Geekria 2.5mm Balanced Cable Compatible with HIFIMAN SUNDARA, HE4XX, 4
Replacement Cable Compatible with Hifiman HE4XX, HE-400i (The Latest Version with Dual 3.5mm Plug) Headphones 3.5mm & 6.35mm to Dual 3.5mm Jack Male Cord 2m/6.6ft Bluetooth Headsets & Accessories - Newegg.com
Replacement Cable for Hifiman SUNDARA Ananda,Upgrade Cable for Hifiman HE4XX/HE-400i/HE560/HE-350/HE1000 - Walmart.com