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

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