INMP441 I2S Digital MEMS Microphone

£5.00 GBP
The price is for a single piece.
There are 3 pieces in the retail box.
The quantity has to be a multiple of 3.
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Introducing the Whisper Wonder, the Lonely Binary INMP441 Omnidirectional Microphone Module! 

Get ready to capture pristine audio with this high-performance, low-power MEMS microphone. The Whisper Wonder is equipped with a bottom port and boasts an impressive array of features. Its MEMS sensor, signal conditioning, analog-to-digital converter, anti-aliasing filter, power management, and 24-bit I2S interface come together to create an all-in-one solution for your audio needs.

Thanks to the I2S interface, the Whisper Wonder can be easily connected to digital processors like DSPs and microcontrollers without the need for an audio codec. Say goodbye to complex setups and embrace seamless integration into your system. With its high signal-to-noise ratio and excellent near-field performance, the INMP441 is the perfect choice for capturing crystal-clear audio in any application.

Immerse yourself in the true essence of sound with the Whisper Wonder. Its flat wideband frequency response ensures that every detail of your audio is faithfully reproduced. From 60 Hz to 15 kHz, experience a stable and accurate representation of natural sound like never before.

But that's not all! The Whisper Wonder also boasts low power consumption, drawing a mere 1.4 mA of current. Say hello to extended battery life and uninterrupted recording sessions. Additionally, its high PSR (Power Supply Rejection) of -75 dBFS ensures a clean and interference-free audio signal.

Let's not forget the interface, where the magic happens. The SCK pin serves as the serial data clock for the I2S interface, while the WS pin handles the serial data word selection. With the L/R pin, you can effortlessly switch between left and right channels, allowing for versatile audio routing. Simply set it to low for the left channel and high for the right channel. And lastly, the SD pin provides the serial data output of the I2S interface, completing the seamless audio experience.

Whether you're working on an ESP32 project or any other audio-enabled endeavor, the Whisper Wonder is here to elevate your recordings to new heights. Capture every whisper, every nuance, and every sound with precision and clarity. Unleash the power of the Lonely Binary INMP441 Omnidirectional Microphone Module and let your audio shine! 


What’s in the Box

There are 3 pieces in the retail box.
The listing price is for

  • 1 x I2S Digital MEMS Microphone INMP441 Module



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


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