Sennheiser HD 300 PRO - professional headphones, dynamic, closed

Headphone frequency: 6 - 25000 Hz | Package contents: Headphones | Headphone sensitivity: 108 dB +/- 3 dB | Storage relative humidity (H-H): 0 - 90% | Ear coupling: Circumaural | Recommended usage: Studio | Package contents: User manual | Package contents: Adapter 6.35 mm x 1 | Package contents: Audio Cable x1 | Impedance: 64 Ω | Transducer type: Dynamic | Cable length: 1.55 m | 3.5 mm connector: Yes | Folding design: Yes | Product colour: Black | Length: 245 mm | Minimum operating temperature: -15 °C | max SPL: 123 dB | Wearing style: Head-band | Weight: 297 g | Connectivity technology: Wired | Cable colour: Black | Width: 187 mm | Product type: Headphones | Height: 84 mm | Acoustic system: Closed | Maximum temperature: 55°C | Noise reduction level: Up to 32 dB | Warnings: Read the user manual before use. | Warnings: Do not disassemble or modify the product yourself. | Harmonic distortion (THD): 0,1%