5 stars 10,433 Reviews |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Plastic |
| Hardware Interface | Bluetooth, Bluetooth 5 |
| Human Interface Input | Buttons |
| Installation Type | wireless |
| Manufacturer | Nulaxy |
| Material | Acrylonitrile Butadiene Styrene (ABS) , Plastic |
| Model Name | BC91 |
| Number of Channels | 1 |
| Number of Ports | 4 |
| Power Source | Battery Powered |
| Special Feature | 54W High Power Fast Charging, Built-In Microphone, Colorful Lighting Effects, Deep Bass, Hands-Free Calls Special Feature 54W High Power Fast Charging, Built-In Microphone, Colorful Lighting Effects, Deep Bass, Hands-Free Calls See more |
| Supported Application | Spotify, YouTube, MP3, AAC, etc. |
| Supported Media Type | Bluetooth Audio |
| Supported Standards | Bluetooth 5.3 |
| Voltage | 12 volts_of_direct_current |
| Warranty Description | 1 year manufacturer |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** Nulaxy
- **Connectivity Technology:** Bluetooth
- **Material:** Acrylonitrile Butadiene Styrene (ABS), Plastic
- **Power Source:** Battery Powered

## Images

![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging - Image 1](https://m.media-amazon.com/images/I/71ngSYiRMHL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging - Image 2](https://m.media-amazon.com/images/I/71GEi1BwItL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging - Image 3](https://m.media-amazon.com/images/I/71VKKXt8lPL.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging - Image 4](https://m.media-amazon.com/images/I/81x9WtqCO0L.jpg)
![Nulaxy 54W Bluetooth 5.3 Car Adapter, FM Transmitter 4-Port Fast Charging - Image 5](https://m.media-amazon.com/images/I/71JxJxHYHOL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What is the size of the plug-in connector, and which car models is it compatible with?**
A: Sizes: Diameter 24mm with spring clip, Depth 57mm This size fits most car models but is unsuitable for sockets in recessed areas like glove boxes. After use, hold the car’s socket with one hand and pull out the charger with the other to avoid damage.

**Q: How can I avoid or reduce noise?**
A: For best sound quality, set the car audio volume below 50% before connecting your phone. Then, connect to the FM frequency & Bluetooth. Adjust the phone & BC91 volume first. If it's still too low, adjust the car audio system to reach the ideal level.

**Q: How do I match & switch frequencies?**
A: Turn on car radio to blank FM frequency. Set the BC91 to the same frequency as the car radio. Long-press the BC91 rotate button until frequency flashes. Turn clockwise to increase, counter-clockwise to decrease.

**Q: The device isn't working/power isn't responding/display isn't showing/car audio isn't receiving sound/unable to play?**
A: 1) Ensure that the FM transmitter is on. 2) Verify the transmission frequency of the FM transmitter matches the frequency of the car's radio. 3) Unplug the BC91 and connect it again. 4) Confirm the files on the USB device are supported by the BC91.

**Q: How to pair the FM transmitter with your phone via Bluetooth?**
A: Plug BC91 into car cigarette lighter socket to power on. Enable your phone's Bluetooth is on. Then search for 'BC91 and select 'connect'. Once connected, you can start playing music, using navigation, or making hands-free calls.

## Customer Reviews

### ⭐⭐⭐⭐⭐ NOTHING BUT GOOD THINGS TO SAY
*by L***. on November 27, 2025*

This Nulaxy Bluetooth unit actually works really well. I was going to buy Bluetooth speakers to clip onto the visor of my 1997 Land Cruiser, and accidentally ran across these little FM xmitter products. There are many brands and models, but this one had a couple of nice features and seemed to come recommended, so I chose it. I tune it to an FM station that has the least static and no signal at all, and I pre-program that frequency to a pushbutton on my radio. The unit connects via Bluetooth almost instantly when the car is started (and a voice notifies me that it's connected), and then on a call, telephone conversation audio comes out clear and smooth. Turn it to its max volume and it may not shake the fenders off your car but it's not bad at all...and that's on a older truck, too. The only music audio I've tried so far is my "Favorites" playlist from a YouTube app. It plays them very nicely. And I can pause them with the multifunction button (and occasionally fast-forward past the ads in between each "track" by turning the multifunction button briefly clockwise...although it sometimes also skips to the entire next track). Fidelity is about as enjoyable as if a radio station was broadcasting the songs. Initially some features weren't working, until I realized that my dashboard cigar lighter is in a recessed dashboard area that's too narrow and the dashboard's plastic was holding the Bluetooth device's "light" button down. This made a number of features not work properly. So I mounted the Nulaxy device on a small extender "stalk" and it works flawlessly. Navigation audio goes silent during a phone call, but that's an iPhone thing…and it comes back automatically and quite instantly when the call terminates. Probably again per the iPhone's own behavior, navigation audio takes precedence over music audio loudness-wise, but the music audio continues playing softly in the background and then comes back to the foreground each time the navigation app stops talking. So I can listen to music while navigating, and it works fine. My strategy if I want to listen to the radio is to listen to whatever station I want...baseball game on AM or whatever...and if a phone call comes in, I just switch the radio quickly to FM and hit the radio's pre-programmed frequency button, and then I answer the call on the Nulaxy device. If I want to initiate a call, I turn the radio to the FM frequency first and then initiate the call on the phone (by typing or by using Siri commands), then converse via the Bluetooth device. The "dial last number called" quick-double-button-press works too...but only seems to work for the last call that I myself initiated, not the last call that called me and spoke with me. Not a big deal there, and that could be an Apple iPhone thing too, for all I know. I'm not sure if Siri commands work without touching the phone...but of course they still work on the phone itself. About the only small wrinkle, and it's just the nature of different signal source amplitudes and not the fault of this device, is that FM radio volume must sometimes be turned up a bit to compete with road noise...so in those cases I need to remember that I had turned the radio volume up before I switch back to the baseball game...or I may hear "Beanball!" or "Kill the umpire!" come out of the speakers really loud. (But since I'm yelling those things at the top of my lungs whenever I listen to a ball game anyway, it's hardly a big deal...) Overall this great little gizmo has it all over my original idea of putting speakers on the visor above my head -- so many limitations and complexities are simplified and improved with this approach compared to separate speakers (which would need to be manually turned on, and frequently recharged, and I'd still have to turn off or pause other audio to make them worthwhile at all). This device is a dirt cheap way of adding full-featured completely satisfying Bluetooth connectivity to my nearly-30-year-old Land Cruiser for a whopping $12.47 Black Friday sale price. Would I buy another? C'mon, man, who the heck needs two older Land Cruisers? : )

