Electret Microphone Amplifier MAX9814 with Auto Gain Control

Automatic Gain Control Low Noise
£6.00 GBP
The price is for a single piece.
There are 3 pieces in the retail box.
The quantity has to be a multiple of 3.
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SKU: SOUND-MIC-MAX9814
Categories: Audio Module
Overview

Introducing the Sonic Ear Enhancer, powered by the Lonely Binary MAX9814 Electret Microphone Amplifier IC! 

Bring your project to life with the perfect audio companion - an electret microphone amplifier with automatic gain control (AGC). This fully assembled and tested board features a high-quality electret microphone soldered on, covering a wide frequency range from 20Hz to 20kHz.

What sets this microphone amplifier apart is its built-in AGC. Say goodbye to unpredictable audio levels! The AGC ensures that loud sounds are tamed to prevent distortion and clipping, while soft, distant sounds are amplified for better detection and recording. No more constant adjustments to the amplifier gain - let the Sonic Ear Enhancer do the work for you.

At the core of this amplifier lies the impressive MAX9814 chip. It offers versatile configuration options that can be easily adjusted using the breakout. By jumpering the Gain pin to VCC or ground, you can set the amplification level to 60dB (default), 40dB, or 50dB. Additionally, you have the freedom to modify the Attack/Release ratio, choosing between 1:4000 (default), 1:2000, or 1:500.

The output from this amplifier reaches a maximum of about 2Vpp on a 1.25V DC bias. This makes it compatible with any Analog/Digital converter that supports up to 3.3V input. If you prefer to connect it to a Line Input, simply use a 1-100uF blocking capacitor in series (we find that 100uF delivers the best results).

Unlock the full potential of audio recording and detection with the Sonic Ear Enhancer. Whether you're working on a sound monitoring system, voice recognition project, or anything in between, this microphone amplifier is your go-to solution. Trust in the Lonely Binary MAX9814 Electret Microphone Amplifier IC to bring clarity and precision to your audio experience! 

Documents

What’s in the Box

There are 3 pieces in the retail box.
The listing price is for

  • 1 x Electret Microphone Amplifier MAX9814 with Auto Gain Control

Shipping

FREE SHIPPING

  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.

 

PICK UP
At this time, LONELY BINARY is an online-only business, with our products available through lonelybinary.com. This allows us to keep the cost down for the customer. Orders cannot be picked up. 

 

AUSTRALIAN ORDERS
We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.


INTERNATIONAL ORDERS
Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 

 

 
Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit




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