Sennheiser HD 300 PRO - professional headphones, dynamic, closed

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