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Description
Tanotis New GY-MAX4466 Electret Microphone Amplifier with Adjustable Gain for ArduinoDescription: Add an ear to your project with this well designed electret microphone amplifier. This fully assembled and tested board comes with a 20 20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX4466, 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 amp breakouts
Description:
Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX4466, 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 amp breakouts we've tried!
This breakout is best used for projects such as voice changers, audio recording/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot 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" 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). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.
The output pin is not designed to drive speakers or anything but the smallest in-ear headphones - you'll need an audio amplifier (such as 3.7W stereo amp) if you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.
For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies.
Package Included:
Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX4466, 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 amp breakouts we've tried!
This breakout is best used for projects such as voice changers, audio recording/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot 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" 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). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.
The output pin is not designed to drive speakers or anything but the smallest in-ear headphones - you'll need an audio amplifier (such as 3.7W stereo amp) if you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.
For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies.
Package Included:
1 X Electret Microphone Amplifier MAX4466 withAdjustable Gain for Arduino
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
A good set of products for bathing a newborn.
Scent: Lavender Rosemary - Standard Size
The new mom I gave this to really liked them.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Yes!
Scent: Fragrance-Free - Standard Size
Clean baby products that work well! So far we’ve loved everything Tubby Todd! It’s on the more expensive side, but totally worth it when considering products used on babies.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
A splurge but worth it!
Scent: Fragrance-Free - Standard Size
So nice for newborn skin! I bought it for my daughters baby shower and she loves it!
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Reviewed in the United States on May 21, 2026
★★★★★ 4
Fantastic natural ingredients, but the diaper cream falls short on actual rashes.
Scent: Lavender Rosemary - Standard Size
I purchased the Tubby Todd Baby Skin Care Bundle because I really value that it uses great all-natural ingredients and is free of harsh chemicals. For the most part, I’ve been very happy with the quality.
What I loved:
The Ingredients: It feels great using products that are clean and safe for baby skin.
Hair + Body Wash: The soap/shampoo combo is gentle and works well.
All Over Ointment: This is a staple; it’s excellent for dry skin and general moisturizing.
The downside:
I had to dock one star specifically for the Diaper Paste. While I wanted to love it, it just didn't help when my baby had an actual diaper rash. It might be fine for prevention, but it wasn't effective for treatment.
I eventually switched to A+D Diaper Rash Cream, and it completely cured the rashes in no time.
Verdict:
I would still recommend this bundle for the shampoo and the All Over Ointment, but I suggest keeping a tube of A+D on hand for when you need heavy-duty rash relief.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
WILL USE NOTHING ELSE
Scent: Fragrance-Free - Standard Size
Cannot recommend these products enough. My girls have sensitive skin and eczema. Dry patches, gone after a day with the everyday ointment. Eczema break out, gone the next day after applying twice. Diaper cream is the only cream I use when the diaper rash is bad and nothing else works. I try to use sparingly as it is more on the pricier side, so use only when I see a rash starting and not everyday use, but easily could if not worried about the price point. The soap is the only soap we have used. Last a long time, I have twin girls and we just finished our first container of soap that lasted us 5 months.
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Reviewed in the United States on December 31, 2025