*Please note*: The original knob is missing from this unit. The included white knob works, but was damaged and has been repaired as well as possible. We have so far been unable to find a replacement OEM knob for it. Therefore this unit is being sold at a discounted price.
 
The classic Street Thunder siren is versatile and has recognizable, classic siren tones. All features and controls utilize screw-down terminals for ease of use. It can be paired with a 58W or 100W siren and includes radio rebroadcast, PA function, and more.