[. . . ] [. . . ] The HD 580 Precision can be connected directly to hi-fi systems of the highest quality, in particular DAT, DVD, MiniDisc and CD players. These headphones are an ideal choice for the professional recording engineer recording classical music. Features--Benefits · Computer-optimized magnet systems minimize harmonic and intermodulation distortion · Extremely lightweight aluminum voice coils ensure excellent transient response · Neodymium ferrous magnet systems ensure optimum sensitivity and a very wide dynamic range · Exceptionally natural, spatial and accurate sound · Detachable OFC copper cable, Kevlar-reinforced, with very low handling noise · Velour ear cushions Technical Data Frequency response Transducer principle Frequency characteristic Nominal impedance Characteristic SPL at 1 kHz Load rating THD Ear coupling Contact pressure Weight (without cable) Connector Connection cable 12­38, 000 Hz dynamic, open diffuse field equalized 300 97 dB 200 mW 0. 1 % circumaural approx. 2. 5 N 9. 17 oz 1/8" stereo mini jack plug with adapter to 1/4" stereo jack plug 3 m, detachable dual-sided OFCp copper cable Optional Accessories Stereo volume control HZR 6 Sennheiser Electronic Corporation, 1 Enterprise Drive, Old Lyme, CT 06371 Telephone: 860-434-9190 · Fax: 860-434-1759 · Web: http://www. sennheiserusa. com Sennheiser Mexico: Av. Fax: (525) 639-9482 Sennheiser Canada: 221 Labrosse Ave, Pte-Claire, PQ H9R 1A3. [. . . ] [. . . ]