---
product_id: 386208445
title: "I2S MEMS Microphone Breakout - SPH0645LM4H (3421)"
brand: "adafruit"
price: "HK$260"
currency: HKD
in_stock: true
category: "Adafruit"
url: https://www.desertcart.hk/products/386208445-i2s-mems-microphone-breakout-sph0645lm4h-3421
store_origin: HK
region: Hong Kong
---

# Ultra-low 5g lightweight design 50Hz-15kHz frequency range Purely digital I2S output I2S MEMS Microphone Breakout - SPH0645LM4H (3421)

**Brand:** adafruit
**Price:** HK$260
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game with the future of digital audio capture!

## Quick Answers

- **What is this?** I2S MEMS Microphone Breakout - SPH0645LM4H (3421) by adafruit
- **How much does it cost?** HK$260 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/386208445-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

- • **Compact Powerhouse:** Tiny 7.6 x 5.1 x 2.5 cm footprint and featherlight 5g weight fit effortlessly into any project.
- • **Seamless I2S Integration:** Plug-and-play digital output optimized for Cortex M-series and single-board computers—no analog hassle.
- • **Unidirectional Precision:** Bottom-ported MEMS mic with a unidirectional polar pattern ensures focused, noise-reduced audio input.
- • **Budget-Friendly Innovation:** High-quality MEMS technology at a fraction of the cost—upgrade your audio game without breaking the bank.
- • **Crystal-Clear Digital Audio:** Experience pristine sound capture with a 50Hz to 15kHz frequency range, perfect for professional-grade recordings.

## Overview

The Adafruit I2S MEMS Microphone Breakout (SPH0645LM4H) is a compact, ultra-lightweight digital microphone designed for seamless integration with single-board computers and Cortex M-series chips. Featuring a frequency response from 50Hz to 15kHz and a purely digital I2S output, it delivers clear, unidirectional audio capture ideal for voice and video recording applications—all at an accessible price point.

## Description

Buy Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H (3421) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06XNL2GBW |
| Antenna Location | Voice Recording, Video Recording, Video Conference |
| Audible Noise | 15 Decibels |
| Audio Sensitivity | 94 Decibels |
| Best Sellers Rank | #48,610 in Computers ( See Top 100 in Computers ) #618 in Single-Board Computers |
| Brand | Adafruit |
| Built-In Media | Microphone |
| Color | Blue |
| Compatible Devices | Personal Computer |
| Connectivity Technology | I2S |
| Connector Type | XLR |
| Customer Reviews | 4.5 out of 5 stars 58 Reviews |
| Enclosure Material | Plastic, Resin |
| Frequency Range | 50 hz 15 khz |
| Frequency Response | 15 KHz |
| Hardware Platform | PC |
| Impedance | 16 Ohms |
| Item Dimensions | 7.6 x 5.1 x 2.5 centimeters |
| Item Weight | 5 Grams |
| Manufacturer | Adafruit |
| Maximum Frequency | 15 KHz |
| Microphone Form Factor | Mini |
| Model Name | Adafruit I2S MEMS Microphone Breakout |
| Model Number | 3421 |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Number of Channels | 1 |
| Polar Pattern | Unidirectional |
| Power Source | Corded Electric |
| 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:** I2S
- **Connector type:** XLR
- **Model name:** Adafruit I2S MEMS Microphone Breakout
- **Recommended uses for product:** Voice Recording, Video Recording, Video Conference

## Images

![I2S MEMS Microphone Breakout - SPH0645LM4H (3421) - Image 1](https://m.media-amazon.com/images/I/611Bn5t945L.jpg)

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**Shop now:** [https://www.desertcart.hk/products/386208445-i2s-mems-microphone-breakout-sph0645lm4h-3421](https://www.desertcart.hk/products/386208445-i2s-mems-microphone-breakout-sph0645lm4h-3421)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-02*