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Handback erase office supply interactive whiteboard smart board

Handback erase office supply interactive whiteboard 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 will adhere to the spirit of'service and hard work'. Based on the business principle of'integrity and innovation', we are committed to providing ems contract manufacturer, through hole assembly, air humidifier driver board and services to meet the needs of different users and applications. Based on creating economic value, our company is committed to creating sustainable value for society, creating wealth for shareholders and developing together with our employees. We insist on being down-to-earth, thinking independently, concentrating with heart, and knowing what we are doing. The company has always been aiming to win the market with quality and strictly follow the quality management system for production. Our core values are: continuous innovation, endless learning, and sharing value.

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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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We continue to converge high-caliber talents and promote the research and development of high-tech Handback erase office supply interactive whiteboard smart board. We continue to innovate technologies, products, solutions and businesses around the needs of our customers. The company upholds the concept of initiative, goal, struggle, sharing, and openness, creating a relaxed and positive atmosphere, and sincerely invites people who have dreams, passion, daring to fight, especially those with entrepreneurial willingness, to join.

Hot Tags: audio control board, China, factory, customized, professional, assembled printed circuit boards, Air purifier controller, range hood controller, ems pcba, universal pcb board washing machine, circuit board assembly services

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