Hearing instrument and associated binaural hearing system

A hearing instrument, comprising:

• a housing being wearable in an ear of a user in an intended wearing position of the hearing instrument, said housing including a concha portion and a canal portion being thinner than said concha portion and protruding from said concha portion;
• a mechanically rigidly connected electronics unit including a battery, a signal processor and two microphones;
• a receiver;
• said electronics unit being accommodated in said concha portion, said electronics unit having an upper side facing away from the head of the user and a lower side facing the head of the user, in the intended wearing position;
• each of said two microphones being disposed on said upper side of said electronics unit and centered relative to a horizontal plane, said horizontal plane being aligned approximately parallel to a transverse plane of the head of the user in the intended wearing position and intersecting said concha portion centrally;
• and
• an antenna disposed in said electronics unit for an electromagnetic data transfer, said antenna having a base point centered on said electronics unit relative to said horizontal plane.