An audio jack connector includes an insulative housing (1) having a main body (10) defining a pair of opposite front and rear faces (11, 12) and a pair of opposite first and second side walls (15, 16), a set of columned mating portions (17) extending forwardly on the front face, and a set of receiving chambers (111) extending in the main body and passing through the mating portions for insertion of plugs (200); and a plurality of contacts (3) retained in the first side wall and arranged in several different rows along a transverse direction so as to protrude into the receiving chambers respectively, each row of the contacts being arranged along a front-to-back direction in accordance with an insertion direction of the plug and perpendicular to the transverse direction.