Sennheiser HD 25 Plus professional wired closed-back headphones

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