Amazon.com: GAGACOCC DIY 1/4 6.35mm Male to 4-pin XLR Female Balanced Headphone TRS Audio Adapter HiFi Cable for 4pin XLR Male Headphone Cable : Electronics
Demevalos' Guide to Building Audio Cables - Headphonesty
Headphone Cables/Builds w/ Pictures - DIY - Do It Yourself (DIY & Mods) - The HEADPHONE Community
Balanced headphone cable for diy | DIY Audio Projects
Making my own DIY headphone cable : r/DIYAudioCables
My first DIY Balanced Cable was a success! Used Nuetrik/Rean Connectors & Mogami Cable. Something to keep me from buying new headphones every month lol. : r/headphones