9 best modulator cars

Modulator cars, also known as FM transmitters or Bluetooth FM transmitters, are electronic devices used in vehicles to broadcast audio from various sources, such as MP3 or MP4 players, smartphones, or other portable audio and video devices, to a car's FM radio system. These devices are popular among drivers who want to play their own music or audio content through their car's speakers without needing to upgrade the entire car audio system.

Here are some key features and functionalities of modulator cars:

  1. FM Transmission: Modulator cars utilize FM radio frequencies to transmit audio signals from the source device to the car's radio. Users can tune their car radio to a specific frequency set on the transmitter to listen to the audio being broadcast.

  2. Bluetooth Connectivity: Many modulator cars come equipped with Bluetooth technology, allowing users to connect their smartphones or other Bluetooth-enabled devices wirelessly. This provides a convenient and cable-free way to stream music or make hands-free calls in the car.

  3. MP3/MP4 Player Compatibility: Modulator cars typically have auxiliary input ports or USB ports that can be used to connect various audio sources, including MP3 and MP4 players, USB drives, or SD cards.

  4. Hands-Free Calling: Some modulator cars have built-in microphones and call buttons, enabling hands-free phone calls while driving. This feature promotes safety and helps drivers stay focused on the road.

  5. Display and Controls: Many modulator cars feature LCD displays that show information such as the current song, caller ID, and FM frequency. They also have control buttons for adjusting settings and playback.

  6. Power Source: These devices can be powered through the car's cigarette lighter socket or via a USB connection. Some models also have built-in batteries for portable use.

  7. Compatibility: Modulator cars are designed to work with a wide range of vehicles and audio devices. However, it's essential to check compatibility with your specific car model and source device.

  8. Sound Quality: The sound quality of modulator cars can vary depending on the model and price range. Higher-end models may offer better sound fidelity and noise reduction features.

  9. Installation: Installation of modulator cars is typically straightforward and can be done by plugging them into the car's power socket and connecting the audio source.Bluetooth pairing, if available, may require additional setup.

  10. Price Range: Modulator cars are available in a range of prices, making them a cost-effective way to upgrade a car's audio capabilities without investing in a new stereo system.

In summary, modulator cars, including FM transmitters and Bluetooth FM transmitters, are versatile devices that allow drivers to connect and play audio from various sources through their car's FM radio system. They offer convenience, flexibility, and an affordable way to enjoy customized audio content while on the road.

Below you can find our editor's choice of the best modulator cars on the market
  

iSimple IS31 Antenna Bypass FM Modulator for Factory or Aftermarket Car Radios

iSimple

Based on 748 reviews Check latest price

Product description

Antenna Bypass FM Modulator

  • Universal aux audio input for all FM radios
  • Simply flip the switch.Selectable operating frequencies 87.9 MHz and 88.3 MHz
  • Enjoy the clear, clean audio, Car radio aux input has a sleek, compact design
  • Antenna bypass FM modulator, Play almost any portable device directly through your radio
  • Audio connections and docking cables sold separately
  • Universal aux audio input for all FM radios

User questions & answers

Question: Will this work on a 2005 F150 stock radio
Answer: Bluetooth is not required. It plugs into the AUX port on a smart phone or media player and plays through FM frequency.
Question: will this fit my 2006 lincoln zephyr
Answer: Hello thanks for the email. Unfortunately you cannot use this item with Sirius XM. Sorry
Question: can i still listen to radio stations with iSimple installed
Answer: You will need to find a radio station that is not playing any music then you will put the same station on the transmitter. Once the transmitter is matching the same radio station you will connect the 3.5 jack into your phone and then music will play your out of the speakers. If you have any more questions please call Scosche at (800)362-4490 Ext 1.
Question: other parts needed
Answer: 1A Fuse

Car Radio FM Stereo Modulator

Based on 25 reviews Check latest price

Product description

The Car FM modulator allows you to play almost any portable device(MP3 player, Smartphone) audio directly through your car's FM radio.



Enjoy the clear, clean audio through your car's audio system.

