| Model Number |
ET3970H14.2 |
| Place of Origin |
Jiangsu |
| Brand Name |
Tianhong |
siren alarm Dimension:39*14.2mm DC resistance:19ohm+/-10% Impedance(at 1KHz):More than 70ohm Resonant Frequency:2500+/-20% SPL(at 1m 1000Hz 24Vp-p square wave):more than 90dB Other coil resistance is available.