Acoustic Recorders

Biospherical Instruments has expanded its capabilities with the integration of advanced acoustic recorders into our extensive catalog of ROV, AUV, and USV-compatible sensors. With a wide range of system sizes and configurations, we offer flexible solutions that deliver high-quality environmental and acoustic data for scientific, industrial, and military applications in any marine environment.

RESEA - the 4-input recorder 

For long-term and complex acoustic monitoring.

RESEA is a 4-input underwater acoustic recorder designed to enable PAM operators, Marine Mammal Observers (MMO) and Protected Species Observers (PSO) to implement powerful post-processing monitoring (up to 500 kHz bandwidth; over a 100 dB dynamic range).

RESEA is provided with software and is compatible with other open-source software such as PamGuard®. Various hydrophones can be provided along with various options.

RESEA is also available in a transportable case version.

Ready to find out more?

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SYLENCE-LP - the 1-input recorder

For easy and accurate off-the-shelf acoustic studies.

SYLENCE-LP underwater acoustic recorders allow cost-effective and reliable acoustic monitoring with best value for money on the market (256 kHz max bandwidth; dynamic range of over 100 dB).

2 models are available: one 22-cm-high version (one fixed hydrophone, 35 days of non-stop recording) and one 44-cm-high version (one fixed or cabled hydrophone, up to 180 days of non-stop recording).

Ready to find out more?

Contact us for a quote today!

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TRIPOD - Multi-hydrophone structure

To perform trajectory measurement

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Ready to find out more?

Contact us for a quote today!

TRIPOD is a seabed hydrophone structure hosting 4 hydrophones and one RESEA underwater acoustic recorder.

In this regard, it can be used as a simple deployment frame, but also allows for trajectography and sound propagation analysis.

TRIPOD is lightweight, easy to use and can be easily deployed by a single person.

The whole device naturally lands in an upright position on the seabed.

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