e-Q2B Siren System
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CHAPTER 2
An Overview of the e-Q2B Siren System
The e-Q2B is a full-featured electronic siren. A state-of the art microprocessor and DSP technology to
create a system with a small compact control head and a siren amplifier that can be installed in the trunk,
under the seat, or under the dash of any vehicle with a 12-volt, negative-ground electrical system. The
siren circuits are protected by a replaceable 30 A fuse that protrudes from the siren housing.
e-Q2B Siren System
The e-Q2B is a modular system that includes either one 200-watt speaker or two 100-watt speakers, an
amplifier/DSP (digital signal processor), and a Convergence
™
Network control head. These components
work together to generate the characteristic sound of the Federal Signal Q siren. Using DSP circuitry, the
e-Q2B amplifier is able to reproduce the true Q sound, rather than relying on a simple digital recording.
The DSP enables the product to function either manually or automatically for hands-free operation.
The Model e-Q2B-200 siren amplifier requires two 100-watt neodymium drivers that enable the unit to
reproduce the harmonics that are essential for the precise reproduction of the Q sound. To deliver the Q
sound effectively, the e-Q2B produces a full 200 watts of output. The e-Q2B produces wail, yelp, priority,
and manual siren with brake tones, as well as an air horn sound.
The Model e-Q2B-100 is a 100-watt siren amplifier. It incorporates all the features of the standard 200-
watt siren, but is designed to drive a single 100-watt speaker, such as a Federal Signal Model BP100 or a
Model ES100
Siren Speakers
Federal Signal offers speakers for the Model e-Q2B-200 and the Model e-Q2B-100 that meet SAE J1849
and CCR Title 13, Article 22, Class “A” for sound output: the BP200 Series, the BP100 Series, and the
ES100.
The Model BP200-Q 200-watt siren speaker mounts flush within the bumper of your vehicle. It has the
classic, chrome-plated Q grille. This speaker system enables you to clear traffic with the penetrating
sound of the Q and also allows you to maintain the traditional look of the Q siren when using the optional
Q grille. Also available is the BP200-EF compact 200-watt speaker with an “Electric F” grille, which also
mounts flush within the bumper of your vehicle.
The Model BP100 100-watt siren speaker has a compact size that allows it to be mounted on top of or
behind the bumper, or installed beyond the grille of popular emergency vehicles. Available in two finishes,
the BP100 has a black matte finish and the BP100P is highly polished. The Dynamax ES100 is also an
option for increased performance and reliability. The larger diaphragm of the ES100 enables the speaker
to capture lower frequency ranges for a more robust sound.
Summary of Contents for e-Q2B
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