DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino
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DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino
The MAX9814 is a high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias, perfect for a range of applications from Bluetooth headsets to professional recording devices.
DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino
Sản phẩm #: 131658467

DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino

Sản phẩm #: 131658467

VND 442001

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The MAX9814 is a high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias, perfect for a range of applications from Bluetooth headsets to professional recording devices.
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What Stands Out

Auto Gain Control
The MAX9814 module intelligently adjusts its gain levels automatically, ensuring optimal audio capture in varying environments, which eliminates the need for manual adjustments.
Easy Integration
Designed for seamless compatibility with Arduino, this microphone amplifier module simplifies the process of adding high-quality audio input to projects, making it accessible for hobbyists and developers alike.
Compact Design
The small form factor of the DollaTek MAX9814 module allows for easy incorporation into space-constrained projects, ensuring that users can enhance their devices without sacrificing design or functionality.

Thông tin chi tiết sản phẩm

Shop DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino online at a best price in Vietnam. B07DJWQDQF

Who Should Buy?

Suitable For
  • Arduino Hobbyists

    Great for hobbyists creating audio projects, allowing easy integration and enhanced sound capture with automatic gain control.

  • Sound Projects

    Ideal for sound-sensitive projects like audio recording systems or voice-activated devices, offering clear audio amplification.

  • DIY Electronics

    Perfect for DIY enthusiasts who want to experiment with microphone applications, providing versatile use in various projects.

Not Suitable For
  • Professional Audio Work

    Not suitable for professional studio use where high fidelity and precision are required beyond basic amplification.

MÔ TẢ SẢN PHẨM

DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino

Có thắc mắc? Trò chuyện với chúng tôi

Câu hỏi và trả lời của khách hàng

  • câu hỏi: What devices can the MAX9814 be used with?

    trả lời: It can be used with Bluetooth headsets, digital still cameras, video cameras, entertainment systems, IP phones, and portable recorders.
  • câu hỏi: What is the supply voltage range for the MAX9814?

    trả lời: The supply voltage range is from 2.7V to 5.5V.
  • câu hỏi: How compact is the MAX9814 module?

    trả lời: The module comes in a compact size of 26mm x 14mm x 8mm and weighs only 2.0g.

DollaTek Preamps Editorial Review

The DollaTek MAX9814 Electret Microphone Amplifier Module has garnered a mix of reviews that highlight its functionality, performance, and several caveats. Users appreciate its capability to provide high gain amplification, making it especially useful for applications where clear audio output is critical. One reviewer noted its effectiveness in their setup, achieving a notable 40dB increase in amplification, which contributes to its reputation as a solid choice for audio projects. While many users find the performance of the amplifier satisfying, especially for speech applications, some have expressed concerns regarding its auto gain control (AGC) feature. There are mentions of significant noise output when the AGC activates, particularly when dealing with weak sound signals. This could be a limiting factor for users working in quieter environments, as the undesirable noise can overshadow the desired audio. The size and design of the module are praised, including its integration capabilities with various microcontrollers like Arduino and Raspberry Pi. However, some customers have pointed out a lack of technical documentation online. They believe that having a comprehensive guide explaining all functions, especially the AGC, would enhance the user experience significantly. The absence of vital components, such as an output capacitor, has also been noted, leading users to take additional steps in their setups. Despite these drawbacks, the overall sentiment leans positively toward the DollaTek MAX9814, particularly for those who appreciate the potential of DIY audio projects. **

Customer Reviews & Ratings

1 điểm của khách hàng
  • 5 sao
    100%
  • 4 sao
    0%
  • 3 sao
    0%
  • 2 sao
    0%
  • 1 sao
    0%

Đánh giá sản phẩm này

Chia sẻ suy nghĩ của bạn với các khách hàng khác

ưu

  • High gain amplification (up to 40dB)
  • Clear sound output
  • Compact design suitable for integration into various projects
  • Good compatibility with platforms like Arduino and Raspberry Pi
  • Excellent price for the performance offered

Nhược điểm

  • Significant noise when the auto gain control activates, particularly with weak signals

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VND 442001

Đặt hàng ngay bây giờ và nhận hàng vào khoảng Sunday, Tháng Tám 23

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Các tính năng và lợi ích

  • High-quality microphone amplifier with automatic gain control (AGC).
  • Three selectable gain settings (40dB, 50dB, 60dB).
  • Low input noise density and low total harmonic distortion (0.04%).
  • Programmable attack time and release ratio for fine-tuning.
  • Compact 14-pin TDFN package, ideal for space-limited projects.
  • Extended operating temperature range from -40°C to +85°C.

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