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- LED Beacons
They adopt imported high bright led tube, which is the popular cold light source in warning light. They also adopt the environmentally friendly cold light source, rendering LED beacon the features of not getting hot, a high photoelectric conversion rate, a strong sense of direction, a long duration of use with longevity in effect up to 50,000 hours. LED beacons should be operated at the voltage of 12V and they are equipped with a capacitance specialized for LED beacons ...
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- LED Lightbar
The extremely thin LED lightbar has a high brightness and a good capability of maintenance. Its flash modes can be edited and chosen by the users. It is applicable to all kinds of high grade police cars and vehicles such as ambulances and fire engines. LED lightbar adopts the imported LED with a high brightness which is the most popular light source used on police cars at present. It also adopts the environmentally friendly cold light source, rendering LED ...
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- Halogen Beacons
Description of Halogen Beacons
1. The halogen beacons offer you a sound warning function. (a better effect in misty and rainy days in particular)
2. They can be used as warning when the vehicles are stopped on the expressway for a break or for an adjustment. They can warn the following cars of circumventing the cars in front so as to reduce accidents. ...
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- Halogen Lightbar
The halogen lightbars cover is made of polyester material, which has a high hardness and a strong resistance against impact. After the cover is coated for protection, the cover’s bright color will not fade away. The cover boasts a superior tightness, with a protection index over lp65, which is an advanced level all over the world. It is also equipped with a unique system. Our halogen Lightbar boasts a novel, beautiful and secure design and it perfectly combines ...
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- Siren Speaker
These specially designed, weatherproof, electronic siren speakers are recognized as the quality and performance standard for mobile emergency audible warning systems. When coupled with a siren or electronic air horn, they provide dependable, clear, penetrating voice and tone signals that quickly gain attention. The siren speaker line offers a wide range of models for all vehicle applications. ...
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- Horn Loudspeaker
The horn loudspeaker is derived from gramophones. In 1928, Wente and Thuras produced their high-efficiency receivers of horn loudspeaker. Horn loudspeaker is made on the basis of diaphragm pushing the air at the bottom in that acoustic resistance is big enough to increase the efficiency. However, it is not easy to replay the low frequency because both the horn’s shape and length affect musical quality. Nowadays, highly efficient horns are mainly applied ...
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- Driver Unit
Mounted on a horn the sound quality will decrease, the horn has not much bass response. For a good bass response the horn must have huge diameter and length. With the driver unit mounted on the horn, a good loudspeaker reception is possible with crystal receivers.
Connected to my receiver set the living room is filled with background music from a local station. (120 kW station at 17km distance) ...
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- Handheld Megaphone
Features
1. A super long time for use (lithium battery), 5-6 times that of the ordinary handheld megaphones.
2. An excellent effect of amplifying the sound, a power of 15W, 5-6 times that of the ordinary loudspeakers.
3. Lithium batter which can be used for 5-6 years is adopted. The ordinary loudspeakers use common rechargeable batteries that are replaced once a year....
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- Column Speaker
Generally speaking, column speakers are installed one by one vertically into 4-10 cone speakers. Such an arrangement causes a strong vertical directivity and a more obvious directivity for high frequencies. Columns are especially suitable for buildings with a high echo, like churches, large workshops and the like.
Two to six cone angle speakers are installed inside one column speaker. This structure boasts a strong directivity, especially that of ...