Sennheiser HD 490 PRO Plus - professional reference open-back studio headphones

Weight: 260 g Maximum temperature: 50°C Folding design: Yes Product type: Headphones Minimum operating temperature: 0 °C Recommended usage: Studio Product colour: Black Wearing style: Head-band Cable length: 1.8 m Cable colour: Black Package contents: Adapter 6.35 mm x 1 Included software: DearVR MIX-SE Connectivity technology: Wired 3.5 mm connector: Yes Warnings: Do not disassemble or modify the product yourself. max SPL: 128 dB Driver diameter: 38 mm Transducer type: Dynamic Acoustic system: Open Headphone frequency: 5 - 36000 Hz Ear coupling: Circumaural Impedance: 130 Ω Harmonic distortion (THD): <0,2%