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AUSOMS-mini [AQM-002]Automatic Underwater Sound Monitoring System

Underwater Sound Recording can be simple !

AUSOMS-mini body

AUSOMS-mini is an compact automatic underwater sound recording device. Consisting of a recording device, power supply and hydrophones at both ends, all in a waterproof polyacetal case, this device is capable of stand-alone recording. It can be attached to large marine animals or be deployed at habitats and is able to operate continuously for approx. 9 days with four AA batteries. Long duration recording is possible with adjustable recording intervals. Supports Linear PCM and compressed recording. Equipped with 4GB of internal flash memory storage and can record additional data to a micro SD card (up to 32GB).

AUSOMS-mini use case1

Left : Tatenawa type                                        Right : Seabed installation type

Belt type

Photos provided by Teikyo Uni. Of Sci. Dr.Mori Kyoichi

AUSOMS-mini use case2

AUSOMS attached to the Amazonian manatee.
Sounding and feeding sound can be recorded.

At National Amazon Laboratory of Brazil.
Photographer : Mr. Tomonari Akamatsu

AUSOMS-mini use case 3

AUSOMS-mini attached to the humpback whale .

Iceland Northern Fusabiku off the coast Sukyaru Bay of Fundy .
Photographer : Mr. Tomonari Akamatsu


Operation Range
100Hz-23kHz (depending on recording settings)
Sound Source Level Range
approx. 70-160dB re 1Pa (depending on recording settings)
Recording Format
Linear PCM, MP3, WMA
Recording Media
4GB of Internal Flash Memory + Micro SD card up to 32GB
Max. Recording Time
6hrs for Linear PCM (depending on format)
Max. Operating Time
approx. 9 days (with four AA batteries at WMA HQ mode)
Recording Timer
Capable of three scheduled recording in one day
with adjustable recording time and mode
Size and material
Length <206mm, Diameter 53mm, Polyacetal Case
Weight in air
Weight in water
approx. -17g (Positive Buoyancy)
Max. Depth


Catalog (9.1MB)

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4-1-1 Minatojima Nakamachi Chuo-ku Kobe Hyogo 650-0046 Japan

AquaSound Inc.

TEL +81-(0)78-599-6842
FAX +81-(0)78-599-6843