Goldring DR50m, Cuffia Stereo Diaframma in Mylar

Features a dynamic open back system for superior sound staging and imaging Soft, leather effect circumaural cushions to create comfortable seal around the ear 3m cable with 99.999% pure oxygen free copper conductors Detachable, highly flexible performance cable with custom designed Goldring jacks to deliver superior performance and style Nickel plated 3.5mm to 6.5mm (1/4 inch jack) adapter plug supplied Cable replacement or upgrade facility 40mm drive units with neodymium magnet and Mylar diaphragm Hi-fi quality sound Impedance 32 Ohm Frequency Response 32-20kHz Total Harmonic Distortion (1Vrms @ 1kHz) <0.2% Sound Pressure Level (1Vrms @ 1kHz) 110dB Weight (with cable) 330g