HiFi Cable with 4.4MM Balanced Male to Dual 3.5mm Connector Compatible with Hifiman Sundara, Arya, Ananda Headphones and for Sony WM1A, NW-WM1Z, PHA-2A: Amazon.co.uk: Electronics & Photo
Balanced Headphones: All You Need To Know – Headphones.com
Balanced Headphones: All You Need To Know – Headphones.com
Balanced vs Unbalanced Audio Connections - Headphonesty
Balanced vs Unbalanced Audio Connections - Headphonesty
Why your headphone cable is NOT balanced : r/DIYAudioCables