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Adafruit Electret Microphone Amplifier - MAX9814 with Auto Gain Control [ADA1713]

Adafruit Electret Microphone Amplifier - MAX9814 with Auto Gain Control [ADA1713]

Q: How do you connect this to an arduino uno? Which pins go to which on the arduino board.

A lot of it depends on how you've written your program, because that's where you specify certain pins. If I remember correctly, you will want to specify that the "out" (on the microphone) goes to one of the Analog-to-Digital (ADC) pins--on an UNO, that's A0 through A5 (you'll specify that in your code). You'll want either the 5V or 3V3 on the Uno to connect to VCC on the mic; GND on the mic to one of the ground pins on the Uno. The "gain" pin on the mic depends on how much gain you want; if you don't connect it, you'll get 60dB of gain; connect it to GND on the mic for 50dB, and connect it to VCC on the mic for 40dB. I recommend you check the results of each to see which one works best for your needs--high gain will pick up every little noise & detail in music, whereas less gain will make the differences between loud & quiet sounds more obvious; it's basically equivalent to 'normalization' in music. Finally, the AR pin is for the "Attack/Release" ratio, which defaults to 1/4000; this basically determines how quick the mic is to 'react' to sounds, and the default is the most 'reactive' setting. If you want to make it a less so, connect it to either the VCC pin or GND for different settings; odds are good that you'll be happier with the original. You can get the details by downloading the pdf here: https://learn.adafruit.com/adafruit-agc-electret-microphone-amplifier-max9814/

Q: I want to use it as a p.a. mike. How do i wire it for another amplifier stage?

If your p.a. amp has a mic input, I don't think you will need any more amplification. The AGC has a very wide range.

Q: I need to feed the output into a 1w 8 ohm speaker. Will this work for that ?

You will probably need a 1 watt audio amp to drive the speaker.

Q: Since this mic has auto gain, does that mean it wouldn't be useful for determining sound levels?

You can hard-set the gain by wiring the pin to V++ or ground

4.5/5

Product ID: 19454212

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Details

Recommended Uses For Product
Voice Video
Brand
Adafruit
Model Name
Electret with
Connectivity Technology
XLR
Connector Type
XLR
Special Feature
Automatic Gain

⚡60 dB SNR

🎤30 dB Sensitivity

📏Mini Form Factor

Frequently Bought Together

Adafruit Electret Microphone Amplifier - MAX9814 with Auto Gain Control [ADA1713]

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DZS Elec 15PCS 35mm Piezo Disc Transducer Contact Microphone Trigger Sound Sensor with 4 Inches Wires for Acoustic Instrument

Description

🎧 Elevate Your Sound Game!

📏 COMPACT DESIGN - With dimensions of just 2.36 x 0.59 x 3.94 inches, it’s the perfect space-saving solution for any setup.
🔊 AUTO GAIN CONTROL - Seamlessly adapt to varying audio levels, ensuring your recordings are always on point.
🎶 CRYSTAL CLEAR AUDIO - Experience pristine sound quality with a 30 dB sensitivity that captures every nuance.
🔇 LOW NOISE OPERATION - Enjoy a signal-to-noise ratio of 60 dB, ensuring your audio is clear and free from unwanted noise.
🔌 VERSATILE COMPATIBILITY - Easily integrates with any Analog/Digital converter up to 3.3V, making it a perfect fit for your projects.

The Adafruit Electret Microphone Amplifier - MAX9814 is a compact and efficient audio solution designed for projects requiring high-quality sound capture. With automatic gain control and a mini form factor, it’s perfect for both hobbyists and professionals looking to enhance their audio recording capabilities.

Specifications

Audio Sensitivity	30 dB
Item Weight	0.01 Pounds
Microphone Form Factor	Mini
Item dimensions L x W x H	2.36 x 0.59 x 3.94 inches
Power Source	Corded Electric
Signal-to-Noise Ratio	60 dB
Number of Channels	1
Noise Level	60 dB
Manufacturer	Adafruit
UPC	748347526912 711978442593
Item model number	FBA_ADA1713
Item Weight	0.16 ounces
Product Dimensions	2.36 x 0.59 x 3.94 inches
Item Dimensions LxWxH	2.36 x 0.59 x 3.94 inches
ASIN	B00SLYAI9K
Is Discontinued By Manufacturer	No
Date First Available	March 12, 2015

Have a Question? See What Others Asked

How do you connect this to an arduino uno? Which pins go to which on the arduino board.

I want to use it as a p.a. mike. How do i wire it for another amplifier stage?

I need to feed the output into a 1w 8 ohm speaker. Will this work for that ?

Since this mic has auto gain, does that mean it wouldn't be useful for determining sound levels?

Common Questions

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