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wireless screen dongle android tablet 75

wireless screen dongle android tablet 75" white board office supply for conference room

Tecoo is an electronics manufacturing service provider offering turnkey PCB assembly services. We manufacture high-quality audio control boards with high fidelity, low noise and beautiful appearance. Support OEM and customized service.

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Product Introduction

Since the establishment of our company, our people-oriented corporate culture has attracted a large number of professionals to join us, and we have successfully formed a strong professional design and development team in the electronic assembly companies, deep fryer electric board, universal washing machine control board industry. We hope to stimulate the creativity of all employees and enhance the development momentum of our company through policy guidance, environment optimization and competition mechanism. We are committed to building the company into a technology intensive enterprise with outstanding advantages and leading industry. Our company adheres to the tenet of professional expertise and goodness, following the concept of modern enterprise management. Welcome domestic and foreign merchants to visit and negotiate. Our production capacity can meet the needs of domestic and foreign customers, our company always adhere to the principle of production following the market to meet the needs of different customers.

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Advantages of audio control board


1. The directivity is very good.

2, the sound attenuation is small. With traditional speakers, when you get too close, you will find the sound is loud, and when you are a little farther away, you will feel that the sound is much smaller.

3. The fidelity of the sound is high. Generally, the traditional horn is in the shape of a sound cone. When it vibrates and emits sound, it tends to concentrate the sound in the throat, compress it, and then spread it out. The sound people hear is the sound that has been compressed and deformed. .

4. The shape is ultra-thin and does not take up space. Due to the special structure of the flat-panel speakers, the formed speakers can be placed in any position, unlike traditional speakers, the effect of hearing is also very different due to the different placement positions.

Technical indicators


Its technical indicators mainly include six items: frequency response, signal-to-noise ratio, dynamic range, distortion, transient response, stereo separation, and stereo balance.

1. Frequency response: The so-called frequency response refers to the frequency range of the audio equipment and the relationship between the amplitude of the sound wave and the frequency.

2. Signal-to-noise ratio: The so-called signal-to-noise ratio refers to the ratio of the playback sound of the audio system to the new noise generated by the entire system. The noise mainly includes thermal noise, humming noise, mechanical noise and so on.

3. Dynamic range: Dynamic range refers to the logarithmic value of the ratio of the maximum undistorted output power of the audio system to the system noise output power when it is static, in decibels (dB).

4. Distortion: Distortion means that after the audio system replays the audio signal, some parts of the original audio signal (waveform, frequency, etc.) have changed.

5. Stereo balance: Stereo balance indicates the difference between the gain of the left and right channels in the stereo playback system. If the imbalance is too large, the sound image positioning of the reproduced stereo will be offset.

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Our wireless screen dongle android tablet 75" white board office supply for conference room has high scientific and technological content, superior quality and reasonable price, and has great potential for market development. We always firmly believe that innovation is the way to achieve success, integrity is the foundation of a hundred years of business, we wholeheartedly provide you with reliable quality products and satisfactory service, welcome the new and old customers from all walks of life to patronize and guide! We adhere to the unique development path, promote the rapid development of the company, strive to build an international enterprise, and provide customers with products and services.

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