Converts RCA Left and Right Line-in audio signal to FM signal

Tune the frequency of the car audio to 88.3MHz or 88.7Mhz

The Car FM modulator has a sleek and compact design



Parts Warranty: 90 Days

  • This RadioShack antenna bypass FM modulator allows you to play almost any portable device directly through your radio.
  • Car radio aux input has a sleek and compact design
  • Converts RCA stereo audio signal to FM signal
  • RCA audio input for all FM radios
  • Tune the frequency of the car audio to 88.3MHz or 88.7Mhz

User questions & answers

Question: Does this come with the aux input jack to rca cable
Answer: It doesn't come with a 3.5 mm to RCA cable because customers prefer different lengths, depending on the application.

Doosl Bluetooth FM Transmitter Universal Wireless in-Car aux Car Radio Transmitter Adapter FM Modulator Music Player with 700mAh Li-Polymer Battery Rechargeable

doosl

Based on 846 reviews Check latest price
  • Bluetooth FM Transmitter: Featuring Bluetooth 4.1 technology, without interference while music playing.
  • Friendly Design: Portable and easy to charge with a USB port, support to memorize the last FM transmitting frequency.
  • High Compatibility: The in-car radio adapter works great with most bluetooth enabled devices, such as iPhone, iPad, iPod, tablet, and Android smartphones.
  • Long Battery Life: Features a built-in 700mAh rechargeable battery that supports up to 10-hour continuous playing. You can enjoy your favorite music during trip without any worries.
  • Easy to Use: Turn on the FM transmitter, and connect with the radio at the same frequency and then pair your phone/audio player with the modulator via bluetooth.

User questions & answers

Question: will this pair with amazon tap, or echo
Answer: The hole size actually needs to be minimum 1.91" or 48.5mm I dont know why they keep stating that 1.78" or 45mm is big enough, its not. Use a 2" hole saw and it'll fit perfectly!
Question: What is the best FM radio station to connect this device with
Answer: Yes
Question: can you charger it and transmit at the same time
Answer: Overall measurement of 3" round, cut out measurement of 1.938" round
Question: Will it auto off
Answer: Google search for Goldwood Sound

Product features

Doosl Bluetooth FM Transmitter

Doosl FM Transmitter is developed base on DSER107, one of the most popular car kit, with Bluetooth 4.1 Technology. This new DSER106 is even more stable and clearer. Bulit-in 700mAh Li-polymer Battery support up to 10-hour continuous playing, equips with one micro USB charge port and high compatibility of bluethooth device, you can enjoy fantastic music journey while your in-car travel any time.

Product Specifications

  • FM Frequency: 87.5MHz - 108.0MHz
  • Bluetooth Version: V4.1
  • Bluetooth Range: Up to 30ft
  • Power Supply: 700mAh Li-polymer Battery
  • Charging Input Voltage: DC 5V
  • Charging Time: 2 Hours
  • Operation Time: Up to 10 Hours
  • Dimensions: 70*30.5*19.5mm
  • Weight: 35g

FM Transmitter, Tohayie Bluetooth Wireless Radio Adapter Audio Receiver Stereo Music Tuner Modulator Car Kit with USB Charger, Remote Control, Silver

ToHayie

Based on 948 reviews Check latest price

Product description

bluetooth fm transmitter for car iphone

  • [ LARGE SCREEN & BROAD COMPATIBILITY ]: ToHayie car FM transmitter comes with 1.4inch LED screen can display phone number for incoming calls & name of songs playing through TF Cards could be displayed as well and works with Bluetooth enabled devices, like iPhone, iPad, iPod, Tablet, Smart phones or MP3, MP4 Players via 3.5mm audio jack
  • [ REMOTE CONTROL & MUSIC PLAYING ]: Support with 21-key remote control for the FM Transmitter, everyone in car can control music playing or calls freely. Besides, the car FM transmitter allows you to play music from your phone to car stereo system via Bluetooth, also you can play music from TF card and Aux. MP3/WMA format would be supported. Full 206 channels optional from 87.5-108.0MHz
  • [ HANDS FREE & HIGH PERFORMANCE ]: Microphone with Noise Suppression (CVC) technology, grants you crystal clear call. Answering/redialing/dismissing or ending call just simply click a button by remote control. Seamlessly switches between incoming calls and music; help you safely drive. Moreover, it supports voice navigation of your phone
  • [ CHARGING STATION ]: This car FM transmitter Bluetooth comes with a 5V-1.1A charging port to charge most USB devices. Such as apple iPhone XS/ X/ 8/ 8 Plus/ 7 Plus/ 7/ 6/ 6S Plus;Android Smart phones, Power Bank etc, better charging performance
  • [ Safety Guarantee and Worry-free Warranty ]: Fm transmitter Bluetooth built-in safety system includes overload, short-circuit, and over voltage protection, lightweight and compact for easy portability, With 12 months manufacturer 100% money back guarantee. Welcome to contact us if you have any questions or concerns. Our reliable Customer Service will be sure to reply within 24 hours and offer proper solutions for you.

