Police Pa Speaker

Power of the Police Pa Speaker must match the power of the Siren. Such as a 100w siren with a 100w speaker, or a 200w siren with two 100w speakers

Things To Note Before Buying A Car Or Truck PA System

The first principle of buying PA system alarm is the quality of the product.

Product quality does not mean product functions. Users can learn about product functions before purchasing, but for quality, we often need to test it after long-term use. For the vast majority of users, the PA system alarm products are still relatively unfamiliar, so how can we ensure the purchase of reliable quality products? Externally, we can make preliminary judgments from the following three aspects:

1.The legality of the product. Whether the product has been approved by the national public security department and issued a production license, whether it has passed the national 3C compulsory certification, etc.

It should be noted that the 3C mark is not a quality mark, but just a basic safety certification. Some of its indicators represent the safety and quality of the product, but it does not mean that the product performance is also excellent.

2.Whether the product has manufacturer information. High-quality products must have advanced and mature production testing technology and equipment, so as to ensure product stability and reliability. At present,Branded products have encountered such problems. It is conceivable that once we encounter the bombardment of inferior products, how we should be.

At present, many police pa speaker products on the market do not have information about the manufacturer, such as the place of production, factory name, factory address, contact phone number, etc. The quality of such products is often difficult to ensure.

3.Quality assurance clauses. Product quality assurance clauses reflect the strength and quality of the manufacturer to a certain extent, such as the promise of return and exchange, and the length of the warranty period. Generally, the more guarantees, the more reliable the product quality. Just imagine, if a manufacturer dared to provide an unconditional return guarantee, would you still worry about its product quality?

The second principle of purchasing police pa speaker alarm is the practicality of the product.

The selection of police pa speaker alarm should take into account multiple factors such as building area, structural characteristics, property value, and surrounding environment, but there are several general reference criteria: wired mode has the advantages of reliable communication, strong anti-interference ability, and low component cost. It is suitable for newly built buildings that can reserve connecting wires in the walls; but its mobility is poor and it is inconvenient to adapt to the changing requirements of users and products; the wireless method can prevent the connecting wires between the probe and the host from affecting the interior decoration, and is flexible, The advantages of simplicity, but there are also disadvantages such as susceptibility to various external factors and relatively high device costs.

When purchasing PA system alarm products, you should choose them correctly according to the user’s specific conditions of use. Each type of PA system alarm equipment has its own characteristics and conditions of use. For example, for factories, electronic fences or cross-beams are generally used. For the office area of ​​an enterprise, it is sufficient to install PA system alarm products in defense areas at important locations. When installing PA system alarm products, enterprise users can neither blindly pursue multi-functions or high prices, nor blindly pursue low prices. The most important thing is to use them together.

The third principle of purchasing PA system alarm is perfect after-sales service.

Although PA system alarm products have become popular, they are not as easy to use and use as other household appliances. They often need to be install and debug by professionals to avoid more or less problems during use. Some of these problems are the quality of the product itself, and some may be problems with the installation and use. Not every user can solve these problems by himself, and many of them require professionals to solve them. However, the current PA system alarm industry’s after-sales service is seriously lagging behind, and there is no professional maintenance service organization on the market. Therefore, when purchasing products, users must pay attention to whether the product provider can provide supporting after-sales service, otherwise it is difficult to guarantee the long-term effective use of the purchased PA system alarm products.