Model : SL-E14
Dimension : diamter 24mm*H13mm
Nominal Impedance :  4Ohm±15%    At1000 HZ
 Power Rating : 2 watt     MAX 3W
 Lowest Resonant requency  : 500±20% HZ.
Output Sound Pressure Level(S.P.L) : 85 ± 3db/0.1 Watt.10CMeter.Average at800,1000,1200,1500HZ.
Frequency Rang : F0-2KHZ ,Average SPL±10db
 Distortion : 3%Maxium At1000HZ  2W
 Polarity : Diaphragm shall move forward when Apply a Postive DC current the "+" or"Marked" Terminal
Load Test : Bt Audio Singnal Generator At 2.83Volts.total 48 hours and20~20KHZ Resonant Frequency
Abnormal Sound Test  : Must be Normally tasted Bt 2.83 Volts Sinwave
 Operation Temperature : 20℃ ~   50℃ 
 Storage Temperature : 40℃ ~   60℃