Amazon.com: Audio Cable Replacement with in-Line Mic and Remote Volume Control - Compatible with Sennheiser HD525 HD545 HD565 HD580 HD600 HD650 Headphone and iPhone iPod ipad Apple Devices : Electronics
Silver Dragon Premium Cable for Sennheiser Headphones
Dual Senn. 2-pin headphone cable for HD Series (600, 6XX, 58x & more) – Hart Audio Cables
Amazon.com: Audio Replacement Cable with in-Line Mic Remote Volume control Compatible with Sennheiser HD4.40, HD 4.40 BT, HD4.50, HD 4.50 BTNC, HD4.30i, HD4.30G Headphone and Compatible with Samsung Galaxy Huawei : Electronics