The earphone socket connector comprises a male head and a female seat. The female seat comprises a plastic base, a
signal terminal, a first switch terminal and a second switch terminal, the plastic base is provided with a jack, the first switch terminal comprises a first fixing part, a first elastic arm, a first weld leg and an insulating block, one end of the first elastic arm is connected to the first fixing part, and the insulating block is connected to and wraps the other end of the first elastic arm; the first
welding leg is connected to the first fixing part; the second switch terminal comprises a second fixing part, a matching part positioned on the outer side of the first elastic arm, and a second
welding pin; the male head can be inserted into the jack, a contact area matched with the
signal terminal is arranged on the
peripheral surface of the male head, an
extrusion part is formed at the end part of the male head, and the
extrusion part is used for extruding the insulating block outwards when the male head is inserted into the jack, so that the first elastic arm is in contact with the matching part of the second switch terminal after being deformed outwards and is electrically conducted with the matching part of the second switch terminal. According to the utility model, the audio transmission is not interfered, and the audio
transmission quality is improved.