•TYPE : Closed-back Dynamic (Headphone),Cardioid Dynamic (Microphone)
•DRIVER DIAMETER : 40 mm (Headphone)
•MAGNET : Neodymium (Headphone)
•VOICE COIL : Copper-clad aluminum wire
•FREQUENCY RESPONSE : 20-20,000 Hz (Headphone) ,40-20,000 Hz (Microphone)
•SENSITIVITY : 100 dB (Headphone) ,-57 dB (1.4 mV) re 1V at 1 Pa
•IMPEDANCE : 65 ohms (Headphone) , 560 ohms (Microphone)