4.4mm to 4.4mm Cable by iFi audio - An audiophile grade interconnect for your balanced components.
Sukira HiFi Cable with 4.4MM Balanced Male for Sennheiser HD700 Headphones and Sony WM1A, NW-WM1Z, PHA-2A Silver Plated Audio Cable : Amazon.ca: Electronics
4.4mm Pentacon Balanced Cable Discover the Best Headphones for Critical Listening with Rosson Audio Rosson Audio Design