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