iFi 4.4mm to 4.4mm Balanced Interconnect 0.3mFantastic 4. The iFi 4. 4mm to 4. 4mm cable employs heavy OFHC continuous cast copper and silver matrix conductors with a total thickness of 14AWG for the best signal transfer.\ Whether you are connecting our ZEN series or other balanced components, our audiophile grade cable will enhance your listening. It has been created to give you maximum quality balanced signal transfer and minimum interference. Shields to max. The cable construction is a custom