Cuffie sennheiser hd580 precision , Con padiglioni auricolari e cuscino sottoarchetto nuovi . Cuffie perfette suono eccezionale . No scatola originale prezzo trattabile Specifications: Frequency Response: 12–38,000 Hz Transducer Principle: Dynamic, Open Frequency Characteristic: Diffuse field equalized Nominal Impedance: 300 Ω Characteristic SPL at 1 kHz: 97 dB Load Rating: 200 mW THD: 0.1 % Ear Coupling: Circumaural Contact Pressure: Approx. 2.5 N Weight (without cable): 9.17 oz