User questions & answers

Question: Does it come with the cable to connect to devices? In the pics it looks like it has a very large connection on the end into the transmitter
Answer: I don’t understand your question. Are you having issues with sound syncing with picture? What is your signal source? If you are watching modulated content on one TV and direct connection to another tv you will always have a lag. It takes time to convert the signal, broadcast it, and convert it back.
Question: Does a fm transmitter serve as a wifi also
Answer: This is NOT an ATSC modulator. It has NTSC and PAL modulation modes.
Question: Does this allow you to speak on the phone handsfree. I have a 20 year old about to drive a 2007 Corolla. Thanks
Answer: after the cable box to rebroadcast signal to other TV's.
Question: How can I make call
Answer: Output is analog RF, not digital.
Question: Does this fit a 2003 gmc sierra 1500 base model? No 4wd or trac control
Answer: That is exactly what this is for. You can add a video channel from any source to your existing cable in an unused spot.

Bluetooth Stereo FM Transmitter for Car, Wireless Bluetooth 5.0 Dual Car Charger, Radio Car Adapter, Hands-Free Microphone Car Kit, Quick Charge, Mp3 FM Modulator, USB Flash Drive MP3 Music Player

Based on 62 reviews Check latest price

Product description

🎼Bluetooth Transmitter BT36B

Enjoy music from your car, charge your phone or make hands free calls while driving.

BT36B is a multi-function Wireless Car FM Transmitter. You can call your friends, listen your favorite music, charging your devices, and check the condition of your car battery. It is easy to insert the TF card or U-disk and play your favorite music via FM radio signal with your new mp3 fm modulator

How to Use:

🎶Start your car;

🎶Plug bluetooth fm transmitter into the car cigarette lighter;

🎶Then the bluetooth fm transmitter will display “BT” and you will hear a voice message “Wireless is ready to pair”;

🎶Turn on the car FM radio, choose the channel;

🎶Turn on the wireless on your mobile phone and choose “BT36B”.  When connected, you will hear “Wireless Connected Successfully.” Now, you can play music from your mobile phone. Insert U Disk or TF card into the card slot. The device recognizes MP3/WMA/WAV/FLAC formats;

🎶You can play/pause/select previous and next song;

🎶Switch the music source if you want to play music in the Wireless device.

Technical Parameters of the Car Stereo Adapter Kit:

Weight: 36g;

Data Interface: USB 2.0;

USB output: 3.1 A max;

LED display;

Power Supply: DC12-24V;

Launch distance: about 5 meters;

TF card, U disk;

MP3/WMA/WAV/FLAC/APE;

BT hands free car kit is compatible with most devices on the market (Apple, Samsung, Xiaomi, LG, Sony, etc.) you will not have problems with compatibility. Play your favorite songs in the sound of your car through Bluetooth, TF card, U disk.

Advanced noise reduction system will guarantee you a quality crystal clear sound.

