---
product_id: 586647554
title: "Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421)"
brand: "adafruit"
price: "238 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Adafruit"
url: https://www.desertcart.ro/products/586647554-adafruit-i2s-mems-microphone-breakout-sph0645lm4h-3421
store_origin: RO
region: Romania
---

# 94dB Sensitivity Compact 7.6x5.1x2.5cm 15kHz Frequency Response Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421)

**Brand:** adafruit
**Price:** 238 Lei
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game with the mic pros trust!

## Quick Answers

- **What is this?** Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) by adafruit
- **How much does it cost?** 238 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/586647554-adafruit-i2s-mems-microphone-breakout-sph0645lm4h-3421)

## Best For

- adafruit enthusiasts

## Why This Product

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

## Key Features

- • **Wide Frequency Range:** Captures rich audio from 50Hz up to 15kHz, perfect for detailed voice and environmental sound detection.
- • **Crystal-Clear Digital Audio:** Purely digital output optimized for Cortex M-series & SBCs ensures pristine sound capture without analog noise.
- • **Plug-and-Play Compatibility:** Three digital pins and bottom port design make integration with PCs and microcontrollers effortless.
- • **Compact & Lightweight Design:** At just 5 grams and pocket-sized, it fits seamlessly into any project or device without bulk.
- • **Omnidirectional Sound Pickup:** 360° audio capture guarantees no sound goes unnoticed, ideal for immersive recording setups.

## Overview

The Adafruit I2S MEMS Microphone Breakout SPH0645LM4H is a compact, bottom-ported digital microphone delivering 94dB sensitivity and a 50Hz-15kHz frequency range. Designed for seamless integration with Cortex M-series chips and single-board computers, it offers omnidirectional sound capture in a lightweight 5g form factor, making it the go-to choice for precise, noise-free audio input in professional and DIY projects.

## Description

The heart of any high-performance PC starts with a robust and reliable motherboard. Engineered for power users, gamers, and content creators, our motherboard delivers cutting-edge performance with uncompromising stability.

Review: Excellent, I love these
Review: Gut

## Features

- small, low cost MEMS mic with a range of about 50Hz - 15KHz
- there are three digital pins
- The microphone is a single mono element
- This I2S MEMS microphone is bottom ported
- MEMS mics can detect sound and convert it to voltage

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XNL2GBW |
| Audio Sensitivity | 94 Decibels |
| Best Sellers Rank | #75,004 in Office Products ( See Top 100 in Office Products ) #4,329 in Office Electronics Accessories #12,202 in Portable Audio & Video Accessories |
| Colour | Blue |
| Compatible Devices | Personal Computer |
| Country of Origin | USA |
| Frequency Response | 15 KHz |
| Generic Name | Microcontroller |
| Hardware Platform | PC |
| Impedance | 32 Ohms |
| Importer | Shop The World B112 Virwani Industrial estate Western Express Highway Goregaon east Mumbai 400063 Email care@shoptheworld.in www.shoptheworld.in WhatsApp no +919820168421 |
| Included Components | Microphone |
| Item Dimensions LxWxH | 7.6 x 5.1 x 2.5 Centimeters |
| Item Weight | 5 g |
| Item dimensions L x W x H | 7.6 x 5.1 x 2.5 Centimeters |
| Item model number | 3421 |
| Manufacturer | Adafruit, Adafruit Industries LLC |
| Material | feather |
| Microphone Form Factor | Mini |
| Net Quantity | 1 Count |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Number of Channels | 1 |
| Packer | Shop The World B112 Virwani Industrial estate Western Express Highway Goregaon east Mumbai 400063 Email care@shoptheworld.in www.shoptheworld.in WhatsApp no +919820168421 |
| Polar Pattern | Omnidirectional |
| Power Source | Corded Electric |
| Product Dimensions | 7.62 x 5.08 x 2.54 cm; 5 g |
| Signal-to-Noise Ratio | 15 dB |
| Special Feature | Purely digital with a digital output, optimized for Cortex M-series chips and single-board computers |
| UPC | 717520031291 604776613404 |

## Product Details

- **Brand:** Adafruit
- **Connectivity Technology:** XLR
- **Connector Type:** XLR
- **Model Name:** Adafruit I2S MEMS Microphone Breakout
- **Recommended Uses For Product:** Recording

## Images

![Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) - Image 1](https://m.media-amazon.com/images/I/41JeRMul7AL.jpg)
![Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) - Image 2](https://m.media-amazon.com/images/I/51-qFSeAclL.jpg)
![Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) - Image 3](https://m.media-amazon.com/images/I/51JMuv5JfjL.jpg)
![Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) - Image 4](https://m.media-amazon.com/images/I/611Bn5t945L.jpg)
![Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) - Image 5](https://m.media-amazon.com/images/I/61MyRk0SVCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***. on 23 January 2026*

Excellent, I love these

### ⭐⭐⭐⭐⭐ Review
*by E***Z on 24 October 2025*

Gut

### ⭐⭐⭐⭐⭐ Review
*by A***L on 2 September 2024*

This worked right out of the box. I have this working in Home Assistant via EspHome. Reach out to me if you have questions or need consultation in that application.

## Frequently Bought Together

- Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421)
- Adafruit Mini Metal Speaker w/Wires - 8 ohm 0.5W [ADA1890]
- ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

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**Shop now:** [https://www.desertcart.ro/products/586647554-adafruit-i2s-mems-microphone-breakout-sph0645lm4h-3421](https://www.desertcart.ro/products/586647554-adafruit-i2s-mems-microphone-breakout-sph0645lm4h-3421)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-10*