Sennheiser HD 25 Plus professional wired closed-back headphones

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