Compact And Efficient Police Sirens With Multiple Characteristics

By Author: Sunil Punjabi
Total Articles: 2565
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Advanced police sirens are loaded with several features that make them efficient and effective. It is interesting to note that the size of the sirens has gone down over the years, while the number of features packed into them has increased. The output of sirens has greatly gone up thanks to the use of 100 watt speakers. Moreover, siren systems have up to 6 push buttons which can be independently controlled. Each of these buttons can offer an additional 20 amps that can enhance the output by a few more notches. A handheld controller is usually provided in order to operate the push buttons independently and with ease. Some sirens can also be operated in a hands-free mode especially when one is driving the emergency vehicle. In fact, to enhance the operational ease siren systems come with a manual override button which can be used to turn on the default siren tone instead of the one selected.

police sirens are also very versatile with more than a dozen programmable tones including wail, yelp, air horn, hi-low and piercer. Alternate on and off, momentary on, few second delay are all possible thanks to programmable ...
... push buttons which can be operated with great ease. Some siren systems have LED backlit panels that have arrows and indicators that show the status of the siren along with other information such as the tone, the mode, etc. There are special LED indicators that also show if there are issues with the voltage or current in the circuit.

police sirens usually have a rugged construction to ensure that they are durable in spite of heavy duty usage. They provide high performance without their functionality being affected by the usage or weather conditions. In fact, good quality sirens can be mounted anywhere on a vehicle with their housing ensuring that they are moisture and vibration resistant. The vibration resistance of the sirens is partially enhanced by their compact size and lower weight of the amplifiers. Waterproof rubber membranes are provided to protect the sirens further.

One of the interesting features of police sirens is the number of operational modes available. There are several warning tones like yelp, wail, hi-lo and super hi-lo. Apart from warning tones, the siren systems can also be operated in public address as well as radio rebroadcast modes. Manual modes are also available for playing default tones overriding the ones selected. Another advanced feature available in modern sirens is the ability to customize a particular tone with the help of a microchip sound control accessory. This changes the tones which are originally designed as per industry standards, to provide something that can be more uniquely used for emergency purposes. There are also controls for volume of the tone and noise cancellation. Plug-in microphone is also provided with the kit. The operational ease is enhanced further with features such as quick disconnect which can disable the sirens in an instant, especially in silent areas like parks or hospitals. Some sirens use quick disconnect plugs, pre-wired for the same purpose.

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