The problem is that FM transmitters aren’t foolproof, and they don’t always work right.
Why Choose an FM Transmitter?
With the adoption of smartphones across the board, you don’t need a dedicated smartphone.

vlabo / istock / Getty Images
Buying cheap at the expense of features, and you’re begging for a poor listening experience.
Choose one of those FM transmitters, and you’re stuck with what it gives you.
Input options are another important feature to keep your eye out for.

Barbara Mauer / The Image Bank / Getty Images
However, you could find transmitters that includeUSB connections, SD card slots, and other options.
When headphone jacks starting disappearing from MP3 players, wireless FM transmitters took over much of the market.
Some transmitters can play music from aUSB stickor SD card without the need for a separate MP3 player.

Image Source / Getty Images
All of these features provide superior sound.
These are the places you’re most likely to find some free space.
For example, you find that 87.9 MHz is free and clear, but you still have interference problems.

Takamitsu GALALA Kato / Image Source / Getty Images
Tear It all Down: Should You Be Using an FM Transmitter?
marcoventuriniautieri / Getty Images
Sometimes, nothing you do works.
Try the lookup tools first.

marcoventuriniautieri / Getty Images