

	Mechanical Layout & Dimensions:                                                   Typical Frequency Response Curve:
	    
       
	       
	Unless otherwise specified,tolerance: ±0.2 (unit: mm)
	
	Electrical Specifications:
| Items | Technical Specifications | |
| 1 | Rated Sine Power | 30mW. Max.(Short-term):50mW | 
| 2 | Frequency Range | 200~4000Hz | 
| 3 | Impedance | 32±15%?(@ 1KHz 100mV ) | 
| 4 | DC Resistance | 30±15%? | 
| 5 | Sensitivity | 110±3dB at 1KHz, 100mV, IEC318ear | 
| 6 | Operation Temperature | -20℃ ~ +70℃ | 
| 7 | Storage Temperature | -30℃ ~ +80℃ | 
| 8 | Weight | Approx 0.5gram |