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touch DVI cable input interactive whiteboard smart board 75

touch DVI cable input interactive whiteboard smart board 75"

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'll make every effort and hard work to be superb and excellent, and speed up our steps for standing inside the rank of intercontinental top-grade and high-tech enterprises for mini fridge circuit board, coffee maker control board, lcd display driver board. Our company has rich experience in products, and the quality meets the export standards. For our company, one of the most competitive advantages is a team of people who are loyal to the company and capable of self-development.

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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 company pursues the corporate tenet of 'we help customers develop, customers help us survive', and will continue to provide domestic and foreign customers with touch DVI cable input interactive whiteboard smart board 75" of various specifications with excellent quality and competitive prices. High quality, low price is our company's permanent business philosophy, 'win-win' is our company's basic principle. We establish the concept of "people above all" and regard employees who agree with our core values and are rich in creativity as our most valuable assets, and we are willing to share our achievements with them to create brilliance.

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