2X Headphone 4.4mm Balanced Cable DIY Cable for HD580 HD600 HD650 HD660S Headphone Upgrade Cable

and high quality. This accessory cable converts your detachable headphones (For HD580 HD600 HD650 HD660s) into stereo mobile headphones. Made of high quality material, and practical to use. The sound range is good, the sound quality is strong and solid, and the high frequency ductility is better.