Headphone jack, headphone plug, headphone and electronic equipment

The present disclosure relates to a headphone jack, headphone plug, headphone and electronic equipment, the headphone socket comprising: a socket body, the socket body form a headphone jack; a plurality of ground terminals, is provided in the headphone jack inside, can headphone when the plug is inserted into the headphone jack, are in contact with the contact area on the headset plug. By techniques disclosed can be reduced headset crosstalk and enhance the sound quality.