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65 Inch Infrared Multi Points Touch LCD Touch Screen Smart Board

65 Inch Infrared Multi Points Touch LCD Touch Screen Smart Board

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

We are an enterprise specialized in manufacturing refrigerator motherboard, contract electronics, brushless motor driver board integrating development, scientific research, manufacturing, technical services and marketing. We cultivate the staff's spirit of hard work and hope to promote the healthy, stable and sustainable development of the enterprise. We think that the more important thing of corporate culture is that it also has a long-term significance for economic development. We will continue to carry out the strategic idea of walking steadily and creating development, and firmly follow the road of modern national enterprise development. We are pursuing the policy of "enterprising and realistic, rigorous and united", and constantly explore and innovate, with technology as the core, depending on the quality of life.

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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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As product differentiation of our 65 Inch Infrared Multi Points Touch LCD Touch Screen Smart Board becomes increasingly difficult, we are beginning to recognize the importance of brands and their value. We always believe that only the talents suitable for the development of the enterprise and who can make contribution to the enterprise are the talents that the enterprise really needs. We actively introduce advanced technologies and optimize and enhance them according to the actual needs of the market.

Hot Tags: audio control board, China, factory, customized, professional, variable frequency drive board, electronic circuit assembly, dc motor control board, coffee maker control board, contract assembly companies, humidifier parts

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