Chipset Brand | NVIDIA |
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Adafruit 1063 Electret Microphone Amplifier - MAX4466 with Adjustable Gain
Brand | Adafruit |
Graphics Processor Manufacturer | NVIDIA |
Graphics RAM Type | GDDR5 |
Recommended Uses For Product | Audio Production |
Included Components | 'Small trimmer pot' |
About this item
- Fully tested and assembled breakout board
- All headers included (to solder yourself)
- Ideal for low-noise performance
- 20-20KHz electrets microphone
- Maxim MX4466 op-amp for amplification
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Top Brand: Adafruit
Product Description
Adafruit Electret Microphone Amplifier with Adjustable Gain is fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, the Maxim MAX4466 is used, an op-amp specifically designed for this delicate task. The amplifier has excellent power supply noise rejection, so this amplifier sounds really good and isn't nearly as noisy or scratchy as other mic amplifiers breakouts are tried. Small trimmer pot on the back to adjust gain (25x to 125x). This breakout is best used for projects such as voice changers, audio recording/sampling and audio-reactive projects that use FFT. On the back, a small trimmer pot is also included to adjust the gain. You can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6 inches away) which is good for attaching to something that expects 'line level' input without clipping or up to about 1Vpp, ideal for reading from a microcontroller ADC. The output is rail-to-rail so if the sounds gets loud, the output can go up to 5Vpp. Using it is simple: connect GND to ground, VCC to 2.4-5VDC. For the best performance, use the "quietest" supply available (on an Arduino, this would be the 3.3V supply). The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled). Connect the OUT pin directly to the microcontroller ADC pin. It is RoHS compliant.
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Technical Details
Brand | Adafruit |
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Series | 1063 |
Item model number | 1063 |
Item Weight | 0.64 ounces |
Product Dimensions | 1.88 x 0.63 x 0.38 inches |
Item Dimensions LxWxH | 1.88 x 0.63 x 0.38 inches |
Manufacturer | Adafruit |
ASIN | B00K9M6S1O |
Is Discontinued By Manufacturer | No |
Date First Available | May 20, 2014 |
Additional Information
Customer Reviews |
4.3 out of 5 stars |
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Best Sellers Rank | #197,869 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #20 in Audio Amplifiers #933 in Audio Component Amplifiers #1,086 in Computer Graphics Cards |
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Adafruit 1063 Electret Microphone Amplifier - MAX4466 with Adjustable Gain
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers praise the microphone for its functionality and quality. They say it works well and is suitable for home security applications. However, opinions differ on the sound quality.
AI-generated from the text of customer reviews
Customers like the product's functionality. They say it works well, produces high-quality sound, and is suitable for Arduino audio interfacing.
"...Use multiple at different position if you have to. Works well and does as described. Will update if I have issues." Read more
"Works exactly as advertised. Running off the logic supply is handy. Recommended." Read more
"Works great, although I don't think the Adafruit tutorial is correct: They scale the measured voltage by 3.3 (since they're using 3.3V source), but..." Read more
"It seems to work OK, but the gain control is so tiny, it is difficult to adjust and quite fragile...." Read more
Customers like the microphone quality. They say it's a great mic for home security applications and allows you to add the functionality of a microphone to a project without having to buy one.
"...very satisfied with this product as it allows you to add the functionality of a microphone to a project without having to develop complex circuits..." Read more
"I use this with a custom 3.3V regulator. This is a great mic but ran a little hot for my setup so I installed a 22KOhm resistor in series with output..." Read more
"Nice little microphone I'll use for playing around on a breadboard...." Read more
"...Might be just the right mic for home security applications. Not too sensitive. Although has a screw to turn for more gain...." Read more
Customers are satisfied with the product's quality. They find it durable and well-made, with a few minor issues.
"...Very nice and durable...." Read more
"Great little board with just one minor problems..." Read more
"Nice product but beware their tutorial..." Read more
"Perfect!..." Read more
Customers have mixed reviews about the sound quality of the product. Some say it works well for low-end sound detection requirements and Arduino audio interfacing, while others mention it works best when close to the audio source and stops sending sound to their monitor.
"...The bottom line for me is that this device will work best for sound detection requirements at the low end (25Hz - 500 Hz) but the output rolls off..." Read more
"...Well, it was working great for a while. Then just stopped sending sound to my monitor. Gain adjustment doesn't seem to make a difference...." Read more
"Board quality is otherwise fine and worked for Arduino audio interfacing ok..." Read more
"...5x larger in magnitude than the signal itself, making this useless for sensing audio...." Read more
Top reviews from the United States
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- Reviewed in the United States on July 5, 2016I used this product to create an bass responsive LED clock. Now my beats create amazing light shows!
