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Item #:
131658467
DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino
Item #:
131658467
ETB 4998
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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.
Product Details
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
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Arduino Hobbyists
Great for hobbyists creating audio projects, allowing easy integration and enhanced sound capture with automatic gain control.
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Sound Projects
Ideal for sound-sensitive projects like audio recording systems or voice-activated devices, offering clear audio amplification.
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DIY Electronics
Perfect for DIY enthusiasts who want to experiment with microphone applications, providing versatile use in various projects.
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Professional Audio Work
Not suitable for professional studio use where high fidelity and precision are required beyond basic amplification.
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Large Scale Events
Inadequate for large venues or events needing high output power and coverage, as it is designed for smaller applications.
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Complex Installations
May not fit complicated audio setups needing extensive features, as it focuses on simplicity and basic functionality.
Product Description
DollaTek MAX9814 Electret MIC Microphone Amplifier Module Auto Gain Control for Arduino
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What devices can the MAX9814 be used with?
Answer: It can be used with Bluetooth headsets, digital still cameras, video cameras, entertainment systems, IP phones, and portable recorders. -
Question:
What is the supply voltage range for the MAX9814?
Answer: The supply voltage range is from 2.7V to 5.5V. -
Question:
How compact is the MAX9814 module?
Answer: 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. **
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Pros
- 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
Cons
- Significant noise when the auto gain control activates, particularly with weak signals
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ETB 4998
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- 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.