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AudioMoth v1.2.0 (Round 14)

AudioMoth v1.2.0 (Round 14)

Single-unit price: $59.99 + shipping

Campaign scheduled end date: Wed, 19 May 2021 11:43:00 PDT

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Backers: 122

Target icon campaign show

Target: 500

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Funded: 1759

Product Details


AudioMoth v1.2.0 (Round 14)

Brand / Manufacturer


Manufacturer Part #


Product Description

AudioMoth is a low-cost, full-spectrum acoustic logger, based on the Gecko processor range from Silicon Labs. Just like its namesake the moth, AudioMoth can listen at audible frequencies, well into ultrasonic frequencies. It is capable of recording uncompressed audio to microSD card at rates from 8,000 to 384,000 samples per second.



  • EFM32 Gecko processor
  • Capable of recording at sample rates up to 384kHz
  • Records uncompressed WAV files to microSD card
  • Powered by 3 x AA batteries
  • Analog MEMS microphone
  • Analog pre-amplifier with adjustable gain
  • Measures just 58 x 48 x 15 mm
  • Configurable USB interface
  • Onboard real-time clock keeps track of time in UTC
  • Exposed header for 3.5mm jack mic from version 1.2.0 onwards


Find all instructions, guides, and downloads on Open Acoustic Devices Website

AudioMoth in the News


  • Wall Street Journal - Better Data, Cheaper Tech Promise to Unlock Nature's Secrets
    • Article by Jackie Snow on how conservationists hope newly-launched open source tools will lend more insight into endangered species and the effects of climate change.
  • Journal of Open Hardware - Open hardware provides a better chance for scientific reproducibility
    • Article by Andrew Hill and Alasdair Davies.


  • BBC iPlayer - Inside the Bat Cave
    • BBC documentary showing AudioMoth being used to discover the secret world of one of the most endangered and least understood animals on earth – bats.
  • The Guardian - New sensor offers a window into the secret lives of Britain's rarest bats
    • Article by Phoebe Weston on how AudioMoth was used to identify 1.7 million bat calls.


  • BBC - Endangered bats: The manicure helping to save a species
    • Article by Helen Briggs with picture showing AudioMoth
  • WightLink - Wightlink helps to plot the journey of one of the Isle of Wight’s most special seasonal visitors
    • Wight Link press release by Karen Woods where Adrain Bicker describes using AudioMoth to monitor bat migration
  • Hackerfarm - Tech 4 Good : AudioMoth
    • Article in the Tech 4 Good series where Hackerfarm reviews and discusses technology designed for humanitarian, development, or environmental applications
  • Silicon Labs - Open Acoustic Devices takes low power to new heights for wildlife conservation
    • Blog by Lance Looper describing how the Silicon Labs processor lowers the power for acoustic monitoring


  • Chinadialogue - Five technologies to save wildlife from traffickers
    • Article by Catherine Early introducing technology built in collaborations between conservationists and tech developers.
  • RSEC blog - Optimization of sensor deployment for acoustic detection and localization in terrestrial environments
    • Article and video introducing our recent paper on sensor optimization
  • Medium Article - Acoustic monitoring made affordable with AudioMoth
    • Article by Holly Baines discussing how AudioMoth is manufactured and supported at a low cost
  • Sparkfun Blog - Scaling Open-Source Conservation Technology
    • Article by Megan Arnold describing how AudioMoth has been scaled to enable global conservation  projects
  • Mongabay Latam Article - Acoustic monitoring: a new system to fight against hunting and illegal logging
    • Article by Yvette Sierra Praeli describing how acoustic monitoring can be used to prevent poaching
  • Mongabay Article - ‘AudioMoth’ device aims to deliver low-cost, power-efficient monitoring of remote landscapes


  • WWF Conservation Technology - Acoustic Monitoring for Conservation and Ecological research
    • PDF report by WWF describing the guidelines of using acoustic monitoring, featuring a case study using AudioMoth
  • BES Press Release - Listening in: Acoustic monitoring devices detect illegal hunting and logging
    • Press release by Sabrina Weiss describing Evelyn Piña Covarrubia's presentation at the ‘Ecology Across Borders’ conference in Ghent
  • Oxford Sparks Podcast - Where have all the cicadas gone?
    • Podcast asking Prof Alex Rogers, Peter Prince and Andrew Hill: Where have all the cicadas gone?
  • New Scientist Article - Hanging on: In search of the bat that returned from the dead
    • Article by Ollie Wearn using AudioMoth to monitor the Cuban greater funnel-eared bat
  • Medium Article - Listening to the mountain: Using audio recorders to monitor forest birds in Kenya
    • Article by Ciira Maina using early prototypes of AudioMoth to monitor the forest birds in Kenya
  • New Scientist Article - Drones listen in on bats to reveal their in-flight secrets
    • Article by Chris Baraniuk using AudioMoth to monitor bats by drone
  • Journal of Animal Ecology Press - New technologies for listening to bats
    • Article by Simon Hoggart using AudioMoth to monitor bats in Madeira
  • BBC - The search for Britain's only native species of cicada
    • Article by Chris Baraniuk introducing an early version of AudioMoth to monitor the New Forest cicada


Important Notes

  • International Duties and Taxes are not included, you may be required to pay these before delivery.
  • Lead time before shipment is 86 days from the date that the campaign closes (Closes May 20th + 86 Days = Shipping by July 15th 2021)

Why GroupGets?

This Group Buy was created by Open Acoustic Devices in response to requests from a large number of individuals all wishing to individually acquire an AudioMoth device.

External Links

Manufacturer product page

Purchase Information

Unit Deliverable

One AudioMoth 1.2.0 device (batteries, SD card, USB cable and case not included)

Unit Price


Campaign Part #



Campaign active, scheduled end date: Wed, 19 May 2021 11:43:00 PDT

Factory Lead Time

86 Days

Options and Add-Ons

64GB Micro SD Card


One of the following models of micro-sd cards. These have been validated by Open Acoustic Devices to deliver the highest quality recordings and best compatibility with AudioMoth 1.2.0 (card model determined by available supply).

SanDisk Extreme® microSDHC™ UHS-I w/adapter- 64GB

USB A to Micro B Charge & Sync Cable


300.0 mm (0.98') Micro USB Cable

10 x 1 Mil Transparent Clear Zipper Self Seal Zip Lock Polyethylene Plastic Bags


3.5mm Socket


WARNING: When the 3.5mm socket is attached, AudioMoth is no longer compatible with the Official AudioMoth IPX7 case. This part will need to be hand soldered onto the board, it will not come attached

The Official AudioMoth IPX7 Waterproof Case (Green)



  • Waterproof to IPX7 (1 meter submersion for 1 hour with no leakage)
  • Comes with a Velcro strap for easy deployment on 3-6 cm diameter branches/poles.
  • Rain-hood to prevent water-pooling around microphone 
  • Easy to use clasp for simple battery and MicroSD card changes
  • Compatible with AudioMoth 1.0.0, 1.1.0, and 1.2.0 (when jack socket not fitted)
  • The case requires 40 minutes for the air pressure to equalize after the clasp is sealed.

Campaign discussion forums are intended for questions about the product such as specifications or to share ideas about applications. The campaign initiator or GroupGets may also send out important one-to-many updates on this channel. This is not the place for individual technical support inquiries. For help or questions about an order, please log a ticket here: Support

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    I have just created the GroupGet for AudioMoth v1.2.0 (Round 14) !

    Post last edited: 27 days ago

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