Vibration M g wind:
Size: 15 mm
Sensitivity:-54 dB + 2 dB
Directionality: vibration type
Frequency: 100 Hz ac 160 KHz
Impedance: 2.2 k
Working voltage: 1 V-10 V
Horn:
Size:  15 mm
Rated impedance: 32 ohm + 15 %
Frequency range: 400 Hz ac-20 KHz
Sensitivity: 102 dB + 2 dB
Rated power: 20 mw
The maximum power: 30 mw
Wire:
Main: 2.5 mm
Points line: 1.7 mm
Temperature 20 °C resistance:- 90 °C
Material: PU