A professional over-ear dynamic audiophile headphones made of two kinds of wood - Mahogany and Maple - classic tone woods married in audio bliss. The GS2000e combines them in the same manner that luthiers have done for centuries, and for the same reason: resonance. Different types of wood sing with their own personalities. In addition every component in the GS2000e is considered carefully, the new purpose built 50 mm drivers, the 12 conductor ultra high purity copper cable and ear cushions, all work together for an engaging musical experience. The frequency range of this open-air headphones is 4 – 51000 Hz, with the impedance of 32 ohms. The package also contains a 3,5 mm mini adapter and extension cable.