Without a reservation of any nature, B&M Siro-Drift Sirens are the supreme achievement in design and effectiveness of highway warning sirens offered for Fire, Police, and Ambulance Service.

 The B&M Siren Manufacturing Company's engineers have used over 110 years of experience to create the most efficient and effective sirens available.

While using half the current and being half the weight of its nearest competitor, the  B&M  Super-Chief  siren has been verified  more  effective  at real-world operating distances.

B&M Siro-Drift sirens are designed and manufactured in the USA of the finest components to provide unsurpassed service, and are covered by our 5-year warranty against defects in materials or workmanship.