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Federal Signal

Federal Signal Rumbler Low-Frequency Siren

Rumbler low frequencies deliver up to 10 dB more sound pressure inside civilian vehicles

Product Description

Features

Rumbler Diagram

 

The Rumbler®, traffic clearing system demonstrates the long-standing commitment of Federal Signal to continue as the technological leader in an audible warning and operator safety.  

Improves Traffic Warning Effectiveness
The Rumbler introduces a revolutionary new concept to audible warning through its ability to interact with most 100/200 W siren amplifiers and provide secondary, low-frequency duplicate tones. Low-frequency tones have the distinct advantage of penetrating solid materials allowing vehicle operators and nearby pedestrians to FEEL the sound waves.

 Secondary System with Built-in Safety

The Rumbler system senses the primary siren tone signal and reduces the signals"™ frequency by 75%. It then amplifies the sound through a pair of high-output woofers. The system"™s timer allows the tone to sound for eight seconds, provides a highly effective warning, and automatically shuts off. The Rumbler is particularly effective when used in dense urban environments with heavy vehicle and pedestrian traffic.  

A complete Rumbler traffic clearing system consists of an amplifier, with built-in timer and two subwoofers. Vehicle specific mounting hardware is ordered separately. This system can be paired with most 100/200 W emergency siren amplifiers. 

Compatible Federal Signal Siren Models 
The Following Federal Signal siren models are compatible with the Rumbler System when used with a Federal Signal speaker(s).

*Note: EQ2B(Legacy) amplifiers are not compatible.

Pathfinder Integrated Rumbler Capability

  • Pathfinder + (1) 100 W siren speaker = single-tone, standard PA 
  • Pathfinder + (2) 100 W siren speaker = dual-tone, standard PA 
  • Pathfinder + (1) 100 W speaker + (1) or (2) Rumbler woofers = single tone, Rumbler, Enhanced PA 
  • Pathfinder + (2) 100 W siren speakers + RUMBLER-3 (includes two woofers) = Rumbler, dual-tone siren, standard PA (one channel will Rumble)
  • Pathfinder + (1) or (2) Rumbler woofers + (2) 100 W siren speakers + MS4000 = dual-tone, Rumbler, Enhanced PA
Looking for mounts or accessories for the Rumbler siren system? click here to be redirected to our Federal Signal Rumbler Accessories page.
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