Custom Braided Dual Sennheiser 2-pin Cable for HD600, HD6XX, 58x and m – Hart Audio Cables
Dual Senn. 2-pin headphone cable for HD Series (600, 6XX, 58x & more) – Hart Audio Cables
Amazon.com: Audio Cable Replacement with in-Line Mic and Remote Volume Control - Compatible with Sennheiser HD525 HD545 HD565 HD580 HD600 HD650 Headphone and Compatible with Samsung Galaxy Huawei Android : Electronics