Sennheiser HD 25 - professional headphones, dynamic, closed

Warnings: Do not disassemble or modify the product yourself. | max SPL: 120 dB | Package contents: Adapter 6.35 mm x 1 | Warnings: Read the user manual before use. | Package contents: Headphones | Harmonic distortion (THD): 0,3 % | Product type: Headphones | Acoustic system: Closed | Recommended usage: Studio | Transducer type: Dynamic | Ear coupling: Circumaural | Weight: 140 g | Connectivity technology: Wired | Impedance: 70 Ω | Headphone frequency: 16 - 22000 Hz | Cable colour: Black | Wearing style: Head-band | Product colour: Black | Cable length: 1.5 m | 3.5 mm (1/8-inch) in: 1