If the large car screen does not have a music player, you can buy a car MP3, which is powered by the car cigarette lighter, and the downloaded music is played through the car MP3.

Introduction to car-mounted MP3

Car-mounted MP3 products are a modern trendy product, pursued and loved by many audiophiles. Gradually, remote control car MP3s and electric car MP3s began to replace traditional MP3s.

It is also called an audio converter, a car MP3 wireless transmitter or an MP3 car audio companion, etc. It can be used with an ordinary MP3 player to form a car MP3 audio system. It is an emerging car audio product in the 21st century. There are many common car-mounted MP3 devices.

The working principle of these car MP3 players is very simple. It transmits the audio signals output by various portable music devices, such as MP3, CD, MD, etc., to the car FM stereo radio equipment through wireless transmission. The car owner only needs You need to set the frequency of the car radio to the frequency of the car MP3, or let the radio search for this frequency to play.

From the perspective of functional principles: There is also a separate type of digital disc cassette-type vehicle-mounted MP3 dedicated to special cars that uses the CDC disc package interface behind the original car CD host to expand wired. This type of vehicle-mounted MP3 uses direct wires. Connected to the original audio host, that is, line-in technology, original car audio button control (can be controlled by steering wheel buttons), wired connection method, reducing noise interference.

The sound quality is comparable to CD discs. Because the original car CD host is used to expand the wired connection, the requirements for the car audio host are extremely strict, so it is closely related to the original and modified car hosts.

Reference for the above content: Baidu Encyclopedia-Car MP3