### ⭐⭐⭐⭐⭐ Excellent Customer Service - replacement is great!
*by S***7 on September 15, 2025*

UPDATE 10/13: Nulaxy Customer Service reached out to me following my initial review to offer assistance and to ensure that I would be satisfied with their transmitter product line. I am very pleased to say that the replacement transmitter they sent is an outstanding replacement product—the model KM30. The transmitter paired seamlessly with my iPhone’s Bluetooth. It was also very easy to connect to my car’s fm radio on an available frequency. I was able to play back music from my iPhone library, connect to navigation thru Siri voice commands and make phone calls, hands free. I inserted a 32Gb USB drive and a 32Gb microSD card and played MP3’s. Clarity and sound quality were excellent—no static. When the MP3’s were loaded onto the thumb drive, I organized them in folders/albums—and it was very easy to search for specific songs and artists (not while driving though). I was able to keep my phone charged while playing music through the charging USB-A port—again with no interference or static. There are other features that I probably won’t use— but maybe with a little more time, I’ll experiment with those features too. Needless to say, I’m VERY impressed and satisfied with the efforts that Nulaxy customer service went through to ensure my satisfaction. I highly recommend this (KM30) transmitter. For those without newer model cars (mine is a 2002 Accord) without Bluetooth, or USB/microSD ports, this device is a must have—especially for hands free phone use. And the cost is VERY reasonable! Well done.Nulaxy! And thank you for all of your additional efforts. INITIAL REVIEW: I was drawn to purchase the transmitter by its small/compact size. I didn’t need lots of bells and whistles—just a basic hands-free transmitter and USB music player with a sturdy profile. It connected quickly and easily to my 2002 Honda Accord OEM radio (FM) and my iPhone Bluetooth. I was able to charge my phone with the USB ports—but I didn’t time the charging process (or finish it). The controls are somewhat small and oversensitive requiring a few attempts to get desired settings. I Connected a 32Gb USB with MP3’s. Music played but with poor sound quality—my other model FM transmitter works much more clearly and with better sound quality. Songs played slower and broke up intermittently. The same songs on the same USB sound very good when played through my other (older) transmitter. During setup, I attempted to connect to several “available” FM frequencies. This NX16 transmitter cannot be connected to frequencies below 88Mhz. My other transmitter was set and worked well on 87.9Mhz and below too (which are typically “free” channels). I tried several frequencies and the sound quality never varied or improved. When connected to a cigarette lighter splitter, the sound quality and playback from the USB was even worse. After hearing the sound quality playback, I did not attempt to try a phone call or to use my phone as a music source or for navigation. The product is not very expensive and “works” but doesn’t suit my needs nor my sound quality expectations. So it may be suitable for some—just not me. The manufacturer makes several other models (similar in design to my older transmitter), so maybe the ones with the bells and whistles and “bulkier” profile work better.

### ⭐⭐⭐⭐⭐ What a great little item and it's really helped make my car experience a lot less boring
*by W***. on June 27, 2026*

I got this item back in August of 2025 and I had something similar many years ago when I was driving a delivery van overnight and couldn't find anything on the radio so I wanted to stream things from my phone. This thing pretty much is flawless You plug it in the cigarette lighter and it auto picked a station which I guess it already has preset that knows that nothing is usually on that frequency and then I turn my car to the right auto frequency and play my music streaming off my phone couldn't be simpler. I use it with my unlimited data which I actually get a broil affordable price on so I stream the serious satellite radio using the app and I haven't really needed to listen to the car radio for many many months. I can get local stations even a.m. and FM and then of course with serious satellite radio app I get hundreds of other stations. It's the perfect alternative when you're tired of listening to the commercials all the time and you're tired of stations that go in and out especially a.m.. The things work flawless I leave it plugged in in the car all the time and never have a problem connects automatically when I turn on my Bluetooth. The sound quality I assume is great I don't know sounds just like the regular radio domain I don't have a high definition car stereo anyway It's just the factory model and an old Subaru I drive but everything sounds crystal clear to me I'm sure it could be better if there was some high end equipment in the car but anyway I mean literally for the price of two Starbucks coffees you get this product that can do so much and never have to worry about plugging cables in or any of that stuff again. Overall I highly recommend it I'm giving it five stars.

## Frequently Bought Together

- Nulaxy 54W Bluetooth 5.3 Car Adapter with 4 Charging Ports [PD 36W & QC3.0 18W], Wireless Radio FM Transmitter with Deep Bass Player & 5 Colors LED Backlit, Hands-Free Calling - Blue
- Qifutan Car Phone Holder Mount Phone Mount for Car Windshield Dashboard Air Vent Universal Hands Free Automobile Cell Phone Holder Fit for iPhone Smartphone Carbon Fiber

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-09-28*