This headphone is a classic all-rounder and an affordable entry into the audiophile 500 series. The HD 515s are fitted with Sennheiser’s innovative E.A.R. technology, plus special Duofol diaphragms that reduce unwanted resonances to an absolute minimum. Overall listening pleasure is combined with outstanding wearing comfort. Open, circumaural, dynamic, wired stereo headphones Eargonomic Acoustic Refinement (E.A.R.) enables ideal sound channelling for a new kind of listening experience State of the art, advanced Duofol diaphragms Highly optimized, field-strengthened neodymium ferrous magnet systems Outstanding wearing comfort for long listening sessions Longevity through exchangeable components (ear pads, cable, headband) Lightweight aluminium voice coils for high efficiency and excellent dynamics 2-year warranty Features Specifications Nominal impedance 120 Ohm Contact pressure 3,5 N Weight w/o cable 255 g Jack plug 6,3 mm stereo (3,5 mm Adapter) Transducer principle (Headphones) open, dynamic Ear coupling circumaural Cable length 3 m Frequency response (headphones) 14.....26000 Hz Sound pressure level (SPL) 104 dB (1 kHz and 1 Veff) THD, total harmonic distortion < 0,2 %
