D02 Specifications
* SPK: Φ27mm Mylar speaker
* Impedance: 32Ω±15%Ohm
* Sensitivity: 100±3dB/mW
* Effective Freq.Band: 20∽20KHz
* Rated input power: 50mW
* Max.input power: 10mW
* Plug Type: Ф3.5mm stereo
* cord length: about 1.2M
* net weight:
* gross weight: