Sennheiser HD 600 Open Back Professional Headphone (Renewed)

Lightweight aluminum voice coils ensure excellent transient response Neodymium ferrous magnets maintain optimum sensitivity and excellent dynamics Sophisticated design, elegantly finished in black and gray High-quality open metal-mesh earpiece covers Sennheiser HD600 HD 600 Open Back Headphones (Factory Repack)What is a Factory repack? Item is in great condition! Only used Demo Purposes.