EXTERNAL LOUD SPEAKER
POWER SUPPLY PROVIDE BY TELEPHONE
This series speakers have aluminum hirn bodies.They are cabinet and easy for installation .
Each of them has strong output,low input impedance and high effect,The trsnsmitting range is far.
Idear for paging system,Siren &Alarm system,Traffic&Crowd control by police ,Indoor&Outdoor Application Publicty,Vehicle Installation,High Noise Areas
Rated Power :30W