An interconnect for connecting a sound processor to a headpiece and headpiece assemblies including the same. The interconnect comprises: a plug (236) including a center conductor (246), an outer conductor (242) and a crimp body (248); a coaxial cable (202) including a center conductor and an outer shield positioned over the crimp body (248); a ferrule (240) crimped to the crimp body with the outer shield there between; and a crimp pin (238) crimped to the cable center conductor and secured to the plug center conductor (246).