Federal Signal #Q2B-012PSD Q2B Mechanical Siren Pedestal Bumper Mounted

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"It's not a fire truck without a Q-Siren."

More than 50 years of fire service tradition and history. The Federal Signal Q2B? electro-mechanical siren is a beautifully streamlined, chrome-plated siren designed to provide unparalleled reliability for long-life operation. When mounted on emergency vehicles, the Q2B delivers a powerful warning sound of 123 decibels at 10 feet, more than any other electro-mechanical siren.

A heavy-duty coaster clutch is standard on Q2B models. The unique coaster clutch design enables the siren to deliver longer coast-down sound once power is removed to reduce battery drain. The ?worry free? clutch is subject to very little wear and requires no service attention or adjustMen's. Use the standard electric brake to quickly silence the siren.

Two Q2B models are available. The Q2B-P comes with pedestal and housing for bumper mounting. Q2B-NN is designed for recessed mounting in the bumper.


  • Improves emergency vehicle operator safety
  • 123 decibels at 10 feet
  • Chrome plating and highly polished stainless steel
  • "Worry free" coaster clutch
  • Quality and reliability


Voltage 12 VDC
Operating Current 100A
Sound Output 123 dB @ 10ft.
Dimensions: 14.0" x 10.0" x 10.5"

The distinctive sound of the Q2B electro-mechanical siren is a registered trademark owned by Federal Signal Corporation.

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