This product from Adafruit comes with easy to find/use information on how to use it and implement it into an arduino project; this makes getting started with it easy. It can be used to identify amplitudes of different frequencies with an FFT library in arduino (Though the higher frequencies seem to display a lot of noise from my tests.) you can also simply use the device to record audio 'loudness' and can be used as a form of human presence sensor as people tend to make a lot of noise. In fact I purchased a second one for a project to identify human presence where I will use it along with a list of other sensors to identify if someone is in the room. Overall I am very satisfied with this product as it allows you to add the functionality of a microphone to a project without having to develop complex circuits or prepare software for it.
- Reviewed in the United States on January 7, 2017In reality this is more likely about 4 1/2 stars instead of 5.
Would have been nice to have the pins pre-soldered but was not a big issue. A small hassle to find example code to test this out but I would recommend going to the actual Adafruit site and running their supplied code.
Yes, this microphone is not that sensitive. It is smaller than a quarter and didn't claim to be that sensitive. HOWEVER, for me at least, this is a very simple fix. For example, if you are trying to decipher something like a clap then do a little testing, and change the threshold corresponding to where you want to sense the clap from. All it takes is changing the threshold that "detects" the clap. Granted the distance from the microphone can make the clap register a very different value but that is not the microphone's fault. Use multiple at different position if you have to.
Works well and does as described. Will update if I have issues.
- Reviewed in the United States on December 23, 2023Works exactly as advertised. Running off the logic supply is handy. Recommended.
- Reviewed in the United States on August 7, 2018I use these in a lot of my speech recognition projects. Normally, I use these as breakouts for the MAX4466 preamp chip, discard the mic that comes with it, and put in a first order directional element (cardioid or dipole).
The only problem is that there is zero protection on the audio output line. If it comes into contact with the bias supply, the MAX4466 is gone instantly, so do not wire these to a TRS connector, you'll blow the board the first time you plug it in. They're fine with mini XLRs.
- Reviewed in the United States on August 13, 2016I use this with a custom 3.3V regulator. This is a great mic but ran a little hot for my setup so I installed a 22KOhm resistor in series with output. Very nice and durable. I have used 13 in different mic setups and have only had one go bad due to shorting in my power board due to sloppy tech work which was no fault of the boards. Highly recommend this unit.
- Reviewed in the United States on December 1, 2015Nice little microphone I'll use for playing around on a breadboard. The pins that come with the microphone are straight as shown in the unassembled picture of the product. Not sure why they provide these instead of the 90 deg pins shown on the assembled unit. I wanted 90 degree pins on mine so installed some from my stock. That's one thing I really prefer about buying components that you finish yourself. You can configure them to suit your own needs.
- Reviewed in the United States on September 13, 2016Works great, although I don't think the Adafruit tutorial is correct: They scale the measured voltage by 3.3 (since they're using 3.3V source), but I think they also need to use analogRef and connect a wire from 3.3V to AREF.
Turning the little trimpot fully CCW gives the most sensitivity, which seemed fine to me.
- Reviewed in the United States on June 12, 2016The Adafruit Electret Microphone Amplifier - MAX4466 with Adjustable Gain is worth what you pay for it: very little.
I bought two. One was DOA and the other had a frozen potentiometer with solder in it.
It worked at the level it was frozen at, but trying to get it unstuck damaged it and now it doesn't work either.
Top reviews from other countries
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JsReviewed in Belgium on November 28, 2023
5.0 out of 5 stars Bon produit
Nickel, grâce a une transformée de Fourrier j’arrive à avoir ma fréquence dominante. Bon matériel
- KyleReviewed in Canada on October 20, 2020
4.0 out of 5 stars Good
Good but took 2 months to ship
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ChristophReviewed in Germany on January 7, 2021
4.0 out of 5 stars Nicht das gelbe vom Ei
1 von 5 funktioniert.
Leider nicht empfehlenswert
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je-diReviewed in France on May 19, 2019
5.0 out of 5 stars Très bien
Très bien , manque une toute petite notice pour l'utiliser sans hésitation
- Amazon CustomerReviewed in the United Kingdom on April 28, 2016
5.0 out of 5 stars Five Stars
Works well