Unit Type : Electro Dynamic Round Type Micro Speaker(total 4 units)
Frequency Response : 50 Hz ~ 20 kHz
Sound Pressure Level : 103dB +/- 3dB at 1kHz
Impedance : 32 Ohm at 1kHz 40mm dia. for Bass Sound
Impedance : 32 Ohm at 1kHz 28mm dia. for High Frequency Sound
Nominal Power : 10mW
Maximum Power : 50mW
Weight : approx. 124g (without cord)
Straight, 150cm
Plug : 1 standard stereo headphone jack (3.5mm)