Megaphones Voice Penetration Is Stronger
Megaphones as the name suggests is to enlarge the sound, spread the farther meaning, relative to the speaker for the Megaphones voice penetration stronger. According to the use of methods: can be divided into wired amplifiers and wireless Megaphones; according to the use of use: can be divided into teaching class loudspeakers, tour guide class Megaphones, entertainment class loudspeakers.
Megaphones according to its size, use and use can be divided into a variety of types, each with its advantages. Portable Megaphones due to the size of the shape, speaker limited, the general power is only 3 - 8W. And the wireless microphone and the microphone cable sizes of the different volumes, different purposes, for teachers smaller volume, the use of guides, hanging at the waist, both hands to play more freely, which are typically power 3W-8W The Large size for outdoor activities, summer camps, extracurricular lectures and other places where traffic is high, the power is 35W --- 95W. Lithium-ion Megaphones are based on the type of battery used. It solves the traditional dry battery pollution of the environment, it is mainly used mobile phone lithium technology to the loudspeaker power supply.
Choose a method
See if the performance description is detailed
Many loudspeaker products are described as small, lightweight and other properties, in the audio circle, we all know a word "good sound must be heavier, do not mean good sound." The better the performance, the selection is even more harsh. Many aspects to protect the quality of the product, the choice of raw materials may be heavier. Portable loudspeakers are wired, mostly waist-mounted and strap-style. Loudspeaker speakers and pickup microphone (microphone) closer, easy to produce whistle feedback (natural phenomenon). In this regard experienced manufacturers design circuit will focus on consideration, both sound enough, and not easy to produce feedback phenomenon.
Second look at the appearance of the product is good
A good loudspeaker products will take full account of the use of consumers, as far as possible to ensure product quality under the premise of the consumer to meet the needs of the appearance. R & D products are often contradictory, to measure the pros and cons, the real brand manufacturers will first take the quality.
Three to see the user's experience
Good loudspeaker products can withstand the use of the side to use friends, listen to their feelings and ideas, I believe that the consumer has a high reference value. A hard to develop products manufacturers are extremely hope to get word of mouth publicity, that is against the effort of the affirmation and appreciation.
Four to see whether the service is in place
Learn more about after-sales service measures and systems, the more clearly described, the more secure. Of course there are many dealers to attract consumers, exaggerated. One year warranty for two years, two years warranty for three years. Really have the ability to repair the product only manufacturers, only the manufacturers of the commitment is more authentic and credible.