Federal Signal Model PA15A Siren Amplifier & More - "Director" Electronic Siren and Public Address Amplifier for use in Police, Fire and Ambulance Vehicles. Faraday Pulldown Fire Alarm, Fire Hydrant Spanner Wrench. All information and photos, which are part of the description, are intended to be as accurate as possible, but errors are possible. No item may be returned or refused based on this information, which is provided as a service to bidders. Please read terms & conditions and ask questions before bidding.