The Q-Siren fire engine siren is available in two Q2B models. The Q2B-012PSD and Q2B-P-BLK come with a pedestal for bumper mounting and the Q2B-012NNSD and Q2B-NN-BLK are designed for recessed mounting in the bumper.

The e-Q2B® electric fire truck siren includes a 200 W Class D audio amplifier for increased reliability and external diagnostics to monitor power, output voltage, and current monitoring.

With 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.

The Q2B siren ("Q-siren") [1] is an electromechanical siren that is produced by the Federal Signal Corporation and is most recognizable for its sound, which is trademarked, and the look of the siren. History

With more than 50 years of fire service tradition and history, the Federal Signal Q-Siren (model Q2B) is a beautifully streamlined, chrome-plated siren designed to provide unparalleled reliability fornlong-life operation.

Q2B-012PSD SIREN, 12V, PEDESTAL MOUNT by Federal Signal. Lights and Sirens. Innovation for those that provide safety.

People’s lives depend on your proper installation and servicing of Federal Signal products. It is important to read and follow all instructions shipped with the product.

Federal Signal e-Q2B Electric Siren. The e-Q2B® includes 200 W Class D audio amplifier for increased reliability and external diagnostics to monitor power, output voltage and current monitoring.

The e-Q2B has been completely redesigned to incorporate 200W Class D audio amplifier for increased reliability. In addition, external diagnostics have been added to monitor power, output voltage and current monitoring.