Package Included:

1 x Bluetooth FM Transmitter

1 x User Manual

Recommendations:

1.     Please choose original charging cable

  • ✔ BLUETOOTH 5.0 FM TRANSMITTER FOR CAR – can be paired as a hands-free kit with all Bluetooth enabled devices with iOS or Android of max output 3.1A. You can stream music and calls directly from your Bluetooth devices to car stereo system via FM radio signal.
  • ✔HIGH-PERFORMANCE MICROPHONE WITH NOISE SUPPRESSION – you get high-quality sound with noise suppression. An innovative technology provides you with crystal clear call and stable connection.
  • ✔ANSWER CALLS HANDS-FREE - Answering/redialing/dismissing or ending call just simply click a button. Seamlessly switches between incoming calls and music; Drive more safely with hands free car audio kit. It supports voice navigation of your phone.
  • ✔USB CAR CHARGING function – can charge two devices at the same time. One port is a charging port or to play U disk music and other port is a smart charging port for your multimedia devices such as mobile phones and tablets.
  • ✔SAFETY PROTECTION – the bluethooth transmitter is equipped with a voltmeter that can demonstrate the condition and capacity of your car battery. You can easily control your car. Voltage should be between 13.2V - 14.7V when a car is moving and 12.2V – 12.8V when a car is parked.

Superbat Antenna to Radio Adapter Cable Kit for Skoda Volvo VW BMW European Vehicle CD AM/FM Radio Modulator Car Audio

Superbat

Based on 17 reviews Check latest price

Product description

Specifications:

Type: AUDI Vw bmw European antenna adapters cable for adding cd with fm modulator

Cable type: Good performance low loss RG174 coaxial cable

Cable length: 1FT(30CM)

Package List: 1pcs fakra A male to din male cable + 1pcs fakra A female to din female extension cable

Application:

GPS antenna car audio GSM antenna wireless equipments Wireless Infrastructure AM/FM radio stereo receiver

  • Type: AUDI Vw bmw European antenna adapters cable for adding cd with fm modulator
  • Cable type: Good performance low loss RG174 coaxial cable |Cable length: 1FT(30CM)
  • Applications: GPS antenna car audio GSM antenna wireless equipments Wireless Infrastructure AM/FM radio stereo receiver
  • 1pcs fakra A male to din male cable + 1pcs fakra A female to din female extension cable
  • Never worry about any security problems. We are confident in the quality of our cable and willing to provide 1 MONTHS Replacement Warranty and 100% Satisfaction Guarantee. If you unfortunately get a defective one, please contact our customer support.

ZAVAREA FM Transmitter Modulator Bluetooth Handsfree Car Kit Audio MP3 Player with 3.4A Dual USB Car FM Transmittor Phone Charger

Product description

Describe:

Use voltage:DC12-24V

Output current:3.4A

Bluetooth version:V4.2

FM frequency:87.5-108MHz

Capacity:TF card/U disk ≤32G

Audio format:MP3/WMA/WAV/FLAC

Colour:Black/Tarnish/dark coffee

Bluetooth distance:5-10m

FM emission distance:3-5m

Suitable for:Bluetooth-enabled

mobile phone

Packing list:

1 * Bluetooth hands-free FM transmitter

1 * user's manual

  • High Quality Bluetooth Transmitter - More stable FM signal, better anti-interference performance, enhanced sound experience and built-in microphone with Echo cancellation and noise suppression (CVC) technology, offer your hands-free talking and wonderful music.
  • Dual USB Charging Ports- This car fm transmitter with two USB ports for charging devices, It has two USB charging ports, It can charge two devices at the same time and has overcharge protection.
  • Excellent HI-FI Stereo Sound - Noise and wind suppressed by CVC technology to create full duplex sound quality; support MP3/wma/wav/flac, anti- statics design, enjoy the lossless music in your car
  • Universal Compatibility & Memory Function - Supporting mobile's A2DP function, work with SD, TF card and U disc. Fit for most of the smartphones, tablet and more devices that equipped with bluetooth function. Besides, it will automatically connect to its memorized paired Bluetooth device when power on
  • Charge Easily - With two USB charging ports (output 5V-2100MA), you can get your devices full charged in short time. The power comes from cigarette lighter so it is suitable for most cars

VicTsing (Upgraded Version) V5.0 Bluetooth FM Transmitter for Car, QC3.0 & LED Backlit Wireless Bluetooth FM Radio Adapter Music Player /Car Kit with Hands-Free Calls, Siri Google Assistant

Based on 24 reviews Check latest price

Product description

Do you have to unplug the wireless FM transmitter to prevent it from draining your car battery?

Does your car adapter stop working after use of a couple of months?

You won’t encounter these problems with VicTsing FM Transmitter !

