Sennheiser HD 25 Plus professional wired closed-back headphones

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