A version of the X series designed specifically for the transmission of digital signals. The female connector features a coaxial ground spring which gives an accurate connection to the mating shell. Both incorporate a hex crimp ferrule at the cable-entry for improved transition of the cable screen to the shell and full, 360 degree screening coverage. The combination of these features mean that when mated together, a minimum screening of -55dB up to 1.3GHz is obtained. These connectors meet the recommendations for screening defined in the AES3 standard.