1) Frame: Plastic
2) Size: 40 (D) x 7.5mm (H)
3) Usage: Headphone
4) Rated Impedance: 32ohm
5) Rated Power: 30mW
6) Max. Power: 50mW
7) Sound Pressure Level: 118dB
8) Total Harmonic Distortion: Less than 5%
9) Resonant Frequency (Hz): 250Hz
10) Frequency Range (Hz): Fo-10KHz
11) Magnet Size (mm): D12.5*H1.5 mm
12) Voice Coil (mm): D13.4 mm
13) Diaphragm: PET
