Sony MDR-7506 - closed-back studio headphones, black

Weight: 230 g Recommended usage: Stage/Studio Cable length: 3 m Foldable: Yes Product colour: Black Wearing style: Head-band Product type: Headphones Carrying case: Yes 6.35 mm connector: Yes Connectivity technology: Wired Connector contacts plating: Gold 3.5 mm connector: Yes Cable type: OFC Brand compatibility: Any brand Microphone type: Not available Warnings: The product contains lithium batteries which may present a fire hazard. Maximum input power: 1000 mW Magnet type: Neodymium Driver unit: 4 cm Driver type: Dynamic Ear coupling: Circumaural Headphone frequency: 10 - 20000 Hz Impedance: 63 Ω Headphone sensitivity: 106 dB Acoustic system: Closed