Amazon.co.jp: Twaxl Beyerdynamic MMX300 2nd Headphone Replacement Cable Audio Cord Line 3.8mm Volume Control Cable : Electronics
Genuine replacement cable for DT 770, DT880 & DT 990 PRO 250 Ohm versions. – beyerdynamic Australia
Amazon.co.jp: NewFantasia Replacement Cable for Beyerdynamic T1 2nd Gen / T5p 2nd Gen Headphones 3.5mm Male to 6.35mm Adapter to Dual 3.5mm Jack Male Audio HiFi Cord 1.2m/4ft : Electronics
beyerdynamic Coiled Cable DT770/880/990Pro – Thomann UK