Amazon.com: Smays ATH-M50x Cable, Coiled AUX Cord Replacement for Audio- Technica ATH-M40x, ATH-M70x Headphone with 1/4 inch Adapter, 4ft to 10ft : Electronics
Sound Professionals/Audio Technica SP-ATH-M50x-ADAPTER - Use this adapter to connect standard 3.5mm (1/8") cables to your ATH-M50x headphones SP- ATH-M50x-ADAPTER