1 . Operating voltage(max): 3.7 Vpp
2 . Average working voltage: 1.3 V
3 . Sound pressure level: 88dB @1kHz
4 . Current consumption(Max):130mA
5 . Impedance: 8 ± 15 % Ohm
6 . Frequency: 200-19000Hz
7 . Nominal input 0.5W, Maximum input 1W
8 . Operation temperature: -20 to +60 deg
9 . Storage temperature: -30 to +70 deg
10 . Size:16.8*6.8mm and 13*4.8 mm
