Zynsonix has been providing audiophile quality custom headphone cables to enthusiasts for many years. Running a quick search for "Zynsonix" will yield plenty of positive feedback. You'll find many balanced and single-ended headphone cables here for headphones like AKG, Audeze, Beyerdynamic, Focal Audio, HiFiMan, Kennerton, Meze, Oppo, Rosson Audio, Sennheiser, ZMF and more. In addition, you'll also see balanced and standard audio interconnects, extension cables, adapters, speaker cables, headphone switch boxes and speaker amp to headphone converter boxes. If you don't see what you are looking for, it's likely it can be made (and probably already has), simply reach out via the contact page.