Voice GPS Navigation

With navigation function, it helps drivers find their destinations more quickly and conveniently.

Power ON/OFF

No need to worry about the draining car battery anymore. Just long press CH button for 2 sec to turn it on and long press for 3 sec to turn it off.

6 Security Protection

Equipped with electric protection of overcurrent, overvoltage, overcharge, overload, overheat and short circuit, it’s more reliable and safer to use.

Strong Compatibility

Compatible with phones, tablets and any Bluetooth enabled devices, as well as cars, trucks and other 12-24V vehicles.

High-end Appearance

Made of superior aluminum alloy material with strict crafting process, it is super durable, chic and exquisite.

Mini and Portable

Measured 7.5x3.5x3.5 cm/3x1.4x1.4 in with light weight, it’s compact and space-saving for your car.

Multifunctional Phone Button

Designed for music play/pause and hands-free calls (Answer/Hang up/Reject/Redial last number). Besides, long press it for 2 sec to activate or log out of Siri.

  • ♕【2 PORTS USB CAR CHARGER and QC3. 0 CHARGER】Support Charge 2 devices simultaneously with Bluetooth FM transmitter for car. One port is Quick Charge 3.0 port, Up to 4X faster than standard chargers, able to charge compatible devices to 80% in just 35 minutes, and the other USB charging port (5V/1A) also functions as a U disk port for play music.
  • ♕【BLUETOOTH V5.0 & WIDE COMPATIBILITY】With advanced Bluetooth V5.0 chip, this FM transmitter bluetooth provides faster pairing and more stable sound than other normal products in the market. It can effectively avoid the problems of unstable connection. The fm transmitter also has wide compatibility with all Bluetooth enabled devices, such as iPhone, iPad, LG ,Samsung, Tablet, HTC, Sony and other Android Smartphones; Also it will fit all of cars/trucks (12-24V).
  • ♕【SIRI GOOGLE ASSISTANT】VicTsing V5.0 Bluetooth FM transmitter supports voice commands to ensure safe driving, using Siri or Google Assistant to make phone calls, send texts or get driving directions.Get your things done faster and more convenient with intelligent Siri/Google Assistant and Enjoy complete voice-control while you driving.
  • ♕【IMMERSE IN Hi-Fi MUSIC】Insert a USB flash driver (≤32G)which contains MP3 files into the "RIGHT" USB port and enjoy it. If that's not enough, it can also support your playlist with no distortions of the original signal from your MP3, LG, Samsung, Android Smartphones and more Bluetooth enabled devices. The bluetooth fm transmitter will bring you an amazing auditory experience with its clear and stereo sound.
  • ♕【 HANDS-FREE CALLS& COOL LED LIGHT】High-performance microphone with Noise Suppression (CVC) technology, grants you crystal clear call. Answering/redialing/dismissing or ending call just simply click a button. Also support private call. make you drive more safely. And in the night, the Blue LED light will remain on constantly after the successful Bluetooth pairing, allows you to see easily during the nighttime and will make your car’s internal layout looks cooler and more attractive.

User questions & answers

Question: How do you make a phone call
Answer: 1. Adjust the frequency on your car radio to be the same as what is on the FM transmitter(to a blank frequency). 2. Connect your phone to the FM transmitter through Bluetooth. 3.When a call comes in, press the phone button to answer it.
Question: What are the exact measurements of the device once plugged in? The length it comes out from the cigarette lighter? The width at the widest part? Thx
Answer: 4.41 x 2.95 x 1.89 inch. Hope it helps.
Question: Does it allow you to control the volume
Answer: Yes. You control the volume by your car stereo and also by your phone. If your phone volume is too high then the sound will distort a little.
Question: Can cars next to you, listen to your call or music had they tune to the same FM
Answer: OMG I just ran out to test this. Yes it can be picked up by more than one radio loud and clear. So I put this in vehicle 1 and drove off with vehicle 2 down the road. it picked up the transmission about 2 blocks away. Thankfully I don't use this for more than music until I save up for a new stereo. I have 2 brands of these and they all do it, incase that was your next question.

