ITEM NAME:Headphone Replacement Cable For Sennheiser Hd414 Hd650 Hd600 Hd580 Hd25 Ear C9U4 Headphone Replacement Cable For Sennheiser Hd414 Hd650 Hd600 Hd580 Hd25 Ear C9U4 The use of a high number of oxygen-free copper cores,the number of cores can increase the surface area of the core in the unit cross-sectional area,and the high-frequency part of the audio signal in the oxygen-free copper core transmission is in the surface of the conductor.Therefore,by increasing the number of cores,the high frequency and resolution of the sound quality can be improved,and the sound field can be enhanced. Transparent lines on the high-end grade,cool appearance,wire softness is very good,not knotted. The main line diameter 2.5MM,strong compressive,durable. Color:Black Material:PC Size:about 1.2 meters in length Package Contents: 1* headphone cable