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Jdy-64 Lossless Bluetooth-Compatible BLE 4.2 Audio Module HiFi High Fidelity Speaker Earphone Power Amplifier Board for Car

Jdy-64 Lossless Bluetooth-Compatible BLE 4.2 Audio Module HiFi High Fidelity Speaker Earphone Power Amplifier Board for Car

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

With high-end technical personnel and high-quality team, we can provide customers with perfect and high-quality servo motor driver board, ems circuit board, PCB smt assembly and after-sales service in a timely manner. At present, we regard human resources as the first resource to achieve sustainable development of the company. We adhere to the development path of self-reliance and independent innovation, and accelerate the realization of management informationization, production automation and product intelligence. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development. We share information and resources with our customers to create a win-win situation and do our best to create higher value for our 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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After ten years of development, the company has formed a relatively rapid development foundation and a complete development system, and formed a strategic pattern with Jdy-64 Lossless Bluetooth-Compatible BLE 4.2 Audio Module HiFi High Fidelity Speaker Earphone Power Amplifier Board for Car development as the main line, multi-directional extension of the industrial chain, and gradually marching into industries closely related to the industry and actively encouraged by the state. The company attaches great importance to the social benefits of the company to ensure safe production. Our company has a complete enterprise management system and a high-quality workforce, strong technical force, production process equipment, and complete quality inspection methods.

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