Geekria 4.4mm Balanced Cable Compatible with HIFIMAN Sundara-C, SUNDAR
Drop + HIFIMAN HE4XX Planar Magnetic Over-Ear Open-Back Headphones : Amazon.ca: Electronics
DROP + HIFIMAN HE-X4 Planar Magnetic Over-Ear & Open-Back Headphones with Detachable Cables, High Sensitivity, Easy to Drive, Midnight-Blue : Amazon.ca: Electronics
Hifiman He4XX Broken strap, looking for possible fix : r/headphones