type: Dynamic neodymium magnet •Driver size: 40 mm •Sensitivity (1kHz): 105 dB •Impedance (1kHz): 44 Ω •Max. input power (1kHz): 500 mW •Frequency range: 10 Hz – 22 kHz •Net weight (without cable): 0.6 lb (181 g) •Shipping weight: 1.55 lbs (612 g) •Length of cable: 3 meters (9.84 ft) •Type of cable: Detachable coiled oxygen-free copper •Plug: Gold-plated 1/8" (3.5 mm) stereo mini jack