Type: Over the Ear Driver Unit: 40mm Frequency Response: 7Hz - 22kHz Input Impedance: 40 ohm/1kHz Sensitivity: 99 dB/mW Cord Length: 3.94 feet Weight: 0.34 lbs. Features: Driver Type: Neodymium Driver Color: Black Plating: Gold Plated Max. Input (mW): 1000 Single-side Cord: Yes Wide Head-band: Yes Large Foam Earpads: Yes Ergonomic Design: Yes Single-side Monitoring: Yes