---
product_id: 408236224
title: "CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM)"
brand: "centiot"
price: "AR$30323"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/408236224-centiot-electret-microphone-amplifier-board-max9812l-6v-40mm
store_origin: AR
region: Argentina
---

# Direct headphone drive 3V-12V versatile power -30°C to 85°C wide temp CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM)

**Brand:** centiot
**Price:** AR$30323
**Availability:** ✅ In Stock

## Summary

> 🎤 Elevate your audio with smart power and crystal clarity—don’t miss the sound revolution!

## Quick Answers

- **What is this?** CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM) by centiot
- **How much does it cost?** AR$30323 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/408236224-centiot-electret-microphone-amplifier-board-max9812l-6v-40mm)

## Best For

- centiot enthusiasts

## Why This Product

- Trusted centiot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **AGC Control:** Plug-in AGC switch lets you toggle automatic gain control for crystal-clear audio clarity.
- • **Power Flexibility:** Operates seamlessly from 3V to 12V, perfect for mobile and battery-powered setups.
- • **Rugged Reliability:** Built to perform in extreme conditions from -30°C to 85°C, ensuring consistent sound capture.
- • **Compact Compatibility:** Ideal for hearing aids, conference mics, and portable audio devices—upgrade your sound game.
- • **Direct Headphone Output:** Drives standard 32Ω headphones directly—no extra amp needed for everyday use.

## Overview

The CentIoT Electret Microphone Amplifier Board (MAX9812L-6V-40MM) is a versatile audio component designed for professional and portable use. Supporting a wide supply voltage range of 3V to 12V, it features a plug-in AGC switch for automatic gain control, direct output to 32Ω headphones, and operates reliably in temperatures from -30°C to 85°C. Perfect for hearing aids, conference microphones, and mobile audio devices, it delivers clear, amplified sound with minimal setup.

## Description

CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM)

## Features

- Supply voltage: 3V-12V(3V-4.2V connect VCC,4.3V-12V connect 2pin socket)
- AGC switch:Plug in supporting the shorting cap AGC function OFF,no AGC insert shorting cap open.
- Operating Temperature:-30 to 85 ℃

## Images

![CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM) - Image 1](https://m.media-amazon.com/images/I/51GJUM84KeL.jpg)
![CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM) - Image 2](https://m.media-amazon.com/images/I/51-yM1D5RCL.jpg)
![CentIoT - Electret Microphone Amplifier Board (MAX9812L-6V-40MM) - Image 3](https://m.media-amazon.com/images/I/51K2hz74JjL.jpg)

---

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**Shop now:** [https://www.desertcart.com.ar/products/408236224-centiot-electret-microphone-amplifier-board-max9812l-6v-40mm](https://www.desertcart.com.ar/products/408236224-centiot-electret-microphone-amplifier-board-max9812l-6v-40mm)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-04-25*