1. High sensitivity and efficiency; 
2. Reliable and Rugged; 
3. Lightweight construction;
4. Weather proofing sealed or Anodised;
5. Various terminations available: Locknuts for spade or Ring terminals tags for slide terminals or soldering.

Sensitivity @1KHz:         100 ± 3dB (0dB=20μPa)

AC impedance @1KHz:   350 ± 30% ohms

T.H.D (1KHz at 0.6V):    <5%

Frequency range:           100-3400Hz

Dimension:                   45.5*16.5mm

Operating temperature:  -5 0 ℃ ~ +60 ℃