what is driver in earbuds

In earbuds, the driver is the component that produces sound by converting electrical energy into acoustic energy. The driver is responsible for creating the sound you hear and is usually made up of three components that work together to create sound: the magnet, the voice coil, and the diaphragm. The size of the driver, indicated by the driver diameter, is an important factor in determining the sound quality of the earbuds. Most drivers for earbuds are 13.5-15.4 mm in diameter, with those for canalphones being 8.8-12.5 mm. The larger the diameter of the driver, the better the sound quality tends to be. Dynamic drivers are the most common type of driver used in earbuds, and they feature a membrane diaphragm stretched across a voice coil and magnets, which moves in a push-pull motion when a current is applied to the magnets.