Product features

Multifunctional QC3.0 BT 5.0 Bluetooth FM Transmitter

Featuring one advanced QC 3.0 speedy charge port, VicTsing Bluetooth FM transmitter is capable of streaming wonderful music and keeping you connected when driving, making your driving more interesting and safer.

Dual Ports & QC3.0 Charger

Support charge both devices simultaneously, one is for QC3.0 quick charger. Smart output current pairs all cellphone and tablet, safely charging to your device without damage to the battery with this bluetooth car transmitter.

Smart Car Locater Function

Open the App to get the information of destination on cell phone, broadcast your car navigation more clearly and simply, making you driving safer when connect our BT V5.0 fm transmitter.

USB / MP3 Player

Bluetooth enabled device or USB flash drive, noise and wind suppressed by CVC technology will create full duplex sound quality, lets you enjoy the lossless music whilst driving.

Univeral Compatibility

This bluetooth fm transmitter can be paired as a hands-free kit with all Bluetooth enabled devices, such as LG ,Samsung, Tablet, HTC, Sony and other Android Smartphones; Also it will fit all of car/truck (12-24V).

Warm Using Tips

Pair with your car to FM transmitter

1. Simply plug the item into car cigarette socket, find the empty station (not the local station,changing it if it is static)., then adjust the bluetooth fm transmitter station to be the same as that of the car.

2. Short press the CH button and short press the forward or backward button to increase or decrease the station within 3 seconds.

Warm Notes For You

Power Off: Long press the CH button for 3 sec.

Light Switch: Double press the CH button to turn on/off the light.

Volume control: You could long press the forward or backward button to adjust volume.

Guanda Bluetooth FM Transmitter for Car, Bluetooth Car Adapter, 4-in-1 Car MP3 Player with 1.8 Inch Color Display, AUX Input/Output, 3 Port USB, S Handsfree Call, SD/TF Card, USB Disk,QC3.0,5 EQ Modes

GUANDA TECHNOLOGIES CO., LTD.

Based on 1 reviews Check latest price
  • UNIVERSAL COMPATIBILITY & WORRY-FREE MONEY-BACK GUARANTEE: Guanda’s Bluetooth car adapter can accept 4 different audio inputs: Bluetooth; U Disk (≤32G); AUX Port for both input and output; or TF Card (≤32G). The Bluetooth wireless car radio adapter is compatible with Samsung, LG, Sony, iPhone (including X, XS, 11/12 Pro Max), Android, iPod, and more.
  • OPTIMAL FOR CAR STEREOS: This FM transmitter Bluetooth car kit can broadcast music on your mobile device to an FM frequency for stereo sound delivered through your vehicle's speaker. The Bluetooth car radio kit plays high-quality MP3, WMA, or FLAC files for you to listen to 5 EQ music modes.
  • RELIABLE & UL APPROVED: This Bluetooth FM transmitter for car streams straight from your phone to your car’s sound system using anti-interference, noise canceling CVC technology. The car Bluetooth transmitter makes you get the best stable radio signal and a reliable connection. Bluetooth 4.2 provides echo-cancellation to reduce background noise for clearer calls.
  • LARGE LCD DISPLAY: Designed to have a brighter and clearer display, a 1.8 inches color display and a 360° flexible hose, this FM transmitter Bluetooth for car offers you the best viewing experience. See phone calls, select songs, view your car battery voltage, pick a radio frequency, and toggle connected devices all from one screen.
  • FAST CHARGING: Both driver and passenger get simultaneous high-speed charging using dual USB ports. With QC3.0 and 5V/2.4A USB ports on Guanda Bluetooth car charger adapter, so you can get your devices fully charged in no time. The power of audio wireless car kit comes from the cigarette lighter so it is suitable for most cars.

Product features

Now, plug in, hit the road while listening to your favorite tunes.

With UL Approved, Guanda’s 4 in 1 Bluetooth FM Transmitter for Car, you can drive safely. Answer, hang up, reject a call, redial the last number, and pick your favorite song all from one easy to use display.

Guanda’s 4-in-1 audio car Bluetooth adapter automatically connects to the last paired device and provides a stable connection for seamless handsfree calling that is easy and safe.

With two USB charging ports on Guanda FM Transmitter, you can charge your phone or other devices simultaneously.

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