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55inch ten point touch digital white board with pen

55inch ten point touch digital white board with pen

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

Through our years of hard work, our Sewing machine controller, Servo driver controller, One stop circuit card assembly has been well-received and favored by our customers. We build a high quality team and brand, create high quality work and life, and provide high quality products and services. Our company has strong technical strength, has a first-class technical team with senior professional knowledge and R & D experience, and has advanced modern equipment and production lines. We believe that to achieve any goal, we must have a hard-working and simple attitude towards life and work as the basis, in order to truly implement.

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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 one of the most experienced 55inch ten point touch digital white board with pen manufacturers in China, we will continue to research, develop and improve our products to bring more convenience and benefits to our valued customers. We rationalize the allocation of environmental management resources and implement the principle of pollution prevention in the development and production of our products. Our management principles include: people-oriented, unity and cooperation, motivation and principles, fairness and openness, consideration of the whole, technology and management leadership, customer service, target and plan management, and high efficiency principles.

Hot Tags: audio control board, China, factory, customized, professional, lcd driver module, fire alarm control system, IOT control board, fridge pcb board, elevator pcb board, one stop printed circuit board assembly services

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