The amplifier is the most basic device in the audio system. The amplifier is commonly known as the "amplifier". His role is to amplify the weak signal from the sound source or preamplifier and push the speaker to sound. The function of a good sound system amplifier is indispensable.
The power amplifier is abbreviated as power amplifier. It can be said that it is the largest family in all kinds of audio equipment. Its function is mainly to amplify the weaker signal input by the audio source equipment and generate enough current to push the speaker for sound reproduction.
The microphone, scientifically known as a microphone, is an energy conversion device that converts a sound signal into an electric signal, also called a microphone, a microphone, and a microphone.
There are two types of amplifiers: wireless amplifiers and wired amplifiers. For example, teachers use it in class.
Second, the difference <br> <br> include audio amplifiers, speakers (speakers, speakers) ...... and other set of equipment.
Speakers belong to the speaker, connect to the amplifier, and output sound.
Amplifier = amplifier There is no speaker in the amplifier, there is no sound; there is no amplifier in the speaker, the speaker will not sound.
The original audio is very small. To use amplifiers (loudspeakers) to amplify small audio N.. times. The average speaker is relatively large, and the audio source of a plate is very small. If the audio is directly connected to the speaker, the sound is almost inaudible, so the amplifier is used to amplify the audio signal.
Features
1. Less power consumption: The power consumption of an LED with a luminous efficiency of 75lm/w is 80% less than that of an incandescent lamp with the same brightness;
2. Long life: The life of the product is up to 50,000 hours, and it can be used for 7 years when it is continuously lit for 24 hours.
3. Nanosecond response speed makes dynamic control of brightness and color easy: dynamic color change and digital control can be realized
4. Large design space: it can realize the organic integration with the building, achieving the effect of seeing only the light but not the light.
5. Environmental protection: no harmful metal mercury, no infrared and ultraviolet radiation.
6. Color: Different wavelengths produce different colored lights, bright and saturated, no filter is needed, and can be controlled by the three primary colors of red, green and blue to form a variety of different colors, which can achieve various color changes such as full-color gradients
Scope of application
Mainly used in hotels, hotels, squares, bars, parks, playgrounds, public places and all lamps that require energy-saving light sources.
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