Type: Closed-back dynamic
Driver Diameter: 40 mm
Magnet: Neodymium
Voice Coil: Copper-clad aluminum wire
Frequency Response: 15 - 20,000 Hz
Maximum Input Power: 700 mW at 1 kHz
Sensitivity: 96 dB
Impedance: 47 ohms
Weight: 190 g (6.7 oz), without cable and connector
Cable: 3.0 m (9.8'), straight, left-side exit
Accessory Included: 6.3 mm (1/4") snap-on adapter