Passive Acoustic Monitoring

Collecting and processing underwater sounds is what we do best. Our passive acoustic product line includes broadband recorders, processors, and real time digital hydrophones and noise mitigation products that deliver exceptional quality at a fair price.

Acoustic Monitoring product familyTR-ORCA Product Family

The TR-ORCA is available in full size and mini versions, both supporting five synchronously sampled hydrophone inputs, configurable sampling rates and internal solid state storage.

The TR-ORCA is easy to use, deploy and configure, and is flexible enough for almost any underwater acoustic measurement scenario. Applications include underwater noise characterization, marine mammal studies, underwater detection and localizations.

Real-Time Wireless Underwater Acoustics

Stream raw or processed broadband acoustic data from up to five hydrophones back to your vessel or to shore to monitor underwater sounds in real time with the TR-FLOAT.


All of our passive acoustic monitoring products are sold as OEM kits so users can enable broadband passive acoustic data collection and processing into AUVs, Gliders and Floats.