STL Premier Controller

The electronic siren adopts the ultra-thin flow line appearance design, operation expediency and big-sized luminous display. The siren sound adopts the mono-piece machine, the interruption, and the close memory function. It’s an ideal siren device which fits in a variety of special vehicles. It includes a power voltage of DC10.8 15V, and has a working current of 7.5A. It has an output power of 100W, a harmonic distortion of 5%, a microphone frequency range of 200Hz 10KHz±3B, and a working ambient temperature of 40 +50. This machine can not power 24V and the negative pole wire can not touch the iron. Be sure to finish the loudspeaker connection before switching on the power. Perfect for police fire EMS and construction vehicle usage.  Needs speaker to function.