An mp3 FM transmitter is very useful in situations where you want to listen to your iPod in your car but your stereo isn’t equipped with a line input or tape deck. Listening to headphones while driving is illegal, but an mp3 transmitter allows you to transmit the signal from your mp3 player directly to your car’s FM radio. There is a large selection of mp3 transmitters on the market, ranging in price from under $10 to over $100 and varying in sound quality, ease of use, and perhaps most importantly, how safe they are to operate while driving.
One option to consider is how the device will be powered. Many transmitters plug directly into your car’s power socket (or cigarette lighter), allowing for uninterrupted usage. Battery operated models may have their obvious drawbacks in comparison but may be preferable for relatively short drives or where using a power cable is seen as an inconvenience.
Ease of use is another factor to consider when purchasing an mp3 transmitter. The buttons on the controller of the transmitter should ideally be easy to operate, with distinctive buttons that can be found without looking directly at the device. The less one is distracted by using the device the more attention one can pay to the task of driving. If one wants to be able to operate the mp3 player from the backseat of a car, it is important to make sure the cable that goes to the mp3 player is long enough to allow for such use.
The sound quality of an mp3 transmitter is mainly determined by the signal strength of the device. In general, the more expensive devices have a stronger signal and thus better sound, although with any device one may still have to play with the position of the mp3 player and transmitter in relation to the car stereo in order to get the best reception. Sound reception is generally better outside of metropolitan areas due to less interference.
Finally, whether the mp3 FM transmitter plugs directly into the mp3 player via a cable or acts as a stand (or docking cradle) for the unit is one of the most important factors to consider. A transmitter that does not keep the mp3 player in a stationary position can cause problems if one has to break suddenly, as searching for an iPod that has fallen on the floor can be a serious driving hazard. For the latest and most efficient FM transmitter look find here.